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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Quick-Change Hex High-Speed Steel Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Black Oxide | ||||||||||
| 7/64" | 0.1094" | 2 11/16" | 0.81" | Quick-Change Hex | 1/4" | Split | 29305A741 | 00000 | ||
Cobalt Steel Drill Bits
Shank | Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | 1-11 | 12-Up | |||
Short Length | |||||||||||
Titanium Nitride (TiN) Coated | |||||||||||
| 9/32" | 0.2813" | 2 11/16" | 1.07" | Round | 9/32" | Split | 2416A26 | 000000 | 000000 | ||
Quick-Change Hex Drill-Bit Countersinks for Wood and Plastic
Drill-Point Counterbores
High-Speed Steel
Shank | Uncoated | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | Body Dia. | Overall Lg. | Dia. | Type | No. of Flutes | Max. Hole Drilling Dp. | Mfr. | Each | |||
| 1/2" | 0.781" | 2 11/16" | 5/8" | Round | 2 | 0.562" | Link Industries | 29445A19 | 000000 | ||
Long-Life Counterbore Drill Bits
Dia. | Lg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | Body | Step | Step | Overall | No. of Flutes | Point Angle | For Use On | Mfr. | Each | |||
Uncoated High-Speed Steel | ||||||||||||
| No. 8 | 0.272" | 0.164" | 3/8" | 2 11/16" | 2 | 118° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | RTS Cutting Tools | 29525A44 | 000000 | ||
High-Speed 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 High-Speed Steel | |||||||||||||
2 Flutes | |||||||||||||
| 7/32" | 0.000" to 0.001" | 3/8" | 7/8" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3051A45 | 000000 | ||
3 Flutes | |||||||||||||
| 7/16" | 0.000" to 0.001" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 2849A78 | 00000 | ||
4 Flutes | |||||||||||||
| 25/64" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3056A217 | 00000 | ||
| 13/32" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3056A38 | 00000 | ||
| 7/16" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3056A39 | 00000 | ||
| 29/64" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3056A219 | 00000 | ||
| 1/2" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Center Cutting | Square | 3056A76 | 00000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
2 Flutes | |||||||||||||
| 7/32" | 0.000" to 0.001" | 3/8" | 7/8" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8949A814 | 00000 | ||
4 Flutes | |||||||||||||
| 25/64" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8918A122 | 00000 | ||
| 13/32" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Steel, Tool Steel | Center Cutting | Square | 8918A64 | 00000 | ||
| 7/16" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Steel, Tool Steel | Center Cutting | Square | 8918A44 | 00000 | ||
| 29/64" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Tool Steel | Center Cutting | Square | 8918A126 | 00000 | ||
| 1/2" | 0.000" to 0.0015" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Steel, Tool Steel | Center Cutting | Square | 8918A31 | 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 | |||||||||||||
| 7/16" | 0.000" to 0.003" | 3/8" | 1" | 2 11/16" | Equal | 38° | Aluminum, Brass, Bronze | Center Cutting | Square | 2983A14 | 000000 | ||
Ratcheting Socket Adapters
![]() |
Overall Lg. | Material | Each | |||
|---|---|---|---|---|---|
1/2" Square Drive | |||||
| 2 11/16" | Chrome-Plated Steel | 5523A18 | 000000 | ||
Roughing High-Speed Steel Square End Mills
Mill | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Pitch | Flute Spacing | Helix Angle | For Use On | End Mill Type | Cut Style | Each | |||
Uncoated High-Speed Steel | ||||||||||||||
4 Flutes | ||||||||||||||
| 7/16" | -0.005" to 0.005" | 3/8" | 1" | 2 11/16" | Coarse | Equal | 30° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Noncenter Cutting | Square | 8819A33 | 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 | |||||||||||||
| 7/16" | 0.000" to 0.001" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 2883A46 | 000000 | ||
| 1/2" | 0.000" to 0.001" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Center Cutting | Square | 2883A17 | 00000 | ||
Adjustable Torque-Limiting Socket Adapters
Socket Adapters | Replacement Pin Kits | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall Lg. | OD | Torque Range | Torque-Limiting Direction | Clockwise Accuracy | Max. Rotation Speed, rpm | Material | Each | Each | ||||
1/2" Square Drive | ||||||||||||
| 2 11/16" | 1 3/4" | 120 to 480 in·lbf 10 to 40 ft·lbf 13.6 to 54.2 N-m | Clockwise | ±5% | 300 | Nickel-Plated Steel | 6968A313 | 0000000 | 6968A317 | 000000 | ||
| 2 11/16" | 1 3/4" | 240 to 600 in·lbf 20 to 50 ft·lbf 27.1 to 67.8 N-m | Clockwise | ±5% | 300 | Nickel-Plated Steel | 6968A314 | 000000 | 6968A317 | 00000 | ||
Carbide-Tipped T-Slot End Mills
![]() | ![]() |
Mill | Neck | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For T-Slot Bolt Size | Dia. | Thk. | Shank Dia. | Dia. | Lg. | Lg. of Cut | Overall Lg. | For Use On | Each | |||
Uncoated | ||||||||||||
| 5/16" | 21/32" | 17/64" | 1/2" | 0.328" | 39/64" | 17/64" | 2 11/16" | Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | 4652N12 | 0000000 | ||
Titanium Nitride (TiN) Coated | ||||||||||||
| 5/16" | 21/32" | 17/64" | 1/2" | 0.328" | 39/64" | 17/64" | 2 11/16" | Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | 4652N22 | 000000 | ||
Titanium Carbon Nitride (TiCN) Coated | ||||||||||||
| 5/16" | 21/32" | 17/64" | 1/2" | 0.328" | 39/64" | 17/64" | 2 11/16" | Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | 4652N32 | 000000 | ||
Aluminum Titanium Nitride (AlTiN) Coated | ||||||||||||
| 5/16" | 21/32" | 17/64" | 1/2" | 0.328" | 39/64" | 17/64" | 2 11/16" | Brass, Bronze, Hardened Steel, Iron, Nickel, Stainless Steel, Steel, Titanium, Tool Steel | 4652N42 | 000000 | ||
High-Speed Steel T-Slot End Mills
![]() | ![]() |
Mill | Neck | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For T-Slot Bolt Size | Dia. | Dia. Tolerance | Thk. | Shank Dia. | Dia. | Lg. | Overall Lg. | For Use On | Cut Style | Each | |||
Uncoated High-Speed Steel | |||||||||||||
| 5/16" | 21/32" | -0.010" to 0.000" | 17/64" | 1/2" | 0.328" | 39/64" | 2 11/16" | Aluminum, Brass, Bronze, Hardened Steel, Iron, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | T-Slot | 8789A17 | 000000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
| 5/16" | 21/32" | -0.010" to 0.000" | 17/64" | 1/2" | 0.328" | 39/64" | 2 11/16" | Aluminum, Brass, Bronze, Hardened Steel, Iron, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | T-Slot | 8789A114 | 00000 | ||
Titanium Carbon Nitride (TiCN)-Coated High-Speed Steel | |||||||||||||
| 5/16" | 21/32" | -0.010" to 0.000" | 17/64" | 1/2" | 0.328" | 39/64" | 2 11/16" | Aluminum, Brass, Bronze, Hardened Steel, Iron, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | T-Slot | 8789A124 | 00000 | ||
Aluminum Titanium Nitride (ALTiN)-Coated High-Speed Steel | |||||||||||||
| 5/16" | 21/32" | -0.010" to 0.000" | 17/64" | 1/2" | 0.328" | 39/64" | 2 11/16" | Aluminum, Brass, Bronze, Hardened Steel, Iron, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | T-Slot | 8789A134 | 00000 | ||
Roughing Cobalt Steel Square End Mills
4 Flutes Coarse Pitch | 4 Flutes Fine Pitch |
Coarse Pitch | Fine Pitch | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mill Dia. | Shank Dia. | Lg. of Cut | Overall Lg. | Flute Spacing | Helix Angle | For Use On | End Mill Type | Each | Each | ||||
Uncoated Cobalt Steel | |||||||||||||
4 Flutes | |||||||||||||
| 7/16" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | 8817A51 | 000000 | 28315A18 | 000000 | ||
Titanium Carbon Nitride (TiCN)-Coated Cobalt Steel | |||||||||||||
4 Flutes | |||||||||||||
| 7/16" | 3/8" | 1" | 2 11/16" | Equal | 30° | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | Noncenter Cutting | 88335A18 | 00000 | 8919A16 | 00000 | ||
Fixed Torque-Limiting Socket Adapters
Socket Adapters | Replacement Pin Kits | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Accuracy | |||||||||||||
Torque Setting, in·lbf | Overall Lg. | OD | Torque-Limiting Direction | Clockwise | Counterclockwise | Max. Rotation Speed, rpm | Material | Each | Each | ||||
Socket Adapters | |||||||||||||
1/2" Square Drive | |||||||||||||
| 300 | 2 11/16" | 1 3/4" | Clockwise and Counterclockwise | ±5% | ±5% | 300 | Nickel-Plated Steel | 6968A318 | 0000000 | 6968A317 | 000000 | ||
| 360 | 2 11/16" | 1 3/4" | Clockwise and Counterclockwise | ±5% | ±5% | 300 | Nickel-Plated Steel | 6968A51 | 000000 | 6968A317 | 00000 | ||
Socket Adapters—Calibration Certificate Traceable to NIST | |||||||||||||
1/2" Square Drive | |||||||||||||
| 300 | 2 11/16" | 1 3/4" | Clockwise and Counterclockwise | ±5% | ±5% | 300 | Nickel-Plated Steel | 8512N25 | 000000 | 6968A317 | 00000 | ||
| 360 | 2 11/16" | 1 3/4" | Clockwise and Counterclockwise | ±5% | ±5% | 300 | Nickel-Plated Steel | 8512N26 | 000000 | 6968A317 | 00000 | ||



































