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Retention Knobs
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Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle. For proper operation, choose a knob that exactly matches your collet type and spindle dimensions. All meet industrial standards for tensile and shear strength. These knobs are also known as pull studs.
| Grip Angle | Projection | Head Dia. | Collar Dia. | Head-to-Flange Lg. | Flange Thick. | Torque Range | Material | Manufacturer | Manufacturer Model No. | Specifications Met | Each | |
BT 30 Taper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
M12 × 1.75 mm | ||||||||||||
| 30° | 0.906" | 0.433" | 0.492" | 0.709" | 0.2" | 16 ft.-lbs. to 18 ft.-lbs. | Steel | Lyndex Nikken | B30-6000 | JIS B 6339 | 0000000 | 000000 |