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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Cobalt Steel Drill Bits
Shank | Each | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Mfr. | 1-11 | 12-Up | |||
Short Length | ||||||||||||
Titanium Nitride (TiN) Coated | ||||||||||||
| 9/32" | 0.2813" | 2 11/16" | 1.07" | Round | 9/32" | Split | Chicago-Latrobe | 2416A26 | 000000 | 000000 | ||
Quick-Change Hex Drill-Bit Countersinks for Wood and Plastic
Drill-Point Counterbores
High-Speed Steel%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%20400%20400'%20style='enable-background:new%200%200%20400%20400;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%231A70A0;}%20.st1{opacity:0.5;}%20%3c/style%3e%3cg%3e%3cg%3e%3cpath%20class='st0'%20d='M200,56.9c38.35,0,74.4,14.93,101.51,42.05c27.11,27.11,42.05,63.17,42.05,101.51s-14.93,74.4-42.05,101.51%20S238.35,344.02,200,344.02s-74.4-14.93-101.51-42.05c-27.11-27.11-42.05-63.17-42.05-101.51s14.93-74.4,42.05-101.51%20S161.65,56.9,200,56.9%20M200,12.9C96.41,12.9,12.44,96.88,12.44,200.46c0,103.59,83.97,187.56,187.56,187.56%20c103.59,0,187.56-83.97,187.56-187.56C387.56,96.88,303.59,12.9,200,12.9L200,12.9z'/%3e%3c/g%3e%3cg%3e%3cg%20class='st1'%3e%3cpath%20class='st0'%20d='M235.49,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C190.89,163.58,214.53,158.88,235.49,152.24z%20M230.44,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C218.68,82.23,224.24,80.84,230.44,80.84z'/%3e%3c/g%3e%3cg%3e%3cpath%20class='st0'%20d='M214.08,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C169.48,163.58,193.11,158.88,214.08,152.24z%20M209.03,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C197.26,82.23,202.83,80.84,209.03,80.84z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
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 | ||
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 | Mfr. | 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 | HTC Tool-Cutter Manufacturing | 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 | Brubaker Tool | 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 | Melin Tool | 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 | Cleveland | 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 | Cleveland | 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 | Melin Tool | 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 | Cleveland | 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 | HTC Tool-Cutter Manufacturing | 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 | Melin Tool | 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 | Cleveland | 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 | Cleveland | 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 | Melin Tool | 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 | Cleveland | 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 | Mfr. | 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 | Brubaker Tool | 2983A14 | 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 | ||
Fluteless Smooth-Finish Countersinks with Pilot for Screws
Impact Wrench Drill Taps
Thread | Drill Bit | Taper Chamfer | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Lg. | Overall Lg. | Size, mm | Decimal Size Equiv. | Point Angle | Max. Tapping Dp. | Flute Type | No. of Flutes | Thread Type | Pitch Dia. Limit | Shank Type | Hex Shank Size | Each | |||
Titanium Nitride (TiN)-Coated Hardened High-Speed Steel | ||||||||||||||||
| M4 × 0.7 mm | 13/32" | 2 11/16" | 3.3 | 0.13" | 135° | 5/32" | Spiral | 2 | Metric | D5 | VersaDrive Hex | 7/16" | 9672N19 | 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 | Mfr. | 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 | Melin Tool | 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 | Mfr. | 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 | Seco | 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 | Seco | 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 | Mfr. | 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 | Whitney Tool | 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 | Whitney Tool | 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 | Whitney Tool | 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 | Whitney Tool | 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 | Mfr. | 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 | Whitney Tool | 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 | Whitney Tool | 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 | Whitney Tool | 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 | Whitney Tool | 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 | Mfr. | 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 | Seco | 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 | Seco | 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 | ||







































