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Long-Life Burs
Inverted Cone
 |
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Double-Cut Tooth |
 |
Single-Cut Tooth |
Inverted cone burs are for inverted-angle holes and dovetailed slots.
Double-Cut Tooth—Double-cut tooth burs are for rapid metal removal with a coarser finish than single cut.
Single-Cut Tooth—Single-cut tooth burs are for gradual metal removal with a fine finish.
Head | Double-Cut Tooth (Medium Grit) | Single-Cut Tooth (Fine Grit) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shank Dia. | Dia. | Lg. | Tip Angle | Overall Lg. | Bur Trade No. | For Use On | Each | Each | ||||
Titanium Aluminum Nitride (TiAlN)-Coated Carbide | ||||||||||||
| 1/8" | 3/16" | 1/4" | 10° | 1 3/4" | SN-53 | Steel, Hardened Steel, Tool Steel, Stainless Steel, Titanium, Iron, Nickel | 4290A157 | 000000 | 4290A195 | 000000 | ||
Burs
Inverted Cone
|  |  |
Double-Cut Tooth | Single-Cut Tooth |
Inverted cone burs are for inverted-angle holes and dovetailed slots.
Carbide—Best for removing material from a variety of metals. These burs are harder, stronger, and more wear resistant than high-speed steel.
Double-Cut Tooth—Double-cut tooth burs are for rapid metal removal with a coarser finish than single cut.
Single-Cut Tooth—Single-cut tooth burs are for gradual metal removal with a fine finish.
