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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Cobalt Steel Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Jobbers' Length | |||||||||||
Titanium Nitride (TiN) Coated | |||||||||||
| 3.3 | 0.1299" | 64 | 36.1 | Round | 3.3 mm | Split | Dormer Pramet | 5058N58 | 00000 | ||
High-Speed Steel Step Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Uncoated | ||||||||||
| 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0 | 0.2362", 0.315", 0.3937", 0.4724", 0.5512", 0.6299", 0.7087" | 64 | Hex | 10 mm | Standard | Black & Decker | 89275A13 | 000000 | ||
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 | Mfr. | Each | |||
Jobbers' Length | ||||||||||||
Uncoated | ||||||||||||
| 3.3 | 0.1299" | 64 | 34 | Parabolic | Round | 3.3 | Split | Viking Norseman Drill | 2771N47 | 00000 | ||
High-Speed Steel Drill Bits
Coolant-Fed Carbide Drill Bits
Maintenance Length Round Shank |
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Maintenance Length | |||||||||||
Titanium Aluminum Nitride (TiAlN) Coated | |||||||||||
| 3.0 | 0.1181" | 64 | 20.1 | Round | 6 mm | Four Facet | Garr Tool | 2396N634 | 000000 | ||
Carbide-Tipped Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Short Length | |||||||||||
Uncoated | |||||||||||
| 6.0 | 0.2362" | 64 | 18 | Round | 6 mm | Standard | Izar | 28805A407 | 000000 | ||
Carbide Ball End Mills for Tool Steel, Hardened Steel, and Iron
Mill | For Maximum Hardness Rockwell C52 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia., mm | 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 | |||
Aluminum Titanium Nitride (AlTiN)-Coated Carbide | |||||||||||||
2 Flutes | |||||||||||||
| 1 | -0.001" to 0.000" | 6 | 1 | 64 | Equal | 15° | Hardened Steel, Iron, Tool Steel | Center Cutting | Ball | 8942A28 | 000000 | ||
| 2 | -0.001" to 0.000" | 6 | 2 | 64 | Equal | 15° | Hardened Steel, Iron, Tool Steel | Center Cutting | Ball | 8942A29 | 00000 | ||
| 3 | -0.001" to 0.000" | 6 | 3 | 64 | Equal | 15° | Hardened Steel, Iron, Tool Steel | Center Cutting | Ball | 8942A31 | 00000 | ||
| 4 | -0.001" to 0.000" | 6 | 4 | 64 | Equal | 15° | Hardened Steel, Iron, Tool Steel | Center Cutting | Ball | 8942A32 | 000000 | ||
| 6 | -0.001" to 0.000" | 6 | 6 | 64 | Equal | 15° | Hardened Steel, Iron, Tool Steel | Center Cutting | Ball | 8942A34 | 000000 | ||
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 | |||||||||||||
2 Flutes | |||||||||||||
| 10 | 0.000 to 0.025 | 9.5 | 20.6 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8853A77 | 000000 | ||
| 10.5 | 0.000 to 0.025 | 9.5 | 20.6 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8853A772 | 00000 | ||
| 11 | 0.000 to 0.025 | 9.5 | 20.6 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8853A774 | 00000 | ||
4 Flutes | |||||||||||||
| 6.5 | 0.000 to 0.038 | 9.5 | 19 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8854A18 | 00000 | ||
| 7 | 0.000 to 0.038 | 9.5 | 19 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8854A19 | 00000 | ||
| 8 | 0.000 to 0.038 | 9.5 | 19 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8854A21 | 00000 | ||
| 9 | 0.000 to 0.038 | 9.5 | 19 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 8854A22 | 00000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
2 Flutes | |||||||||||||
| 10 | 0.000 to 0.025 | 9.5 | 20.6 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8694A27 | 00000 | ||
| 10.5 | 0.000 to 0.025 | 9.5 | 20.6 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8694A28 | 00000 | ||
| 11 | 0.000 to 0.025 | 9.5 | 20.6 | 64 | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8694A29 | 00000 | ||
Carbide Tapered Square End Mills
![]() | ![]() |
Tapered Cut Style | 3 Flutes |
Mill, mm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Taper Angle per Side | Dia. | Dia. Tolerance | Max. Taper Dia., mm | Shank Dia., mm | Lg. of Cut, mm | Overall Lg., mm | Flute Spacing | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated Carbide | ||||||||||||||
3 Flutes | ||||||||||||||
| 1° | 6 | -0.051 to 0.051 | 6.7 | 8 | 20 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Tapered | 8946A103 | 000000 | ||
| 2° | 3 | -0.051 to 0.051 | 4.4 | 6 | 20 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8946A105 | 00000 | ||
| 5° | 1 | -0.051 to 0.051 | 3.1 | 6 | 12 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8946A112 | 00000 | ||
| 5° | 3 | -0.051 to 0.051 | 6.4 | 8 | 20 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8946A114 | 00000 | ||
| 10° | 2 | -0.051 to 0.051 | 6.2 | 8 | 12 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8946A121 | 00000 | ||
Titanium Aluminum Nitride (TiAlN)-Coated Carbide | ||||||||||||||
3 Flutes | ||||||||||||||
| 1° | 6 | -0.051 to 0.051 | 6.7 | 8 | 20 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Tapered | 8172N67 | 00000 | ||
| 2° | 3 | -0.051 to 0.051 | 4.4 | 6 | 20 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8172N68 | 00000 | ||
| 5° | 1 | -0.051 to 0.051 | 3.1 | 6 | 12 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8172N72 | 00000 | ||
| 5° | 3 | -0.051 to 0.051 | 6.5 | 8 | 20 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8172N73 | 00000 | ||
| 10° | 2 | -0.051 to 0.051 | 6.2 | 8 | 12 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | Tapered | 8172N76 | 00000 | ||
High-Speed Steel Corner-Rounding End Mills
Uncoated High-Speed Steel | Titanium Nitride (TiN)-Coated High-Speed Steel | Aluminum Titanium Nitride (ALTiN)-Coated High-Speed Steel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cut Radius, mm | Tip Dia., mm | Mill Dia., mm | Shank Dia., mm | Overall Lg., mm | Flute Spacing | For Use On | Cut Style | Each | Each | Each | |||||
4 Flutes | |||||||||||||||
| 1 | 6 | 11.1 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Corner Rounding | 30245A31 | 000000 | 8375N36 | 000000 | 8412N36 | 0000000 | ||
| 1.5 | 7 | 11.1 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Corner Rounding | 30245A511 | 00000 | 8375N37 | 00000 | 8412N37 | 000000 | ||
| 2 | 7 | 12.7 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Corner Rounding | 30245A33 | 00000 | 8375N38 | 00000 | 8412N38 | 000000 | ||
| 2.5 | 6 | 12.7 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Corner Rounding | 30245A34 | 00000 | 8375N39 | 00000 | 8412N39 | 000000 | ||
Carbide Corner-Rounding End Mills with Two Milling Ends
![]() | ![]() |
Corner-Rounding Cut Style | 3 Flutes |
Cut Radius, mm | Tip Dia., mm | Mill Dia., mm | Shank Dia., mm | Overall Lg., mm | Flute Spacing | For Use On | Cut Style | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Uncoated Carbide | |||||||||||
3 Flutes | |||||||||||
| 1 | 3.6 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A51 | 000000 | ||
| 1.5 | 2.3 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A811 | 00000 | ||
| 2 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A52 | 00000 | ||
| 2.5 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A53 | 00000 | ||
| 3 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A54 | 00000 | ||
Titanium Nitride (TiN)-Coated Carbide | |||||||||||
3 Flutes | |||||||||||
| 1 | 3.6 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A812 | 00000 | ||
| 1.5 | 2.3 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A813 | 00000 | ||
| 2 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A814 | 000000 | ||
| 2.5 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A815 | 000000 | ||
| 3 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A816 | 000000 | ||
Titanium Carbon Nitride (TiCN)-Coated Carbide | |||||||||||
3 Flutes | |||||||||||
| 1 | 3.6 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A821 | 00000 | ||
| 1.5 | 2.3 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A822 | 00000 | ||
| 2 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A823 | 000000 | ||
| 2.5 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A824 | 000000 | ||
| 3 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A825 | 000000 | ||
Aluminum Titanium Nitride (AlTiN)-Coated Carbide | |||||||||||
3 Flutes | |||||||||||
| 1 | 3.6 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A829 | 00000 | ||
| 1.5 | 2.3 | 6 | 6 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A831 | 00000 | ||
| 2 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A832 | 000000 | ||
| 2.5 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A833 | 000000 | ||
| 3 | 2.9 | 10 | 10 | 64 | Equal | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Corner Rounding | 8508A834 | 000000 | ||































