Clear All
Abrasive Material Abrasive Material |
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Head Diameter Head Diameter |
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Shape Shape |
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 | Cylinder |
 | Tapered |
 | Ball |
 | Barrel |
 | Flat-Top Cone |
Head Length Head Length |
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Maximum Speed Maximum Speed |
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Surface Texture Surface Texture |
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Color Color |
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 | Silver |
For Use With For Use With |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Long-Life Grinding Bits for Metals
Similar to diamond, boron nitride is harder than aluminum oxide and lasts longer. Bits are also known as jig grinding pins and mandrels.
Head diameter is measured at the widest point.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Max. Speed, rpm | Shape | Abrasive Material | O'all Lg. | Grit (Surface Texture) | Each | |
For Steel, Stainless Steel, Iron | ||||||||
1/8" Shank Dia. | ||||||||
| 0.03" | 0.08" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 220 (Extra Smooth) Silver | 0000000 | 000000 |
| 0.04" | 0.08" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 220 (Extra Smooth) Silver | 0000000 | 00000 |
| 0.05" | 0.08" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.06" | 0.12" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.07" | 0.12" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.08" | 0.16" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.09" | 0.16" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.1" | 0.16" | 100,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.11" | 0.16" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.12" | 0.16" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.13" | 0.2" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.14" | 0.2" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.16" | 0.2" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
1/4" Shank Dia. | ||||||||
| 0.2" | 0.24" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.24" | 0.28" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.26" | 0.28" | 60,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.32" | 0.32" | 30,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.34" | 0.32" | 30,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.39" | 0.39" | 30,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.47" | 0.39" | 30,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 000000 | 00000 |
| 0.59" | 0.39" | 20,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 0.73" | 0.39" | 20,000 | Cylindrical | Boron Nitride | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
Long-Life Grinding Bits for Nonmetals
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The diamond abrasive in these bits is extremely hard and lasts longer than tungsten carbide. For longer tool life and improved finish, use a water- or oil-soluble mist or coolant.
Bits are also known as mounted points and die grinder bits. Head diameter is measured at the widest point.
Caution: As bit shank is exposed beyond 1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Max. Speed, rpm | Shape | Abrasive Material | O'all Lg. | Grit (Surface Texture) | Each | ||
For Carbide, Ceramics, Glass | |||||||||
1/8" Shank Dia. | |||||||||
| 1 | 0.03" | 0.08" | 100,000 | Cylindrical | Diamond | 2 1/4" | 220 (Extra Smooth) Silver | 0000000 | 000000 |
| 1 | 0.03" | 0.19" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.04" | 0.08" | 100,000 | Cylindrical | Diamond | 2 1/4" | 220 (Extra Smooth) Silver | 0000000 | 00000 |
| 1 | 0.04" | 0.19" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.05" | 0.08" | 100,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.05" | 0.19" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.06" | 0.12" | 100,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.06" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.07" | 0.12" | 100,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.08" | 0.16" | 100,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.08" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.09" | 0.16" | 100,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.1" | 0.16" | 100,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.11" | 0.16" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.12" | 0.16" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.13" | 0.2" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.13" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.14" | 0.2" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.16" | 0.2" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.16" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.19" | 0.31" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.25" | 0.31" | 46,500 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.31" | 0.31" | 46,500 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 2 | 0.25" | 0.03" | 46,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 2 | 0.25" | 0.06" | 46,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 2 | 0.25" | 0.13" | 46,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 3 | 0.06" | 1/4" | 96,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 3 | 0.13" | 1/4" | 96,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 3 | 0.25" | 0.31" | 46,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 3 | 0.31" | 0.31" | 46,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 4 | 0.14" | 0.31" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 5 | 0.06" | 0.31" | 96,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 5 | 0.08" | 0.31" | 96,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 5 | 0.11" | 0.31" | 96,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 6 | 0.16" | 0.23" | 96,000 | Taper | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 6 | 0.17" | 0.14" | 96,000 | Taper | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 6 | 0.19" | 0.38" | 96,000 | Taper | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.06" | 0.06" | 96,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.09" | 0.09" | 96,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.13" | 0.13" | 96,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.19" | 0.19" | 96,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.25" | 1/4" | 46,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.38" | 0.38" | 46,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
1/4" Shank Dia. | |||||||||
| 1 | 0.06" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.09" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.13" | 1/4" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.19" | 0.31" | 96,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.2" | 0.24" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.24" | 0.28" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.25" | 0.31" | 46,500 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.26" | 0.28" | 60,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.31" | 0.31" | 46,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.32" | 0.32" | 30,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.34" | 0.32" | 30,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.38" | 0.31" | 46,500 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.39" | 0.39" | 30,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.5" | 0.31" | 30,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.59" | 0.39" | 20,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 1 | 0.73" | 0.39" | 20,000 | Cylindrical | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 3 | 0.38" | 0.31" | 46,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 3 | 0.5" | 0.31" | 30,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |
| 7 | 0.19" | 0.1" | 18,600 | Flat-Top Cone | Diamond | 2" | 120 (Smooth) Silver | 0000000 | 00000 |
| 7 | 0.25" | 0.1" | 18,600 | Flat-Top Cone | Diamond | 2" | 120 (Smooth) Silver | 0000000 | 00000 |
| 7 | 0.5" | 0.2" | 30,000 | Flat-Top Cone | Diamond | 2" | 120 (Smooth) Silver | 0000000 | 00000 |
| 8 | 0.5" | 1/2" | 30,000 | Ball | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 00000 |