24 Best Step Cone Drills in 2020

 

3pcs 4-122032mm HSS Spiral Grooved center drill bit solid carbide mini drill accessories Titanium Step Cone Drill Bit

3/pcs 4-12/20/32mm HSS Spiral Grooved center drill bit solid carbide mini drill accessories Titanium Step Cone Drill Bit

3/pcs 4-12/20/32mm HSS Spiral Grooved center drill bit solid carbide mini drill accessories Titanium Step Cone Drill Bit - 64″4-20mm length approx. 7. 10. 4cm/ 2. 2cm/ 4. Material hss steelfinish titaniumlength4-12mm length approx. 6. 02″the 3 cutters come in the following sizes4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 2mm)4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm)4-12mm (4mm, 6mm, 8mm, 10mm, 2mm) package included1 x hss steel drill bit set 4-12mm1 x hss steel drill bit set 4-20mm1 x hss steel drill bit set 4-32mm. 7cm/ 2. 91″4-32mm length approx.

 

3 PCS HSS Titanium Coated Cone Step Drill Bit Set Metal Hole Cutter Power Tools kit Metric 4-122032mm

3 PCS HSS Titanium Coated Cone Step Drill Bit Set Metal Hole Cutter Power Tools kit, Metric 4-12/20/32mm

3 PCS HSS Titanium Coated Cone Step Drill Bit Set Metal Hole Cutter Power Tools kit, Metric 4-12/20/32mm - Set includes bit #1 (5 steps) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) bit #2 (9 steps) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) bit #3 (15 steps) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm). Easy drilling 3 sided shank prevents slip in drill chuck double cutting blades design enables a faster and smoother cutting x-type openings design to facilitate the removal of cutting waste when drilling. Laser marking makes the size more clear suitable for using to cut holes in a variety of materials including thin iron plate, aluminum, insulation board, wood, plastic, pvc board that the thickness is within 5mm. Material high speed steel combined with a titanium coating more capable, durable and longer service life. According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.

 

3Pcs HSS High Speed Steel Step Cone Drill Titanium Steel Metal Hole Cutter Bit Set with 14 4-12MM4-20MM4-32MM

3Pcs HSS High Speed Steel Step Cone Drill Titanium Steel Metal Hole Cutter Bit Set with 1/4″ 4-12MM/4-20MM/4-32MM

3Pcs HSS High Speed Steel Step Cone Drill Titanium Steel Metal Hole Cutter Bit Set with 1/4″ 4-12MM/4-20MM/4-32MM - 4-12mm / 4-20mm / 4-32mm, handle 1/4″ quick-change hex shank for drilling, drill holes of different sizes. Hss 4241 combined with a titanium coating more capable and durable. Two-flute design for smoother cutting high step design let you feel the stop and never drill bigger in mistake. Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron sheet and many other types of sheet metal (excluding steel or any other harder metal ). Includes3pcs spiral step drill bits1 pouch.

 

rui tai TIAIN Coating Step Drill Bit 312mm HSS M35 Cobalt Step Cone Drill Bit Hole Cutter Home Tool

rui tai TIAIN Coating Step Drill Bit 312mm HSS M35 Cobalt Step Cone Drill Bit Hole Cutter Home Tool

rui tai TIAIN Coating Step Drill Bit 312mm HSS M35 Cobalt Step Cone Drill Bit Hole Cutter Home Tool - We guarantee the style is the same as shown in the picture. Due to the difference between different monitors, the picture may not reflect the actual color of the item., Perfect for high speed drilling., Great chip removal, small resistance, great heat dissipation., Industrial grade tiain coating surface will form al203 which form a hard protective layer when drilling., High precision, no burr when drilling. Package includingpackage includedn1 x step drill bit. Specificationsmaterial hss-co/m35coating tiain coatingshank size 1/4″ hex shankpackage included1 x step drill bit notes1. 2., 118° x bit design, you can drill from any angle, no slipping. Manual measuring, please allow 1 ~ 3mm error,thank you. – perfect to drill 304 stainless steel, wood, iron, aluminum alloy, insulation boards, pvc sheet. Features- can drilling without coolant.

 

Meich High Speed Steel Step Drill Bit British System 3-Piece Set 316-12 14-34 18-12 4241 HSS Triangle Handle Step Cone Drill Hole Reamer Drilling DC12B

Meich High Speed Steel Step Drill Bit, British System 3-Piece Set 3/16-1/2″ 1/4-3/4″ 1/8-1/2″ 4241 HSS Triangle Handle Step Cone Drill Hole Reamer Drilling DC12B

Meich High Speed Steel Step Drill Bit, British System 3-Piece Set 3/16-1/2″ 1/4-3/4″ 1/8-1/2″ 4241 HSS Triangle Handle Step Cone Drill Hole Reamer Drilling DC12B - It can automatically deburr holes while drilling to keep the drill bit clean. High speed steel, suitable for below 25 hardness of the work piece, such as carbon steel, sheet iron, insulation boards, pvc boards, planks, and wood thickness below 5mm. A necessity for family or handyman or professionals, perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal. Good design, triangle shank fits into power tools chuck securely and eliminates slip two-flute design clears chips faster and allows particles to escape easily. Titanium coating, coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.

 

3Pcs High-Speed Steel Step Drill Bit Set LepoHome Cone Titanium Coated Metal Hole Cutter 14 Hex Shank Drive Quick Change 4-12mm4-20mm4-32mm

3Pcs High-Speed Steel Step Drill Bit Set, LepoHome Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm

3Pcs High-Speed Steel Step Drill Bit Set, LepoHome Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm - 【Material】hss combined with a titanium coating more capable and durable. 【package included】 3-piece hss groove step drill bit (4-12/ 4-20/ 4-32mm ) 1/4″ hex shaft drives are suitable for all kinds of for home diy power drills. 【Easy drilling】two-flute design for smoother cutting high step design let you feel the stop and never drill bigger in mistake. 【Set includes】bit #1 (5 steps) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) bit #2 (9 steps) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) bit #3 (15 steps) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm). 【Widely used】perfect step drill bits suitable for drill holes in various material: within 3mm/012 inch (iron plate, copper plate, aluminum plate) within 5mm/02 inch (wood, pvc sheet, insulation boards) not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

 

3 Pcs Large HSS Titanium Nitride Coating Steel Step Cone Drill Bit Set Hole Cutter 4-12  20  32mm  Life Time Warranty

3 Pcs Large HSS Titanium Nitride Coating Steel Step Cone Drill Bit Set Hole Cutter 4-12 / 20 / 32mm [ Life Time Warranty ]

3 Pcs Large HSS Titanium Nitride Coating Steel Step Cone Drill Bit Set Hole Cutter 4-12 / 20 / 32mm [ Life Time Warranty ] - 3 pcs hss drill bit set, quality tool for jobs of all sizes, size 4-12mm, 4-20mm, 4-32mm, free acenix brand cleaning cloth. Usa stock, fast dispatch, 100% money back guarantee , shipped by amazon. Made from high quality hss steel, titanium coated to reduce friction and heat, 3 sided shanks design in order to prevent slippage when in chuck. Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Two flute design provides faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps.

 

Nrthtri smt 4-32mm Spiral Step Cone Drill Bits Multifunction Hole Cutter Tool Kit Possible

Nrthtri smt 4-32mm Spiral Step Cone Drill Bits Multifunction Hole Cutter Tool Kit Possible

Nrthtri smt 4-32mm Spiral Step Cone Drill Bits Multifunction Hole Cutter Tool Kit Possible - Use for home and industrial. Nitriding spiral groove drilling ladder 4-32mm bit. Design for precision drilling different size holes from 4mm up to 32mm in diameter,optimum speed and accuracy. No matter what you have, please contact our after-sales service team as soon as possible. Drop forged, heat treated, high speed steel, fully polish.

 

WElinks 3Pcs Titanium Coated Step Drill Bit Set with Automatic Center Punch HSS Steel Step Cone Drill Bits Set Hole Cutter 14 Hex Shank Quick Change DIY Woodworking Punching Tools 4-122032mm

WElinks 3Pcs Titanium Coated Step Drill Bit Set with Automatic Center Punch, HSS Steel Step Cone Drill Bits Set Hole Cutter, 1/4″ Hex Shank Quick Change DIY Woodworking Punching Tools (4-12/20/32mm)

WElinks 3Pcs Titanium Coated Step Drill Bit Set with Automatic Center Punch, HSS Steel Step Cone Drill Bits Set Hole Cutter, 1/4″ Hex Shank Quick Change DIY Woodworking Punching Tools (4-12/20/32mm) - This is the new hss steel large step cone drill titanium bit set hole cutter, which is made from high quality hss steel, and with the titanium coated to reduce friction and heat. Widely used this can be used for iron plate, aluminum, insulation board, pvc board and so on. 3 sets step drill with 3 sets 5 stage + 9 stage + 15 stage step drill, you can drill different sizes from small holes to big holes. Easy drilling two-fluted design provides faster, smoother cuttingprovided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces. Automatic center punch delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.

 

Lukalook 4-22mm HSS Co Spiral Groove Step Cone Drill Bit Wood Hole Cutter Titanium Coated

Lukalook 4-22mm HSS Co Spiral Groove Step Cone Drill Bit Wood Hole Cutter Titanium Coated

Lukalook 4-22mm HSS Co Spiral Groove Step Cone Drill Bit Wood Hole Cutter Titanium Coated - ♥ Stainless steel open hole can use a hand drill and drill, hand drill can open 1mm board, with bench drill can open 2-3 mm plate. ♥ Handle length 85mm/335″ partial triangular cone length 50mm/197″. ♥ M35 cobalt-containing step drill (hss co) is a high hardness of ladder drills, mainly used in high hardness steel punch, such as stainless steel, hardened steel, meet many customers by common hss4241 step drill work could not be completed, the real opponent of stainless steel m35 step drill holes of the stainless steel sheet. ♥ processing can be the best water injection or cutting fluid, such as cooling, can effectively extend the life of the drill bit.

 

❤Ywoow❤  Multifunctional Twist Drill reaming Steel Drill Hex Titanium Coated Step Cone Drill Bit Hole Metal Wood Cutter 4-22mm HSS Tool

❤Ywoow❤ , Multifunctional Twist Drill reaming Steel Drill Hex Titanium Coated Step Cone Drill Bit Hole Metal Wood Cutter 4-22mm HSS Tool

❤Ywoow❤ , Multifunctional Twist Drill reaming Steel Drill Hex Titanium Coated Step Cone Drill Bit Hole Metal Wood Cutter 4-22mm HSS Tool - Nylon grocery tote or lunch bag big check lime silicone reusable food bag large 1/2 gallon storage and size lunch bag tote bag lunch bag for women lunch box insulated lunch container christmas village fabric printed tablecloth rectangle tablecloth ivory rectangular table cloth for 8 foot table in washable polyester great for buffet table parties holiday dinner wedding more rectangle table cloth water resistance microfiber tablecloth decorative fabric table cover for outdoor and indoor. Him her guys men boys toddlers mom papa brother sound activated party lights with remote control dj lighting rbg disco ball strobe lamp 7 modes stage par light for home room dance parties birthday dj bar xmas wedding show club pub 16 color toilet night light motion activated detection bathroom bowl lights unique & funny birthday gifts idea for dad teen boy kids men women cool fun gadgets gag stocking stuffers leak proof food storage containers with airtight lids standard reusable shopping. Pfessional fine acrylic oil watercolor brushes for face nail body art craft model miniature painting blue origami paper double sided color square easy fold paper for beginner multi purpose scrubber sponges kitchen scrubbing sponges heavy duty non scratch scrubbing cleaner sponges in 2 colors multi surface non metal dish scouring scrubbers for fast cleaning 20 pack multi use heavy duty scrub sponge extra thin magic cleaning sponges eraser sponge for kitchen bathroom furniture leather car. Tablecloth rectangular table cloth in washable polyester great for buffet table parties holiday dinner wedding & more durable goods professional grade chef apron for kitchen bbq and grill with towel loop + tool pockets + quick release buckle all purpose paint brush value pack great with acrylic oil watercolor gouache deluxe art creativity set in wooden case with deluxe art set deluxe art set in wooden case paint brush set 10pcs round pointed tip nylon hair artist detail paintbrushes. Pack non scratch scrub sponge super absorbent multi use cleaning sponges for kitchen dishes bathroom car wash adhesive hooks heavy duty stick on hooks wall hooks hangers for hanging bathroom kitchen home door closet cabinet stainless steel 4 packs 20 pack s shaped hooks stainless steel metal hangers hanging hooks for kitchen work shop bathroom garden adhesive hooks kitchen wall hooks 24 packs heavy duty nail free sticky hangers with stainless hooks reusable utility towel bath ceiling.

 

for DRILLPRO 3pcs 4-122032mm hss Titanium Step Cone Drill bit hex Shank Hole Cutter

for DRILLPRO 3pcs 4-12/20/32mm hss Titanium Step Cone Drill bit hex Shank Hole Cutter

for DRILLPRO 3pcs 4-12/20/32mm hss Titanium Step Cone Drill bit hex Shank Hole Cutter - With the titanium coated to reduce friction and heat. Two flute design provides faster, smoother and cleaner cuts. With nylon storage bag. Suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Perfect for home diy and building / engineering use.

 

HSS4241 Spiral Groove Step Twist Drill 3-32mm High Speed Steel Drill Bit Hex Shank Hole Cutter Drilling Tool Step Cone Drill Titanium Plating Drill for Metal Cutting Drilling4-22mm

HSS4241 Spiral Groove Step Twist Drill, 3-32mm High Speed Steel Drill Bit Hex Shank Hole Cutter Drilling Tool Step Cone Drill Titanium Plating Drill for Metal Cutting Drilling(4-22mm)

HSS4241 Spiral Groove Step Twist Drill, 3-32mm High Speed Steel Drill Bit Hex Shank Hole Cutter Drilling Tool Step Cone Drill Titanium Plating Drill for Metal Cutting Drilling(4-22mm) - Coated titanium coating, reducing friction and heat. Ideal for cutting holes in a variety of materials, including steel, bronze, aluminum and more. Made of high speed steel, hard, wear resistant and durable. The unique stepped structure allows different hole sizes to be opened. Compared to ordinary twist drill, not easy to break.

 

Utoolmart Step Drill Bit Set With Automatic Center Punch Titanium Hex Shank Step Cone Drill Bits For Plastic Wood Aluminum Metal Sheet

Utoolmart Step Drill Bit Set With Automatic Center Punch Titanium Hex Shank Step Cone Drill Bits For Plastic Wood Aluminum Metal Sheet

Utoolmart Step Drill Bit Set With Automatic Center Punch Titanium Hex Shank Step Cone Drill Bits For Plastic Wood Aluminum Metal Sheet - Two-fluted design provides faster, smoother cutting, provided with small pressure and the sets stepped grooves prevent slippage in the chuck. Double spiral groove design for fast chip removal, reducing cutting resistance and avoiding drill slip effectively block the damage caused by metal spatter and help to dissipate heat. Hss classic high speed steel with titanium coating for strength and longevity. Perfect step drill bits for home diy and general building supervision / engineering use ideal used to drill holes in various material like iron plate, aluminum plate, wood, pvc sheet, insulation boards, etc. Material high speed steel.

 

Nrthtri smt 5pcs Step Cone Drill Bit Set High Speed Steel Hole Cutter Possible

Nrthtri smt 5pcs Step Cone Drill Bit Set High Speed Steel Hole Cutter Possible

Nrthtri smt 5pcs Step Cone Drill Bit Set High Speed Steel Hole Cutter Possible - This set replaces 50 individual drill bits the two-flute design gives you faster, smoother cutting 3-sided (tri-flat) shank will not slip in your drill’s chuck cobalt coated for smoother cooler cutting. Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck. Cobalt coated to reduce friction and run cooler. No matter what you have, please contact our after-sales service team as soon as possible. Self starting, no need for a pilot hole.

 

FeiFei66 4-122032mm HSS Spiral Groove Center Solid Carbide Titanium Step Cone Drill Bit S

FeiFei66 4-12/20/32mm HSS Spiral Groove Center Solid Carbide Titanium Step Cone Drill Bit (S)

FeiFei66 4-12/20/32mm HSS Spiral Groove Center Solid Carbide Titanium Step Cone Drill Bit (S) - &#x1f339&#x1f339 material hss steel,finish titanium. &#X1f433&#x1f433if you encounter any problems during the purchase process, please feel free to contact us and we will be able to assist you within 24. &#X1f339&#x1f339 which is made from high quality hss steel, and with the titanium coated to reduce friction and heat. &#X1f339&#x1f339 it is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. &#X1f339&#x1f339 this is the new hss steel large step cone drill titanium bit set hole cutter,.

 

3Pcs High-Speed Steel Spiral Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools Cone Titanium Coated Metal Hole Cutter 14 Hex Shank Drive Quick Change 4-12mm4-20mm4-32mm

3Pcs High-Speed Steel Spiral Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm

3Pcs High-Speed Steel Spiral Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm - 【Easy drilling】two-flute design for smoother cutting high step design let you feel the stop and never drill bigger in mistake. 【Widely used】perfect step drill bits suitable for drill holes in various material: within 3mm/012 inch (iron plate, copper plate, aluminum plate) within 5mm/02 inch (wood, pvc sheet, insulation boards) not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc. 【set includes】bit #1 (5 steps) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) bit #2 (9 steps) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) bit #3 (15 steps) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm). 【Material】hss combined with a titanium coating more capable and durable. 【Package included】 3-piece hss groove step drill bit (4-12/ 4-20/ 4-32mm ) + 1 automatic center punch 1/4″ hex shaft drives are suitable for all kinds of for home diy power drills.

 

Titanium Step Drill Bit Set 5-35mm Step Cone HSS Coated 13 Steps HSS Double Straight Slot Round Shank Flute Cut Holes Tool for Wood Stainless High Speed Steel Sheet Metal Multiple Hole Stepped Up Bits

Titanium Step Drill Bit Set 5-35mm Step Cone HSS Coated 13 Steps HSS Double Straight Slot Round Shank Flute Cut Holes Tool for Wood Stainless High Speed Steel Sheet Metal Multiple Hole Stepped Up Bits

Titanium Step Drill Bit Set 5-35mm Step Cone HSS Coated 13 Steps HSS Double Straight Slot Round Shank Flute Cut Holes Tool for Wood Stainless High Speed Steel Sheet Metal Multiple Hole Stepped Up Bits - &#X1f4cc widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, pvc sheet. &#X1f4cc hole sizes 13steps (5 , 7 , 10 , 12 , 15 , 17 , 20 , 22 , 25 , 27 , 30 , 32 , 35mm). &#X1f4cc with just a small amount of pressure required and automatically burr holes as you drill. &#x1f4cc provides fast, smooth and clean cuts, each step is clearly labeled with the depth diameter. &#X1f4cc ultra durable, high quality hss steel with titanium coated, titanium coated to reduce friction and heat.

 

3Pcs Step Drill Bit Set Nano Blue Coat 4-124-204-32mm HSS Cone High Speed Steel Metal Straight Groove Hole Cutting Drill Bits Kit

3Pcs Step Drill Bit Set, Nano Blue Coat 4-12/4-20/4-32mm HSS Cone High Speed Steel Metal Straight Groove Hole Cutting Drill Bits Kit

3Pcs Step Drill Bit Set, Nano Blue Coat 4-12/4-20/4-32mm HSS Cone High Speed Steel Metal Straight Groove Hole Cutting Drill Bits Kit - Tri-flatted shank fits into power tools chuck securely and eliminates sip. Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc (the board must be smaller in thickness than the height of step drill bits). P6m5 nano blue coating | high speed steel classic high speed steel with nano blue coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. Two-flute design clears chips faster and allows particles to escape easily. Set includes bit #1 (5 steps) 4-6-8-10-12mm bit #2 (9 steps) 4-6-8-10-12-14-16-18-20mm bit #3 (15 steps) 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mm.

 

3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools Cone Titanium Coated Metal Hole Cutter 14 Hex Shank Drive Quick Change 4-12mm4-20mm4-32mm

3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm

3Pcs High-Speed Steel Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools Cone Titanium Coated Metal Hole Cutter 1/4″ Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm - 【Set includes】bit #1 (5 steps) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) bit #2 (9 steps) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) bit #3 (15 steps) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm). 【Material】hss combined with a titanium coating more capable and durable. 【package included】 3-piece hss groove step drill bit (4-12/ 4-20/ 4-32mm ) + 1 automatic center punch 1/4″ hex shaft drives are suitable for all kinds of for home diy power drills. 【Easy drilling】two-flute design for smoother cutting high step design let you feel the stop and never drill bigger in mistake. 【Widely used】perfect step drill bits suitable for drill holes in various material: within 3mm/012 inch (iron plate, copper plate, aluminum plate) within 5mm/02 inch (wood, pvc sheet, insulation boards) not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

 

JZK HSS step cone drill bit for steel sheet up to 3mm thick or plasticmetal sheet for hole size 5mm 7mm 10mm 12mm 15mm 17mm 20mm 22mm 25mm 27mm 30mm 32mm 35mm

JZK HSS step cone drill bit for steel sheet up to 3mm thick or plastic/metal sheet for hole size 5mm 7mm 10mm 12mm 15mm 17mm 20mm 22mm 25mm 27mm 30mm 32mm 35mm

JZK HSS step cone drill bit for steel sheet up to 3mm thick or plastic/metal sheet for hole size 5mm 7mm 10mm 12mm 15mm 17mm 20mm 22mm 25mm 27mm 30mm 32mm 35mm - Size of this hole drill bit length 72mm, width 35mm weight 135g material high speed steel (hss4241) strong and clearly marked with size gauge from 5mm to 35mm. Professional silver colour stepped drill bit for multiple hole sizes 5mm, 7mm,10mm, 12mm,15mm,17mm, 20mm, 22mm, 25mm, 27mm, 30mm, 32mm, 35mm the size gauge is etched into the metal so they will not wear out after use. This hole cutter drill bit is used to drill holes or enlarge holes on many kinds of thin metal/plastic sheets up to 3mm thick, such as steel sheet, aluminum alloy sheet, plastic sheet, wood sheet, brass sheet. Dual slots and size gauge designs provide faster, smoother, and more accurate cuts tips remember to drill a little pilot hole first as it’s way easier for the step bit to get started. This cone step drill bit is perfect for widening the existing holes to meet your need, which is an essential in your tool box.

 

3Pcs Large HSS Steel Step Cone Drill Titanium Bit Hole Cutter316-1214-3418-12

3Pcs Large HSS Steel Step Cone Drill Titanium Bit Hole Cutter(3/16″-1/2″,1/4″-3/4″,1/8″-1/2″)

3Pcs Large HSS Steel Step Cone Drill Titanium Bit Hole Cutter(3/16″-1/2″,1/4″-3/4″,1/8″-1/2″) - Material hss steel. Surface treatment titanium plating. Suitable for using to cut holes in a variety of materials including steel,brass, wood,aluminium copper,fibreglass,plastic,and pvc etc. Set included 3/16″-1/2″,1/4″-3/4″,1/8″-1/2″.

 

dalina Titanium Step Drill Cone Drill Bits High Speed Steel 10 Steps 016-086

dalina Titanium Step Drill Cone Drill Bits, High Speed Steel 10 Steps 0.16-0.86″

dalina Titanium Step Drill Cone Drill Bits, High Speed Steel 10 Steps 0.16-0.86″ - Material high speed steel. The use of tools drill, bench drillwork while water cooling. Deburring, chamfering, elliptic hole enlargement, twist drill. Do not need to use center punch, compared with the ordinary twist. The ladder of its unique structure, a bit can open a variety of specifications of aperture.

 

Denzar Titanium Step Cone Drill Bit4-22MM HSS 4241 Hex Titanium Cone Drill Bit Hole Cutter for Sheet Metal

Denzar Titanium Step Cone Drill Bit,4-22MM HSS 4241 Hex Titanium Cone Drill Bit Hole Cutter for Sheet Metal

Denzar Titanium Step Cone Drill Bit,4-22MM HSS 4241 Hex Titanium Cone Drill Bit Hole Cutter for Sheet Metal - &#X1f495&#x1f495the ladder of its unique structure,a bit can open a variety of specifications of aperture. &#X1f495&#x1f495materialhigh speed steel. &#X1f495&#x1f495shank6mm(dia),25mm(l). &#X1f495&#x1f495size 4-22 mm(6,8,10,12,14,16,18,20, 22)mm. &#x1f495&#x1f495the use of toolsdrill,bench drillwork while water cooling,can effectively extend the service life of drill bit,recommend drilling rate of 250-250 rpm.





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