Best 17 Drill Diameters

 

1. Happybuy

Happybuy 8 Inch/205MM Diamond Core Drilling Machine 3980W Diamond Core Drill Rig with Stand and Drill Bits,Wet Dry Core Drill Rig for Diamond Concrete Drilling Boring (Drill Bit Diameter: 4.25″/108MM)

Thoughtful security design we also provide overload protection system and an upgraded cooling system They are designed for avoiding burnin and prolonging the service lifespan of the drilling press machine Ergonomic handle stable base it features an ergonomic handle and large base support for effortless drilling or getting oblique holes The aluminum guide rail makes the drill rigs movement more smooth and accurate Durable construction as the machine will work upside down so water would unavoidable flow on to the drill machine In this case our drilling rig has a rustproof steel forged output shaft and waterproof copper water inlet for a longlasting water supply

Wide application the wet diamond core drilling rig can be widely used in drilling reinforced concrete red brick marble and other materials It is perfect for installing air conditioners pipes stair railings and repairing highways etc

8 inch max drilling diameter our core drilling machine generates extreme power because of its 3980w copper motor Maximum speed 750rpm Maximum coring diameter 8205 mm More importantly the 425108 mm core bit in the picture is included

 

2. Thincol

Taps, M4 HSS 1/4″ shank Drill & Tap conical drill, M4 x 0.7: total length: 54mm, spiral length: 24mm, drill diameter: 3.3mm, handle: 6.35mm, 1/4 inch tap

Handle 635mm Material highspeed steel hss Size m4 x 07 total length 54mm spiral length 24mm drill diameter 33mm Package include 1 x hexagonal handle compound tap drill bits Suitable for soft metal aluminum iron

 

3. MAX-CRAFT

3Pcs HSS M2 Extra Long Aircraft Extention Drill Bit 3/8 in. Diameter x 12 in. Length Bright Finished

long drill bit dimension 38diameter x 218 flute length x 12overall length surface treatment  the bright finished surface treatment strongthen the hardness of drill bit body  to ensure the long drilling life and better drilling performance  application best used for drilling deep hole in metal highcarbon steel aluminum and alloy steel cast iron stainless steel and titanium  split point angle 135 deg  No center punch is needed the aggrevsive 135 deg Split point quickcutting points are self centering and penetrate quickly with less pressure Will not walk orwander

  material  hssm2 steel is the premium material with high hardness and red hardness to enable long drilling life and fast drilling performance

 

4. VEVOR

VEVOR Ice Drill Auger, 8” Diameter Nylon Ice Auger, 41” Length Ice Auger Bit, Auger Drill w/ 14” Adjustable Extension Rod, Rubber Handle, Drill Adapter, Replaceable Auger Blade for Ice Fishing Red

Highperformance drilling the ice drill augers effective length is 41 inches without the extension rod rotating diameter 8 inches weight 1113 lbs505 kg It is the ideal choice for ice fishing science exploration etc Sharp sturdy blades the blades are made of premium steel sharp and sturdy cut through ice like a knife through the butter In addition extra two blades are included for replacement Finally the blades come with a blade guard which can prevent the blades from damage Nylon material the auger bit adopts nylon material the main shaft aluminum which is lightweight durable and rustproof Meanwhile it has good tensile impact resistance and flexibility saving your labor and time

Professional accessories unlike other ice augers our ice drill features a rubber handle and a drill fixator for more comfortable use and operation stability Besides two extra blades an ice ladle a mini wrench and a set of screws are all included Extension rod adapter if you want to extend the length of the ice auger you can detach the adapter and top plate from the shaft then attach the extension rod to shaft finally fix it with a special bolt Adjustable length 415 8 104 cm113 cm122 cm The ice auger bit is equipped with an adapter and a top plate The adapter allows you to connect the auger with various kinds of the drill The top plate can prevent you from the hurt of splashing ice

 

5. DRILLFORCE

DRILLFORCE 1/8 inch, HSS Twist Drill Bits,5% Cobalt Jobber Length Twist Drill Bits,10pcs in Plastic Bag, Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. (1/8)

118 tip twist design increases cutting speed with selfcentering and prevents walking clears chips and particles faster Package size 10 pieces drill bits in a plastic bag diameter 18 inch total length 234 inch working length 158 inch Hardness 5 cobalt drill bits rock wall hardness level hrc 6566 Professional diy use for use on metal wood plastics stainless steel not for use on concrete masonry Perfect match for workshop or service vehicles

Cobalt drill bits classic 5 cobalt m35 high speed steel construction with titanium coating for proven capability and durability

 

6. HFS

HFS (R) Woodworking Diameter Drill Chuck with 2 Morse Taper Mount (5/8IN)

Removes easily with knock out bar Application great for holding drill bits small turnings dowels pen mandrel shafts and much more Tightens with a chuck key for excellent grip Installation this 3jaw chuck will mount into the headstock or tailstock of any lathe that accepts 2mt accessories Packing includes the 58 inch drill chuck 2 morse taper arbor and jaw tightening key

 

7. Yonico

Yonico 43015S 1-Inch Diameter Steel Forstner Drill Bit 3/8-Inch Shank

This steel forstner bit has a 1 cutting diameter and a 38 shank compatible with all standard drill and drill press chucks Drill clean and accurate holes in solid wood plywood and mdf The 38 shank is compatible with all standard drill and drill press chucks Constructed from highspeedsteel for quality and longevity

Hardened steel constructions for increased rigidity

 

8. DT-DIATOOL

DT-DIATOOL 3 Inch Diamond Drill Bits for Tile Granite Marble Stone Brick Diameter 76mm

Minimizing any breakage and safe for operator Having wide application for porcelain tile granite marble stone masonry brick Vacuum brazed technology provides longer working life fast and smooth drilling Diameter 76mm3 total length 75mm diamond height 15mm 5811 connection 1pc 76mm vacuum brazed diamond drill core bits with 5811 thread

 

9. Mungo

Mungo MN Nylon Plug Anchor, 2 inch Length, 3/8 inch Plug and Drill Diameter, Box of 50, Premium Grade Anchor for Drywall, Brick, Concrete and Stone

Load 314 lbsconcrete 179 lbsbrick 44 lbs lightweight concrete Use with drywall concrete brick and stone 40 degree fahrenheit to 212 degree fahrenheit temperature range 2 inch length 38 inch plug and drill diameter 2916 inch drilling depth Appropriate for wood particle board and metric screws Indoor and outdoor applications

 

10. Greenlee

Greenlee 645-001 ¼ Inches x 2-1/2 Inch Pilot Drill used with Sizes 5/8-Inch Diameter Through 2-1/4 Inches Diameter Hole Cutters

Use the same arbor for different size cutting heads Cuts stainless steel quickly and easily Quick change arbor allows you to change cutter heads with a simple push and a turn Replaceable cobaltsteel pilot drill with splitpoint tip to prevent walkingItem dimensions are ¼ inches diameter x 212 inches overall length Flange stop prevents overdrilling

 

11. uxcell

uxcell Parabolic Flute Drill Bit Twist Spiral Extension 5.5mm Drill Diameter 200mm Length, Uncoated HSS(High-Speed Steel) Round Shank

Package content 1 pcs 55mm drill dia 200mm total length highspeed steel parabolic flute drill bit Strength and hardness made of highspeed steel Hsshigh speed steel enables the drill body harder and can keep a longer drilling life Note please keep cool and gentle using the working life of the twist drill bits can be largely prolonged by proper usage Parabolic flute the parabolic flute adopts a wide groove structure to increase the chip flow rate and ensure fast and easy chip removal and rapid penetration

Twisted design with the twisted design it can improve cutting accuracy by centering the tip It can avoid displacement of the drill bit during work and at the same time remove debris and particles faster and easier

 

12. Asieg Tool

SD-3 Tungsten Carbide Burr Rotary File Ball Shape Double Cut for Die Grinder Drill Bits 1/4” Inch Diameter of Shank and 3/8” Inch Diameter of Cutter 15/47” Inch Cutter Length

Shapedouble cut ball shape sd3 size 2 350 total length 14 shank diameter 38 cutter diameter 1547 length of cut Multi purpose widely used for metalwork tool making engineering model engineering wood carving jewellery making welding chamferring casting deburring grinding ball head porting and sculpting Long life made of heattreated solid tungsten carbide yg8 that lasts 8 times working life durability than hss toolsuitable for machining various kinds of metal material including hrc65 hardened steel

Good quality good processing quality high finish Can be processed into a variety of highprecision shape mold cavity Packagingpacked with a transparent plastic tube for safety storage and protection

 

13. uxcell

uxcell High Speed Steel Straight Shank Twist Drill Bit Fully Ground Titanium Coated 7.1mm Drill Diameter 109mm Total Length 60mm Drill Bit Length

Professional and diy use suitable for hardened materials and hard metals such as cast iron hard plastics and also suitable for soft materials When it cannot penetrate try to adjust the rpm Note please keep cool and gentle using the working life of the twist drill bits can be largely prolonged by proper usage Twisted design with a 120 angle point and twist design it can increase the cutting speed through automatic centering avoid displacement during the work process and at the same time remove debris and particles faster and easier The straight shank can be firmly fixed and accurately centered suitable for standard drill chucks and conventional round chucks

Strength and hardness made of highspeed 6542 steel rock wall hardness grade hrc 6366 With titanium coating treatment it is reliable and durable

Package content 1 pcs 71mm drill dia high speed steel straight shank twist drills

 

14. WoodOwl

WoodOwl 00703 Overdrive Wood Boring Bit for Cordless Drills, 7/8-Inch Diameter

Induction hardened steel construction and precision ground cutting edges for durability and accuracy Perfectly concentric for even and easy cutting of accurately sized holes Brad point and unique chamfered leadin edge for smooth starts and fast cuts Clean cutting for finished holes

Designed for cordless drills for extended battery life

 

15. Gray Bunny

Metal Earth Auger/Ground Auger Drill Bit 24″ Long 1.75″ Wide Helix, 8 mm Diameter Non-Slip Hex Shank, Rust-Proof Rapid Planter, Bulb Plant Auger, Umbrella Post Hole Digger

Convenient designed to help you to easily dig to deeper depths Built to penetrate the ground quickly and wellsuited for tough soils Digging becomes an easy task Hexagonal shank shaft offers a secure grip and doesnt spin Graybunny offers premium products for your home and garden while exceeding highest industry standards and offering impeccable customer care If youd like your money at any time within 90 days of purchase just ask Click the add to cart button on the above right to enhance your outdoor living space now Premium quality 24 inches 61 cm long 8 mm diameter hexagonal metal shankshaft with 175 inch 45 cm wide helix for maximum holding power Heavy duty and long lasting even under the toughest conditions

Multipurpose the graybunny earth auger bit is ideal for digging holes in the ground to plant bulbs and tree saplings in your garden Simplifies drilling tasks such as planting umbrellas or posts termite bait stations taking soil samples boring plant holes or erecting fences Also works great for mixing tasks like tilling soil mixing seed with soil and fertilizer and mixing batches of mortar mix or paint Compatible designed for use with the any standard electric or cordless drill with universal chuck jaws Delivers maximum power without any twisting and jerking

 

16. Koopi

Koopi 3-1/2″ BI-Metal Hole Saw with Arbor and Replacement Pilot Drill Bit, 89mm Diameter Hole Cutter for Easily Drilling Wood, Plastic, Thin Metal(3.5 inch)

Dimension diameter35 in 89mm cutting depth 118 in 30mm arbor shank diamater 38 infit all 38 or 12 drills This 3 12 hole saw drill bit is designed for wood plastic soft metal cutting Pakage include 1 x 312 inch hole saw 1 x arbor 1 x replacement pilot drill bit 1 x hex key Nonbinding clean edge design make the 35 hole saw blade cuts smooth and fastMore than thatthe spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole

This 312 inch hole cutter is made of bimetal and high speed steel durable and cuts clear

 

17. Hermes Hardware

Hermes Hardware Diamond Core Drill Bit – Wet Drilling for Concrete, Reinforced Conrete,Brick and Block – 3-1/2″ Diameter / 1-1/4″- 7mm Arbor

Diamond drill bit designed for drilling hard concrete masonry hard brick and other hard materials Arbor 1147mm Drilling method wet Diameter 312 Drilling depth 16 useful

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