Grit Grit |
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Abrasive Material Abrasive Material |
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Surface Texture Surface Texture |
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Material Material |
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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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For Use With For Use With |
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For Finish For Finish |
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About Finishing
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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 | |||||||||||
1/8" Shank Dia. | |||||||||||
| 1 | 1/8" | 3/8" | 105,000 | W145 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 1 | 3/16" | 1/2" | 70,500 | W154 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/4" | 1/4" | 81,370 | W160 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/4" | 1/2" | 60,000 | W163 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/4" | 3/4" | 45,900 | W164 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 3/8" | 3/8" | 54,000 | W175 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 3/8" | 1" | 26,250 | W178 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/2" | 3/8" | 41,020 | W184 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/2" | 1/2" | 34,500 | W185 | Cylindrical | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 3 | 1/4" | 5/8" | 60,000 | B53 | Taper | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 6 | 5/16" | 3/8" | 68,400 | B104 | Inverted Cone | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 7 | 3/16" | 3/16" | 104,250 | B123 | Ball | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
For Aluminum, Brass, Bronze | |||||||||||
1/8" Shank Dia. | |||||||||||
| 1 | 1/8" | 3/8" | 105,000 | W145 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 3/16" | 1/2" | 70,500 | W154 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/4" | 1/4" | 81,370 | W160 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 1 | 1/4" | 1/2" | 60,000 | W163 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 1 | 1/4" | 3/4" | 45,900 | W164 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 1 | 3/8" | 3/8" | 54,000 | W175 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 1 | 3/8" | 1" | 26,250 | W178 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 1 | 1/2" | 3/8" | 41,020 | W184 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 1 | 1/2" | 1/2" | 34,500 | W185 | Cylindrical | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 3 | 1/4" | 5/8" | 60,000 | B53 | Taper | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 6 | 5/16" | 3/8" | 68,400 | B104 | Inverted Cone | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 7 | 3/16" | 3/16" | 104,250 | B123 | Ball | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
Rubber-Cushioned Abrasive Grinding Bit Sets for Metals
The bits in this set have rubber blended into the abrasive, which cushions during grinding to produce a smooth to extra-smooth surface texture.
Set includes aluminum oxide bits for grinding hard metals and silicon carbide bits for grinding soft metals.
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.
Abrasive | |||||||
|---|---|---|---|---|---|---|---|
| No. of Pieces | Includes | Max. Speed, rpm | Material | Bond Material | Grit (Surface Texture) | Each | |
For Steel, Aluminum, Brass, Bronze | |||||||
| 126 | 30 Silicon Carbide and 10 Aluminum Oxide 15/16" Lg. x 1/4" Dia. Bits, 30 Silicon Carbide and 10 Aluminum Oxide 7/8" Dia. Tapered-Edge Discs, 30 Silicon Carbide and 10 Aluminum Oxide 7/8" Dia. x 1/8" Thick Straight Discs, Two Spiral Mandrels with Hex Nut, Four 1/8" Dia. Mandrels, Paper and Plastic Case | 21,000 | Aluminum Oxide/Silicon Carbide Blend | Rubber | 120 (Smooth) to 240 (Extra Smooth) | 0000000 | 000000 |
Multipurpose No-Mess Polishing Bobs
The abrasive is already embedded in these bobs so you don’t need messy compounds. Polish small areas and hard-to-reach spots using a drill or grinder for bits and burs. Grit is approximate.
Polyurethane bobs are harder than neoprene so they hold their shape longer, even during heavy use.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Shank Dia. | Max. Speed, rpm | Abrasive Material | Choose a Grit | Each | |
For Use On Steel | |||||||
Cylinder with Flat Tip—Polyurethane Rubber | |||||||
| 1/4" | 1/4" | 1/8" | 15,000 | Aluminum Oxide | 0000000 | 00000 | |
| 1/2" | 1/2" | 1/8" | 15,000 | Aluminum Oxide | 0000000 | 0000 | |
Cylinder with Flat Tip—Neoprene Rubber | |||||||
| 1/4" | 7/16" | 3/32" | 30,000 | Aluminum Oxide | 0000000 | 0000 | |
| 1/2" | 3/4" | 1/8" | 4,500 | Aluminum Oxide | 0000000 | 0000 | |
Cylinder with Rounded Tip—Polyurethane Rubber | |||||||
| 3/8" | 1/2" | 1/8" | 15,000 | Aluminum Oxide | 0000000 | 0000 | |
Cylinder with Rounded Tip—Neoprene Rubber | |||||||
| 3/16" | 7/16" | 3/32" | 30,000 | Aluminum Oxide | 0000000 | 0000 | |
| 1/4" | 5/8" | 3/32" | 30,000 | Aluminum Oxide | 0000000 | 0000 | |
| 3/8" | 5/8" | 1/8" | 4,500 | Aluminum Oxide | 0000000 | 0000 | |
| 7/16" | 3/4" | 1/8" | 4,500 | Aluminum Oxide | 0000000 | 0000 | |
Oval with Rounded Tip—Neoprene Rubber | |||||||
| 3/8" | 1" | 1/8" | 4,500 | Aluminum Oxide | 0000000 | 0000 | |
| 9/16" | 11/16" | 1/8" | 4,500 | Aluminum Oxide | 0000000 | 0000 | |
Cone with Rounded Tip—Polyurethane Rubber | |||||||
| 3/8" | 1/2" | 1/8" | 15,000 | Aluminum Oxide | 0000000 | 0000 | |
Tear Drop with Pointed Tip—Neoprene Rubber | |||||||
| 1/4" | 1/2" | 3/32" | 30,000 | Aluminum Oxide | 0000000 | 0000 | |
No-Mess Polishing Bobs for Aluminum, Soft Metals, and Nonmetals
The silicon carbide abrasive cuts quickly with light pressure. It’s embedded in these bobs so you don’t need messy compounds. Polish small areas and hard-to-reach spots using a drill or grinder for bits and burs. Grit is approximate.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Shank Dia. | Max. Speed, rpm | Abrasive Material | Choose a Grit | Each | |
For Use On Aluminum, Brass, Bronze, Copper, Plastic, Rubber | |||||||
Cylinder with Flat Tip—Neoprene Rubber | |||||||
| 1/4" | 7/16" | 3/32" | 30,000 | Silicon Carbide | 0000000 | 00000 | |
| 1/2" | 3/4" | 1/8" | 4,500 | Silicon Carbide | 0000000 | 0000 | |
Cylinder with Rounded Tip—Neoprene Rubber | |||||||
| 3/16" | 7/16" | 3/32" | 30,000 | Silicon Carbide | 0000000 | 0000 | |
| 1/4" | 5/8" | 3/32" | 30,000 | Silicon Carbide | 0000000 | 0000 | |
| 3/8" | 5/8" | 1/8" | 4,500 | Silicon Carbide | 0000000 | 0000 | |
| 7/16" | 3/4" | 1/8" | 4,500 | Silicon Carbide | 0000000 | 0000 | |
Oval with Rounded Tip—Neoprene Rubber | |||||||
| 3/8" | 1" | 1/8" | 4,500 | Silicon Carbide | 0000000 | 0000 | |
| 9/16" | 11/16" | 1/8" | 4,500 | Silicon Carbide | 0000000 | 0000 | |
Tear Drop with Pointed Tip—Neoprene Rubber | |||||||
| 1/4" | 1/2" | 3/32" | 30,000 | Silicon Carbide | 0000000 | 0000 | |
Arbors for Rubber-Cushioned Abrasive Grinding Bits
Thread rubber-cushioned grinding bits onto one of these arbors and switch between bits without removing the arbor from your tool. Arbors are also known as mandrels.
For technical drawings and 3-D models, click on a part number.