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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
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 1/2" | 1.5" | 6" | 2.1" | Reduced Round | 1/2" | Standard | Chicago-Latrobe | 2933A73 | 0000000 | ||
| 1 1/2" | 1.5" | 6" | 2.1" | Reduced Round/3-Flat | 1/2" | Standard | Chicago-Latrobe | 29415A91 | 000000 | ||
| 1 1/2" | 1.5" | 6" | 2.1" | Reduced Round | 3/4" | Standard | Dormer Pramet | 8772A19 | 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 1/2" | 1.5" | 15" | 7.12" | Morse Taper | Morse 4 | Standard | Chicago-Latrobe | 2929A469 | 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 1/2" | 1.5" | 6" | 3" | Reduced Round | 3/4" | Split | Republic Drill | 8814A49 | 0000000 | ||
Carbide-Tipped Drill Bits for Masonry and Concrete
Spline Shank for Hammer and Rotary Drilling
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 1/2" | 1.5" | 6" | 4" | 1/2" | ANSI B212.15 | Tru-Cut | 8897A33 | 000000 | ||
Rebar-Cutting Carbide-Tipped Drill Bits
SDS-Plus Shank for Rotary Only Drilling
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SDS-Plus Shank |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Uncoated | |||||||||
Standard Point | |||||||||
| 1 1/2" | 1.5" | 12" | 10" | ANSI B212.15 | Relton | 28655A73 | 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 1/2" | 1.5" | 12" | 10" | 1/2" | ANSI B212.15 | Relton | 28655A38 | 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 1/2" | 1.5" | 6" | 4 1/2" | 1/4" | Standard | Black & Decker | 2894A61 | 00000 | ||
Fast-Cutting Smooth-Finish Drill Bits for Wood
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 1/2" | 1.5" | 15 1/2" | 13" | 1 1/2" | 5/8"-11 | 1 1/4" | Di-Corp | 2872A53 | 0000000 | ||
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 1/2" | 1.5" | 3 1/2" | 3" | 3/8" | Standard | Freud | 8799A42 | 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 1/2" | 1.5" | 3 1/2" | 3" | 13/32" | Standard | Alfa USA | 3216A31 | 000000 | ||
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 1/2" | 1.5" | 8 1/2" | 4 1/2" | Round | 1 1/2" | Carbide Insert | 0.486" | 0.498" | Sandvik Coromant | 2769N33 | 0000000 | 2780N15 | 00000 | ||
| 1 1/2" | 1.5" | 11 1/2" | 7 1/2" | Round | 1 1/2" | Carbide Insert | 0.486" | 0.498" | Sandvik Coromant | 2769N34 | 00000000 | 2780N15 | 0000 | ||
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 1/2" | 1.5" | 6 1/2" | 4" | 7/16" | Screw | Milwaukee | 2897A21 | 000000 | ||
Changeable-Size Carbide-Tipped Core Drill Bits for Masonry and Concrete
SDS-Max Shank for Hammer and Rotary Drilling
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Includes | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Standard Point | ||||||||||
| 1 1/2" | 1.5" | 17" | 12" | ANSI B212.15 | Pilot Drill | Tru-Cut | 3084A914 | 0000000 | ||
Spline Shank for Hammer and Rotary Drilling
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Includes | Mfr. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Standard Point | ||||||||||
| 1 1/2" | 1.5" | 17" | 12" | ANSI B212.15 | Pilot Drill | Tru-Cut | 3084A814 | 0000000 | ||
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 1/2", 1 5/8" | Sandvik Coromant | CoroDrill 880 | 0.486" | 5/32" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N24 | 000000 | 10 | 2776N664 | 0000000 | ||
Outer
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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 1/2", 1 5/8" | Sandvik Coromant | CoroDrill 880 | 0.498" | 5/32" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N25 | 000000 | 10 | 2776N696 | 0000000 | ||
Carbide-Tipped Core Drill Bits for Masonry and Concrete
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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.5" | -0.001" to 0.001" | 1 1/2" | Hot Rolled | Annealed | 50,000 | Precision Ground | Rockwell B95 (Medium) | Rockwell C65 | ASTM A686 | 8890K105 | 000000 | 000000 | 0000000 |







































