Shape Shape | Show |
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 | Cone |
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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Tooth Style Tooth Style |
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 | Double Cut |
 | Single Cut |
 | Diamond Cut |
Tip Style Tip Style |
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 | Pointed |
Head Length Head Length |
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For Finish For Finish |
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Material Material |
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Trade Number Trade Number |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Individual/Set Individual/Set |
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 | Individual |
Shank Flexibility Shank Flexibility |
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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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Burs
Cone—For beveled edges and countersunk holes.
Double cut burs are for rapid metal removal with a coarser finish than single cut.
Single cut burs are for gradual metal removal with a fine finish.
For technical drawings and 3-D models, click on a part number.
Head | Double Cut (For Medium Finish) | Single Cut (For Fine Finish) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Shank Dia. | Dia. | Lg. | Tip Angle | Overall Lg. | Trade Number | For Use On | Each | Each | ||
Carbide | ||||||||||
| 1/8" | 1/8" | 1/16" | 90° | 1 1/2" | SK-42 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/8" | 1/8" | 3/32" | 60° | 1 1/2" | SJ-42 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 0000 | 00000000 | 0000 |
| 1/4" | 1/4" | 1/8" | 90° | 2" | SK-1 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 1/4" | 3/16" | 60° | 2" | SJ-1 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 3/8" | 3/16" | 90° | 2 1/16" | SK-3 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 3/8" | 5/16" | 60° | 2 3/16" | SJ-3 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 1/2" | 1/4" | 90° | 2 1/8" | SK-5 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 1/2" | 7/16" | 60° | 2 5/16" | SJ-5 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 5/8" | 9/16" | 60° | 2 3/16" | SJ-6 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 00000000 | 00000 | 000000000 | 00000 |
| 1/4" | 3/4" | 3/8" | 90° | 2 5/16" | SK-7 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 3/4" | 11/16" | 60° | 2 17/32" | SJ-7 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 00000000 | 00000 |
| 1/4" | 1" | 1/2" | 90° | 2 3/8" | SK-9 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 00000000 | 00000 | 000000000 | 00000 |
| 1/4" | 1" | 15/16" | 60° | 2 3/4" | SJ-9 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 00000000 | 00000 | 000000000 | 00000 |
Long-Life Burs
A titanium aluminum nitride (TiAlN) coating provides heat and wear resistance for longer life.
Cone—For beveled edges and countersunk holes.
Double cut burs are for rapid metal removal with a coarser finish than single cut.
Single cut burs are for gradual metal removal with a fine finish.
For technical drawings and 3-D models, click on a part number.
Head | Double Cut (For Medium Finish) | Single Cut (For Fine Finish) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Shank Dia. | Dia. | Lg. | Tip Angle | Overall Lg. | Trade Number | For Use On | Each | Each | ||
Titanium Aluminum Nitride (TiAlN)-Coated Carbide | ||||||||||
| 1/4" | 1/4" | 1/8" | 90° | 2" | SK-1T | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 000000 | 0000000 | 000000 |
| 1/4" | 1/4" | 3/16" | 60° | 2" | SJ-1T | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 0000000 | 00000 |
| 1/4" | 3/8" | 3/16" | 90° | 2 1/16" | SK-3T | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 0000000 | 00000 |
| 1/4" | 3/8" | 5/16" | 60° | 2 3/16" | SJ-3T | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 0000000 | 00000 |
| 1/4" | 1/2" | 1/4" | 90° | 2 1/8" | SK-5T | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 0000000 | 00000 |
| 1/4" | 1/2" | 7/16" | 60° | 2 5/16" | SJ-5T | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 0000000 | 00000 | 0000000 | 00000 |
Burs for Masonry, Ceramics, and Composites
Diamond-cut teeth effectively cut hard materials.
Cone—For beveled edges and countersunk holes.
For technical drawings and 3-D models, click on a part number.
Head | Diamond Cut (For Extra Fine Finish) | |||||||
|---|---|---|---|---|---|---|---|---|
| Shank Dia. | Dia. | Lg. | Tip Angle | Overall Lg. | Trade Number | For Use On | Each | |
Carbide | ||||||||
| 1/4" | 1/4" | 1/8" | 90° | 2" | SK-1DM | Ceramics, Brick, Stone, Concrete, Glass, Fiberglass, Carbon Fiber, Graphite | 00000000 | 000000 |
| 1/4" | 1/4" | 3/16" | 60° | 2" | SJ-1DM | Ceramics, Brick, Stone, Concrete, Glass, Fiberglass, Carbon Fiber, Graphite | 00000000 | 00000 |
| 1/4" | 3/8" | 3/16" | 90° | 1 15/16" | SK-3DM | Ceramics, Brick, Stone, Concrete, Glass, Fiberglass, Carbon Fiber, Graphite | 00000000 | 00000 |
| 1/4" | 3/8" | 5/16" | 60° | 2 1/16" | SJ-3DM | Ceramics, Brick, Stone, Concrete, Glass, Fiberglass, Carbon Fiber, Graphite | 00000000 | 00000 |
| 1/4" | 1/2" | 1/4" | 90° | 2" | SK-5DM | Ceramics, Brick, Stone, Concrete, Glass, Fiberglass, Carbon Fiber, Graphite | 00000000 | 00000 |
| 1/4" | 1/2" | 7/16" | 60° | 2 3/16" | SJ-5DM | Ceramics, Brick, Stone, Concrete, Glass, Fiberglass, Carbon Fiber, Graphite | 00000000 | 00000 |
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. | ||||||||||||
| 14 | 3/16" | 5/16" | 104,250 | B45 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 14 | 7/32" | 3/8" | 68,400 | B44 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
| 14 | 3/8" | 3/4" | 45,370 | B52 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
| 15 | 7/16" | 3/4" | 45,370 | B51 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
| 17 | 5/8" | 5/8" | 33,750 | B41 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 0000 | |
1/4" Shank Dia. | ||||||||||||
| 16 | 1 1/8" | 1 1/8" | 33,950 | A13 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 17 | 3/4" | 1 1/8" | 45,000 | A5 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 17 | 1 1/4" | 1 1/4" | 30,560 | A4 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
| 18 | 11/16" | 1 1/4" | 48,000 | A12 | Cone | Aluminum Oxide | Vitrified Clay | 1 1/2" | 5 | 00000000 | 00000 | |
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. | |||||||||||
| 4 | 3/8" | 3/4" | 81,000 | B52 | Cone | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 5 | 1/2" | 3/4" | 61,120 | B42 | Cone | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 0000 | |
| 8 | 11/16" | 1 1/4" | 48,000 | A12 | Cone | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 9 | 7/8" | 2" | 19,860 | A11 | Cone | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 10 | 1" | 2 3/4" | 16,100 | A3 | Cone | Aluminum Oxide | Rubber | 1 1/2" | 00000000 | 00000 | |
For Aluminum, Brass, Bronze | |||||||||||
1/4" Shank Dia. | |||||||||||
| 4 | 3/8" | 3/4" | 81,000 | B52 | Cone | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 5 | 1/2" | 3/4" | 61,120 | B42 | Cone | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 8 | 11/16" | 1 1/4" | 48,000 | A12 | Cone | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 9 | 7/8" | 2" | 19,860 | A11 | Cone | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
| 10 | 1" | 2 3/4" | 16,100 | A3 | Cone | Silicon Carbide | Rubber | 1 1/2" | 00000000 | 00000 | |
Rubber-Cushioned Abrasive Grinding Bits without Shank for Metals
Bits thread onto shanks so you can quickly switch head shapes without removing the shank. The abrasive grains are blended with rubber, which cushions during grinding to produce a smoother surface texture than other bits with similar grits.
Bits are silicon carbide, which cuts through soft metals without generating much heat or causing material buildup. 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.
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 | |||||||||||
| 5 | 3/4" | 1 1/8" | 45,000 | A5 | Cone | Aluminum Oxide | Vitrified Ceramic | 1 1/2" | 60 (Rough) Gray | 0000000 | 00000 |
| 6 | 11/16" | 1 1/4" | 48,000 | A12 | Cone | Aluminum Oxide | Vitrified Ceramic | 1 1/2" | 60 (Rough) Gray | 0000000 | 0000 |
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. | |||||||||
| 5 | 5/8" | 11/16" | 20,000 | Cone | Tungsten Carbide | 7/8" | 36 (Rough) Bronze | 0000000 | 000000 |
1/4"Shank Dia. | |||||||||
| 5 | 3/4" | 1" | 23,000 | Cone | Tungsten Carbide | 1" | 36 (Rough) Bronze | 0000000 | 00000 |
Dremel Grinding Stones
| Shape | Head Dia. | Shaft Dia. | For Manufacturer Model No. | Each | ||
| 2 | Cone | 3/8" | 1/8" | 100-N/7, 285, 3000-1/24, 3965-02, 4000-2/30, 7800-02, 8000, 8100-N/21, 8200 | 0000000 | 00000 |
| 2 | Cone | 5/8" | 1/8" | 752, 7700, 770, 780, 800, 8050-N/18, 8220-1/28, 275, 395, 398, 400, 4300, 100-N/7, 200, 285, 300, 3000-1/24, 3965-02, 4000-2/30, 7800-02, 8100-N/21, 8200 | 0000000 | 0000 |