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Machine Taper Number
Manufacturer Model Number
System of Measurement
Grip Angle
Thread Size
Shank Type
Collar Diameter
Flange Thickness
DFARS Specialty Metals
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REACH
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Torque
Maximum Torque
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Head-to-Flange Length
Projection
Retention Knobs

Knob

Knob
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.
For technical drawings and 3-D models, click on a part number.
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 | ||||||||||||
45° | 0.906" | 0.433" | 0.492" | 0.709" | 0.2" | 16 ft.-lbs. to 18 ft.-lbs. | Steel | Lyndex Nikken | B30-4500 | JIS B 6339 | 0000000 | 000000 |