Filter by
System of Measurement
Drill Bit Size
For Use On
Decimal Size Equivalent
Drill Bit Point Type
Length Class
Finish
Sold As
Material
Machine Taper Number
Number of Flutes
Cut Type
DFARS Specialty Metals
Export Control Classification Number (ECCN)
Manufacturer
About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
High-Speed Steel Step Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Black Oxide | ||||||||||
| 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", 1 3/8" | 0.25", 0.375", 0.5", 0.625", 0.75", 0.875", 1", 1.125", 1.25", 1.375" | 3 1/8" | Round/3-Flat | 3/8" | Standard | Milwaukee | 5910N15 | 0000000 | ||
| 7/8", 1", 1 1/8", 1 1/4", 1 3/8" | 0.875", 1", 1.125", 1.25", 1.375" | 3" | Round/3-Flat | 3/8" | Standard | Milwaukee | 5910N18 | 000000 | ||
Uncoated | ||||||||||
| 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", 1 3/8" | 0.25", 0.375", 0.5", 0.625", 0.75", 0.875", 1", 1.125", 1.25", 1.375" | 3 1/8" | Hex | 3/8" | Standard | Black & Decker | 8841A25 | 00000 | ||
| 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8" | 0.8125", 0.875", 0.9375", 1", 1.0625", 1.125", 1.1875", 1.25", 1.3125", 1.375" | 2 1/8" | Hex | 3/8" | Standard | Black & Decker | 8841A34 | 000000 | ||
Reduced-Shank High-Speed Steel Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Jobbers' Length | |||||||||||
Black Oxide | |||||||||||
| 1 3/8" | 1.375" | 6" | 2.1" | Reduced Round | 1/2" | Standard | Chicago-Latrobe | 2933A72 | 0000000 | ||
| 1 3/8" | 1.375" | 6" | 2.1" | Reduced Round/3-Flat | 1/2" | Standard | Chicago-Latrobe | 29415A82 | 000000 | ||
| 1 3/8" | 1.375" | 6" | 2.1" | Reduced Round | 3/4" | Standard | Dormer Pramet | 8772A17 | 000000 | ||
High-Speed Steel Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Jobbers' Length | |||||||||||
Black Oxide | |||||||||||
| 1 3/8" | 1.375" | 14 1/2" | 6.81" | Morse Taper | Morse 4 | Standard | Chicago-Latrobe | 2929A465 | 0000000 | ||
Reduced-Shank Cobalt Steel Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Jobbers' Length | |||||||||||
Uncoated | |||||||||||
| 1 3/8" | 1.375" | 6" | 3" | Reduced Round | 3/4" | Split | Republic Drill | 8814A47 | 0000000 | ||
Carbide-Tipped Drill Bits for Masonry and Concrete
SDS-Max Shank for Hammer and Rotary Drilling
![]() | |
SDS-Max Shank |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Uncoated | |||||||||
Multipoint | |||||||||
| 1 3/8" | 1.375" | 22" | 16" | ANSI B212.15 | Relton | 88705A38 | 0000000 | ||
Hex Shank for Hammer and Rotary Drilling
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Specs. Met | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Standard Point | ||||||||||
| 1 3/8" | 1.375" | 6" | 4" | 1/2" | ANSI B212.15 | Tru-Cut | 8897A32 | 000000 | ||
Dust-Collecting Carbide-Tipped Drill Bits for Masonry and Concrete
SDS-Max Shank for Hammer and Rotary Drilling
![]() | |
SDS-Max Shank |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | For Vacuum Hose ID | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Titanium Nitride (TiN) Coated | |||||||||
Standard Point | |||||||||
| 1 3/8" | 1.375" | 35" | 25" | 1 3/8" | Bosch | 2656N6 | 0000000 | ||
Drill Bits for Wood
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Quick-Change Hex Shank | ||||||||||
| 1 3/8" | 1.375" | 6" | 4 1/2" | 1/4" | Standard | Black & Decker | 2894A71 | 00000 | ||
Rebar-Cutting Core Drill Bits for Concrete
Threaded-Hub Shank for Rotary Only Drilling
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Thread Size | Bit ID | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Diamond Coated | |||||||||||
Standard Point | |||||||||||
| 1 3/8" | 1.375" | 15 1/2" | 13" | 1 3/8" | 5/8"-11 | 1 1/8" | Di-Corp | 2872A31 | 0000000 | ||
Rebar-Cutting Carbide-Tipped Drill Bits
SDS-Plus Shank for Rotary Only Drilling
![]() | |
SDS-Plus Shank |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Uncoated | |||||||||
Standard Point | |||||||||
| 1 3/8" | 1.375" | 12" | 10" | ANSI B212.15 | Relton | 28655A72 | 0000000 | ||
Round Shank for Rotary Only Drilling
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Specs. Met | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Standard Point | ||||||||||
| 1 3/8" | 1.375" | 12" | 10" | 1/2" | ANSI B212.15 | Relton | 28655A37 | 0000000 | ||
Fast-Cutting Smooth-Finish Drill Bits for Wood
Carbide-Insert Drill Bits
Drill Bits | Replacement Insert Screws | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shank | For Insert | ||||||||||||||
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Inner Inscribed Circle Dia. | Outer Inscribed Circle Dia. | Mfr. | Each | Each | ||||
| 1 3/8" | 1.375" | 8" | 4.13" | Round | 1 1/2" | Carbide Insert | 0.402" | 0.419" | Sandvik Coromant | 2769N31 | 0000000 | 2780N15 | 00000 | ||
| 1 3/8" | 1.375" | 10 3/4" | 6.88" | Round | 1 1/2" | Carbide Insert | 0.402" | 0.419" | Sandvik Coromant | 2769N32 | 00000000 | 2780N15 | 0000 | ||
Carbide-Tipped Smooth-Finish Drill Bits for Wood
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Carbide Tipped/Uncoated | ||||||||||
Round Shank | ||||||||||
| 1 3/8" | 1.375" | 3 1/2" | 3" | 3/8" | Standard | Freud | 8799A41 | 000000 | ||
Smooth-Finish Drill Bits for Wood
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Round Shank | ||||||||||
| 1 3/8" | 1.375" | 3 1/2" | 3" | 13/32" | Standard | Alfa USA | 3216A29 | 000000 | ||
Chip-Clearing Drill Bits for Wood
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Quick-Change Hex Shank | ||||||||||
| 1 3/8" | 1.375" | 6 1/2" | 4" | 7/16" | Screw | Milwaukee | 2897A19 | 000000 | ||
Inserts for Carbide-Insert Drill Bits
Inner
![]() | ![]() | ![]() |
Individual Carbide Insert Case | Inner Inserts |
Each | Package | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Drill Bit Size | For Mfr. | For Mfr. Series | IC Dia. | Thk. | Hole Dia. | Tip Radius | For Use On | Features | Each | Pkg. Qty. | Pkg. | ||||
Titanium Aluminum Nitride (TiAlN)-Coated Carbide | |||||||||||||||
| 1 1/4", 1 3/8" | Sandvik Coromant | CoroDrill 880 | 0.402" | 1/8" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N22 | 000000 | 10 | 2776N544 | 0000000 | ||
Outer
![]() | ![]() | ![]() |
Individual Carbide Insert Case | Outer Inserts |
Each | Package | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Drill Bit Size | For Mfr. | For Mfr. Series | IC Dia. | Thk. | Hole Dia. | Tip Radius | For Use On | Features | Each | Pkg. Qty. | Pkg. | ||||
Titanium Nitride (TiN)-Coated Carbide | |||||||||||||||
| 1 1/4", 1 3/8" | Sandvik Coromant | CoroDrill 880 | 0.419" | 1/8" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N23 | 000000 | 10 | 2776N545 | 0000000 | ||
Tight-Tolerance Water-Hardening W1 Tool Steel Rods
Dia. | Dia. Tolerance | Drill Bit Size | Fabrication | Heat Treatment | Yield Strength, psi | Mechanical Finish | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1 ft. Long | 3 ft. Long | 6 ft. Long | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.375" | -0.001" to 0.001" | 1 3/8" | Hot Rolled | Annealed | 50,000 | Precision Ground | Rockwell B95 (Medium) | Rockwell C65 | ASTM A686 | 8890K103 | 000000 | 000000 | 0000000 |







































