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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
High-Speed Steel Drill Bits
Shank | Each | Package | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | Each | Pkg. Qty. | Pkg. | ||||
Jobbers' Length | |||||||||||||
Gold Oxide | |||||||||||||
| 2.4 | 0.0945" | 60 | 34.1 | Round | 2.4 mm | Split | 30565A242 | 00000 | 10 | 30565A42 | 000000 | ||
| 2.5 | 0.0984" | 60 | 34.1 | Round | 2.5 mm | Split | 30565A244 | 0000 | 10 | 30565A421 | 00000 | ||
Uncoated | |||||||||||||
| 2.5 | 0.0984" | 60 | 30.2 | Round | 2.5 mm | Standard | 2951A128 | 0000 | — | ——— | 0 | ||
High-Speed Steel Precise-Cut Drill Bits for Wood
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Shank Size, mm | Drill Bit Point Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Uncoated | |||||||||
Round Shank | |||||||||
| 3.0 | 0.1181" | 60 | 30 | 3 | Brad | 28205A71 | 000000 | ||
Left-Hand Cobalt Steel Drill Bits
Jobbers' Length Round Shank | Split |
Shank | Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | 1-9 | 10-Up | |||
Jobbers' Length | |||||||||||
Uncoated | |||||||||||
| 2.5 | 0.0984" | 60 | 35 | Round | 2.5 mm | Split | 3474A51 | 000000 | 00000 | ||
Carbide-Tipped Drill Bits
Chip-Clearing Cobalt Steel Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Flute Type | Type | Size, mm | Drill Bit Point Type | Each | |||
Jobbers' Length | |||||||||||
Uncoated | |||||||||||
| 3.0 | 0.1181" | 60 | 31 | Parabolic | Round | 3 | Split | 2771N46 | 00000 | ||
Hole-Starting Cobalt Steel Drill Bits
Carbide Square End Mills for Carbon Fiber, Fiberglass, and Graphite
4 Flutes |
Mill, mm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia., mm | Lg. of Cut, mm | Overall Lg., mm | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Diamond-Coated Carbide | |||||||||||||
4 Flutes | |||||||||||||
| 6 | -0.025 to 0 | 6 | 20 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Square | 3725A312 | 0000000 | ||
Carbide Ball End Mills
Mill, mm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia., mm | Lg. of Cut, mm | Overall Lg., mm | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Ball | 8878A112 | 000000 | ||
4 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Ball | 8878A157 | 00000 | ||
High-Speed Steel Square End Mills
Mill, mm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia., mm | Lg. of Cut, mm | Overall Lg., mm | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated High-Speed Steel | |||||||||||||
4 Flutes | |||||||||||||
| 3.5 | 0.000 to 0.038 | 9.5 | 12.7 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8854A12 | 000000 | ||
| 4 | 0.000 to 0.038 | 9.5 | 12.7 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8854A13 | 00000 | ||
Carbide Ball End Mills for Carbon Fiber, Fiberglass, and Graphite
Mill, mm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia., mm | Lg. of Cut, mm | Overall Lg., mm | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Diamond-Coated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 0.6 | 0.585 to 0.6000 | 4 | 3 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A15 | 0000000 | ||
| 0.8 | 0.785 to 0.8000 | 4 | 4 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A16 | 000000 | ||
| 1 | 0.985 to 1.0000 | 4 | 5 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A17 | 000000 | ||
| 1.2 | 1.185 to 1.2000 | 4 | 6 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A18 | 000000 | ||
| 1.5 | 1.485 to 1.5000 | 4 | 7.5 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A19 | 000000 | ||
| 2 | 1.985 to 2.0000 | 4 | 10 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A21 | 000000 | ||
| 3 | 2.985 to 3.0000 | 6 | 15 | 60 | Equal | 30° | Carbon Fiber, Fiberglass, Graphite | Center Cutting | Ball | 3725A22 | 000000 | ||
Carbide Square End Mills
![]() | ![]() | ![]() |
2 Flutes | 3 Flutes | 4 Flutes |
Mill, mm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia., mm | Lg. of Cut, mm | Overall Lg., mm | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8940A47 | 000000 | ||
3 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8945A11 | 00000 | ||
4 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 29605A15 | 00000 | ||
Titanium Nitride (TiN)-Coated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8866A191 | 00000 | ||
3 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8931A111 | 00000 | ||
4 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8780A191 | 00000 | ||
Titanium Carbon Nitride (TiCN)-Coated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8866A192 | 00000 | ||
3 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8931A112 | 00000 | ||
4 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8780A192 | 00000 | ||
Titanium Aluminum Nitride (TiAlN)-Coated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8866A193 | 00000 | ||
3 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8931A113 | 00000 | ||
4 Flutes | |||||||||||||
| 7 | -0.0510 to 0.0000 | 7 | 20 | 60 | Equal | 30° | Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 8780A193 | 00000 | ||
Miniature Carbide Rounded-Edge Square End Mills
Mill, mm | Neck, mm | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia., mm | Dia. | Lg. | Lg. of Cut, mm | Corner Cut Radius, mm | Overall Lg., mm | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Aluminum Chromium Nitride (AlCrN)-Coated Carbide | ||||||||||||||||
2 Flutes | ||||||||||||||||
| 1 | -0.013 to 0 | 6 | 0.95 | 15 | 1.5 | 0.1 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N56 | 0000000 | ||
| 1 | -0.013 to 0 | 6 | 0.95 | 20 | 1.5 | 0.1 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N57 | 000000 | ||
| 1.2 | -0.013 to 0 | 6 | 1.15 | 18 | 1.8 | 0.1 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N62 | 000000 | ||
| 1.5 | -0.013 to 0 | 4 | 1.45 | 15 | 2.3 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N31 | 000000 | ||
| 1.5 | -0.013 to 0 | 6 | 1.45 | 15 | 2.3 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N66 | 000000 | ||
| 2 | -0.013 to 0 | 4 | 1.94 | 16 | 3 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N34 | 00000 | ||
| 2 | -0.013 to 0 | 4 | 1.94 | 20 | 3 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N35 | 000000 | ||
| 2 | -0.013 to 0 | 6 | 1.94 | 14 | 3 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N72 | 00000 | ||
| 2 | -0.013 to 0 | 6 | 1.94 | 20 | 3 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N73 | 000000 | ||
| 2.5 | -0.013 to 0 | 6 | 2.4 | 7.5 | 3.8 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N76 | 000000 | ||
| 3 | -0.013 to 0 | 4 | 2.85 | 15 | 4.5 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N38 | 000000 | ||
| 3 | -0.013 to 0 | 6 | 2.85 | 9 | 4.5 | 0.15 | 60 | Equal | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N77 | 000000 | ||
4 Flutes | ||||||||||||||||
| 2 | -0.013 to 0 | 6 | 1.94 | 14 | 4 | 0.15 | 60 | Variable | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N97 | 000000 | ||
| 2.5 | -0.013 to 0 | 6 | 2.4 | 7.5 | 5 | 0.15 | 60 | Variable | 30° | Aluminum, Brass, Bronze, Copper, Hardened Steel, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Rounded-Edge Square | 8471N98 | 000000 | ||































