Shape Shape | Show |
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 | Barrel |
Shape Shape | Hide |
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 | Cylinder |
 | Tree |
 | Ball |
 | Tapered Cone |
 | Oval |
 | Flame |
 | Cone |
 | Inverted Cone |
 | Disc |
| Barrel |
 | Tapered |
 | Convex-Concave |
 | Flat-Top Cone |
 | Pear |
For Use On For Use On |
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Abrasive Material Abrasive Material |
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Surface Texture Surface Texture |
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Maximum Speed Maximum Speed |
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For Use With For Use With |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Abrasive Bond Material Abrasive Bond Material |
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Overall Length Overall Length |
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Grinding Bits for Metals
Made of aluminum oxide, these bits are well suited for use on most metals and materials that are not heat sensitive.
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 | Abrasive | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Max. Speed, rpm | Shape No. | Shape | Material | Bond Material | Shank Lg. | Choose a Grit (Surface Texture) | Pkg. Qty. | Pkg. | ||
For Steel, Stainless Steel, Iron | ||||||||||||
1/8" Shank Dia. | ||||||||||||
| 2 | 1/4" | 5/16" | 81,370 | B43 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 2 | 1/2" | 3/4" | 33,750 | B42 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
1/4" Shank Dia. | ||||||||||||
| 3 | 3/4" | 5/8" | 50,930 | A22 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
| 3 | 1" | 1" | 34,500 | A21 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
| 4 | 7/8" | 2" | 19,860 | A11 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 4 | 1" | 2 3/4" | 16,100 | A3 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 10 | 1/4" | 3/4" | 76,500 | A24 | Barrel | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
Rubber-Cushioned Abrasive Grinding Bits for Metals
The abrasive grains in these bits are blended with rubber, which cushions during grinding to produce a smoother surface texture than other bits with similar grits.
Bits for steel are aluminum oxide, which is the most common abrasive used in grinding metal.
Bits for aluminum, brass, and bronze are silicon carbide, which cuts through soft metals without generating much heat or causing material buildup.
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 | Abrasive | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Max. Speed, rpm | Shape No. | Shape | Material | Bond Material | Shank Lg. | Choose a Grit (Surface Texture) | Each | ||
For Steel | |||||||||||
1/4" Shank Dia. | |||||||||||
| 2 | 1/4" | 3/4" | 76,500 | A24 | Barrel | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 00000 | |
For Aluminum, Brass, Bronze | |||||||||||
1/4" Shank Dia. | |||||||||||
| 2 | 1/4" | 3/4" | 76,500 | A24 | Barrel | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
Hex-Shank Grinding Bits for Metals
Use bits in any drill chuck that accepts a 1/4" hex shank.
Bits are aluminum oxide, which is the most common abrasive used in grinding metal. They 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.
Head | Abrasive | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Max. Speed, rpm | Shape No. | Shape | Material | Bond Material | Shank Lg. | Grit (Surface Texture) | Each | ||
For Steel, Iron | |||||||||||
1/4" Shank Hex Size | |||||||||||
| 2 | 1" | 1" | 34,500 | A21 | Barrel | Aluminum Oxide | Vitrified Ceramic | 1 1/2" | 60 (Rough) Gray | 0000000 | 00000 |
| 3 | 1/4" | 3/4" | 76,500 | A24 | Barrel | Aluminum Oxide | Vitrified Ceramic | 1 1/2" | 60 (Rough) Gray | 0000000 | 0000 |
Grinding Bits for Stainless Steel
Bits stay cool during grinding so they won’t mar or discolor stainless steel.
Bits are zirconia alumina, which grinds faster and lasts longer than aluminum oxide. They 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.
Head | Abrasive | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Max. Speed, rpm | Shape No. | Shape | Material | Bond Material | Shank Lg. | Grit (Surface Texture) | Each | ||
For Stainless Steel | |||||||||||
1/4" Shank Dia. | |||||||||||
| 2 | 7/8" | 2" | 19,860 | A11 | Barrel | Zirconia Alumina | Synthetic Resin | 1 1/2" | 30 (Rough) Gray | 00000000 | 00000 |
| 2 | 1" | 2 3/4" | 16,100 | A3 | Barrel | Zirconia Alumina | Synthetic Resin | 1 1/2" | 30 (Rough) Gray | 00000000 | 00000 |
| 3 | 3/4" | 1 1/8" | 45,000 | A5 | Barrel | Zirconia Alumina | Synthetic Resin | 1 1/2" | 30 (Rough) Gray | 00000000 | 0000 |
Long-Life Grinding Bits for Nonmetals
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. | |||||||||
| 3 | 0.06" | 1/4" | 96,000 | Barrel | Diamond | 2 1/4" | 120 (Smooth) Silver | 0000000 | 000000 |
| 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 |
| 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 |
1/4" Shank Dia. | |||||||||
| 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 |
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. | |||||||||
| 2 | 5/32" | 13/16" | 20,000 | Barrel | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 000000 |
1/4"Shank Dia. | |||||||||
| 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 |