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Arbor Hole
Toolroom Grinding Wheel Adapters
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Use these adapters to mount toolroom grinding wheels to most surface grinders. Adapters consist of a hub, nut, and lock washer.
Left-Hand Internal Thread | Right-Hand Internal Thread | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Arbor Hole Dia. | For Wheel Thk. Range | For Spindle Taper Dia. | Taper per In. | Internal Thread Size | Dia. | Material | Each | Each | |||
| 1 1/4" | 1/4" to 1/2" | 1" | 0.25" | 0.984"-16 | 2 1/4" | Steel | 43745A21 | 000000 | 43745A22 | 0000000 | |
| 1 1/4" | 1/2" to 3/4" | 1" | 0.25" | 0.984"-16 | 2 1/4" | Steel | 43745A23 | 000000 | 43745A24 | 000000 | |
| 1 1/4" | 3/4" to 1" | 1" | 0.25" | 0.984"-16 | 2 1/4" | Steel | 43745A25 | 000000 | 43745A26 | 000000 | |
Bench and Surface Grinder Cutoff Wheels for Hard Metal
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Side View |
Made with boron nitride, second only in hardness to diamond, these wheels are highly wear resistant, so they easily cut steel with a Rockwell hardness of C50 or greater, including alloy steel, A2, D2, and T15 tool steel. While these wheels are not as hard as wheels made with diamond, they dissipate heat better.
Warning: Use wheels that have a greater rpm rating than the no-load rpm of your tool.
Grinding Wheel | Material | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thk. | Arbor Hole Size | Max. Rotation Speed, rpm | Designation | Shape | Abrasive | Body | For Use On | Grit | Each | |||
6" Diameter | ||||||||||||
| 1/32" | 1 1/4" | 6,045 | Type 1 | Straight | Boron Nitride | Steel | Hastelloy Nickel, Inconel Nickel, Tool Steel | 100 | 4734N11 | 0000000 | ||
| 3/64" | 1 1/4" | 6,045 | Type 1 | Straight | Boron Nitride | Steel | Hastelloy Nickel, Inconel Nickel, Tool Steel | 100 | 4734N12 | 000000 | ||
8" Diameter | ||||||||||||
| 3/64" | 1 1/4" | 4,535 | Type 1 | Straight | Boron Nitride | Steel | Hastelloy Nickel, Inconel Nickel, Tool Steel | 100 | 4734N13 | 000000 | ||
10" Diameter | ||||||||||||
| 3/64" | 1 1/4" | 3,625 | Type 1 | Straight | Boron Nitride | Steel | Hastelloy Nickel, Inconel Nickel, Tool Steel | 100 | 4734N14 | 000000 | ||
Grinding Wheel Segments for Surface Grinders
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Lg. | Wd. | Thk. | Abrasive Material | Abrasive Bond Material | Grinding Wheel Designation | Grit (Surface Texture) | Norton Abrasive Grade | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
53A Gray | |||||||||||
For Brass, Bronze, Iron, and Tool Steel | |||||||||||
| 6" | 5" | 1 1/2" | Aluminum Oxide | Vitrified Clay | Type 31 | 30 (Rough) | E | 4926N11 | 000000 | ||
| 6" | 11 1/4" | 2 1/4" | Aluminum Oxide | Vitrified Clay | Type 31 | 30 (Rough) | E | 4926N12 | 00000 | ||
| 8" | 11 1/4" | 2 1/4" | Aluminum Oxide | Vitrified Clay | Type 31 | 30 (Rough) | E | 4926N13 | 00000 | ||
| 8" | 11 1/4" | 3" | Aluminum Oxide | Vitrified Clay | Type 31 | 30 (Rough) | E | 4926N14 | 000000 | ||
