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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
High-Speed Steel Drill Bits
Jobbers' Length Morse Taper Shank | Extended Length Round Shank | Standard |
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Black Oxide | ||||||||||
| 1/4" | 0.25" | 6 1/8" | 2.5" | Morse Taper | Morse 1 | Standard | 2929A334 | 000000 | ||
Extended Length | ||||||||||
Black Oxide | ||||||||||
| 15/64" | 0.2344" | 6 1/8" | 3.39" | Round | 15/64" | Standard | 29315A132 | 00000 | ||
| 1/4" | 0.25" | 6 1/8" | 3.37" | Round | 1/4" | Standard | 29315A133 | 00000 | ||
| 2 Ga. | 0.221" | 6 1/8" | 3.41" | Round | 0.221" | Standard | 3096A312 | 00000 | ||
| 1 Ga. | 0.228" | 6 1/8" | 3.4" | Round | 0.228" | Standard | 3096A311 | 00000 | ||
| A | 0.234" | 6 1/8" | 3.39" | Round | 0.234" | Standard | 3110A51 | 00000 | ||
| B | 0.238" | 6 1/8" | 3.39" | Round | 0.238" | Standard | 3110A52 | 00000 | ||
| C | 0.242" | 6 1/8" | 3.38" | Round | 0.242" | Standard | 3110A53 | 00000 | ||
| D | 0.246" | 6 1/8" | 3.38" | Round | 0.246" | Standard | 3110A54 | 00000 | ||
| E | 0.25" | 6 1/8" | 3.37" | Round | 1/4" | Standard | 3110A55 | 00000 | ||
| F | 0.257" | 6 1/8" | 3.49" | Round | 0.257" | Standard | 3110A56 | 00000 | ||
Titanium Nitride (TiN) Coated | ||||||||||
| 15/64" | 0.2344" | 6 1/8" | 3.75" | Round | 15/64" | Standard | 28965A738 | 00000 | ||
| 1/4" | 0.25" | 6 1/8" | 3.75" | Round | 1/4" | Standard | 28965A739 | 00000 | ||
| C | 0.242" | 6 1/8" | 3.75" | Round | 0.242" | Standard | 28965A837 | 00000 | ||
Uncoated | ||||||||||
| 15/64" | 0.2344" | 6 1/8" | 3.75" | Round | 15/64" | Standard | 2939A72 | 0000 | ||
| 1/4" | 0.25" | 6 1/8" | 3.75" | Round | 1/4" | Standard | 2939A73 | 0000 | ||
Cobalt Steel Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Uncoated | ||||||||||
| 1/4" | 0.25" | 6 1/8" | 2.88" | Morse Taper | Morse 1 | Split | 3068A11 | 000000 | ||
Extended Length | ||||||||||
Uncoated | ||||||||||
| 15/64" | 0.2344" | 6 1/8" | 3.28" | Round | 15/64" | Split | 3063A123 | 00000 | ||
| 1/4" | 0.25" | 6 1/8" | 3.25" | Round | 1/4" | Split | 3063A124 | 00000 | ||
| 2 Ga. | 0.221" | 6 1/8" | 3.3" | Round | 0.221" | Split | 88555A22 | 00000 | ||
| 1 Ga. | 0.228" | 6 1/8" | 3.3" | Round | 0.228" | Split | 88555A21 | 00000 | ||
Carbide-Tipped Drill Bits
Anchor Installation Drill Bits for Masonry and Concrete
SDS-Plus Shank for Hammer and Rotary Drilling
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SDS-Plus Shank |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||
Standard Point | ||||||||
| 5/8" | 0.625" | 6 1/8" | 2 1/16" | ANSI B212.15 | 2652N7 | 000000 | ||
Carbide-Insert Drill Bits
High-Speed Steel Drill Bits for Wood Screws
Drill Bit Size | Decimal Size Equiv. | For Screw Size | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | ||||||||||
Round Shank | ||||||||||
| 1/4" | 0.25" | No. 14 | 6 1/8" | 3 3/4" | 1/4" | Standard | 30915A83 | 000000 | ||
Ball-End Driver Shafts
![]() | ![]() | |
Hex |
Drive Size, mm | Overall Lg. | Max. Access Angle | Material | Each | |||
|---|---|---|---|---|---|---|---|
For Hex Drives | |||||||
| 5.5 | 6 1/8" | 25° | Black Phosphate-Coated Steel | 6972A53 | 00000 | ||
High-Speed Steel Square End Mills for Aluminum, Brass, and Bronze
Mill | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated High-Speed Steel | |||||||||||||
2 Flutes | |||||||||||||
| 5/8" | 0.000" to 0.003" | 5/8" | 4" | 6 1/8" | Equal | 38° | Aluminum, Brass, Bronze | Center Cutting | Square | 2983A38 | 000000 | ||
Cobalt Steel Square End Mills
Mill | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated Cobalt Steel | |||||||||||||
4 Flutes | |||||||||||||
| 5/8" | 0.000" to 0.001" | 5/8" | 4" | 6 1/8" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 2883A51 | 000000 | ||
High-Speed Steel Ball End Mills
Mill | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated High-Speed Steel | |||||||||||||
4 Flutes | |||||||||||||
| 5/8" | 0.000" to 0.001" | 5/8" | 4" | 6 1/8" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Ball | 2866A83 | 000000 | ||
High-Speed Steel Square End Mills
4 Flutes |
Mill | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated High-Speed Steel | |||||||||||||
4 Flutes | |||||||||||||
| 5/8" | 0.000" to 0.001" | 5/8" | 4" | 6 1/8" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3056A34 | 000000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
4 Flutes | |||||||||||||
| 5/8" | 0.000" to 0.003" | 5/8" | 4" | 6 1/8" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8918A135 | 00000 | ||
High-Speed Steel Square End Mills with Two Milling Ends
4 Flutes |
Mill | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated High-Speed Steel | |||||||||||||
4 Flutes | |||||||||||||
| 13/16" | -0.0025" to 0.0000" | 7/8" | 1 7/8" | 6 1/8" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 2873A38 | 0000000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
4 Flutes | |||||||||||||
| 13/16" | -0.0025" to 0.0000" | 7/8" | 1 7/8" | 6 1/8" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8912A38 | 000000 | ||

































