| B1 Shaft Penetration, Hub Width | 11.9 mm |
| Bore Dia. | 11 mm |
| Bore Tolerance | +0.03 mm / -0.00 mm |
| Country of Origin (subject to change) | United States |
| Fastening Dimensions, Measurement Type | Metric |
| Finish, Screw Finish | Bright |
| Keyway (mm) | 4 mm |
| Material | 303 Stainless Steel |
| Max. RPM | 4500 RPM |
| Max. Temp. Range (F) | Rating determined by disk |
| Number of Screws | 2 ea 90? apart |
| Outside Dia. | 1.000 in (25.4 mm) |
| Overall Length | 1.125 in (28.6 mm) |
| Recommended Shaft Tolerance | +0.000 mm / -0.013 mm |
| Screw Material | 18-8 300 Series Stainless Steel |
| Screw Seating Torque | 1.76 Nm |
| Screw Type, Style | Set Screw with Keyway |
| Set Screw Size | M4 |
| Weight | 0.0761 lbs |