For Use On For Use On |
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Maximum Speed Maximum Speed |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Grinding Bits for Nonmetals
Almost as hard as diamond, these tungsten carbide bits cut through nonmetals without generating heat.
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 | Shank Lg. | Grit (Surface Texture) | Each | ||
For Composites, Fiberglass, Plaster, Plastic, Rubber, Wood | |||||||||
1/8"Shank Dia. | |||||||||
| 1 | 13/32" | 21/32" | 20,000 | Cylindrical | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 000000 |
| 2 | 5/32" | 13/16" | 20,000 | Barrel | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 00000 |
| 5 | 5/16" | 11/16" | 20,000 | Taper | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 00000 |
| 5 | 5/8" | 11/16" | 20,000 | Cone | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 00000 |
| 6 | 13/32" | 13/32" | 20,000 | Ball | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 00000 |
1/4"Shank Dia. | |||||||||
| 1 | 5/8" | 1" | 23,000 | Cylindrical | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
| 2 | 1/4" | 1 1/2" | 23,000 | Barrel | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
| 3 | 1/8" | 1 1/4" | 23,000 | Barrel | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
| 4 | 1/8" | 1 1/2" | 23,000 | Taper | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
| 5 | 3/4" | 1" | 23,000 | Cone | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
| 6 | 3/4" | 3/4" | 23,000 | Ball | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
Burs for Wood and Rubber
Pointed teeth cut wood and rubber quickly without clogging.
Flat Cylinder—For straight edges and flat surfaces.
Rounded Cylinder—For curved surfaces and slots and round-bottom holes and slots.
Ball—For curved surfaces, round slots, and round-bottom holes.
Flame—For contoured surfaces, slots, and holes.
Rounded Tapered Cone—For tapered holes and slots with rounded bottoms.
For technical drawings and 3-D models, click on a part number.
Head | Pointed Tooth (For Coarse Finish) | Pointed Tooth (For Fine Finish) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Shank Dia. | Dia. | Lg. | Overall Lg. | Max. Speed, rpm | Color | Each | Color | Each | ||
Carbide | ||||||||||
| 1/4" | 5/16" | 1 3/4" | 3" | 25,000 | Red | 0000000 | 000000 | Blue | 0000000 | 000000 |
| 1/4" | 9/16" | 3/4" | 2" | 25,000 | Red | 0000000 | 00000 | Blue | 0000000 | 00000 |
| 1/4" | 13/16" | 1 1/4" | 2 1/2" | 10,000 | Red | 00000000 | 00000 | Blue | 00000000 | 00000 |
Head | Pointed Tooth (For Coarse Finish) | Pointed Tooth (For Fine Finish) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Shank Dia. | Dia. | Lg. | Overall Lg. | Max. Speed, rpm | Color | Each | Color | Each | ||
Carbide | ||||||||||
| 1/4" | 5/16" | 1 1/2" | 2 13/16" | 25,000 | Red | 0000000 | 000000 | Blue | 0000000 | 000000 |
| 1/4" | 9/16" | 1" | 2 3/8" | 25,000 | Red | 0000000 | 00000 | Blue | 0000000 | 00000 |
| 1/4" | 13/16" | 1 3/8" | 2 1/2" | 10,000 | Red | 00000000 | 00000 | Blue | 00000000 | 00000 |