Filter by
Grip Angle
Machine Taper Number
Head Diameter
Shank Type
Thread Size
Flange Thickness
Head-to-Flange Length
DFARS Specialty Metals
Export Control Classification Number (ECCN)
REACH
RoHS
Maximum Torque
Torque
Collar Diameter
Projection
Retention Knobs
Knob with Coolant Hole
Knob with Coolant Hole
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.
Knobs with a coolant hole let coolant flow through to protect your tools and workpiece.
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. | ID | Torque Range | Material | Features | Manufacturer | Manufacturer Model No. | Specifications Met | Each | |
BT 40 Taper | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M16 × 2 mm | ||||||||||||||
| 45° | 1.378" | 0.591" | 0.669" | 1.102" | 0.24" | 0.181" | 44 ft.-lbs. to 59 ft.-lbs. | Steel | Coolant Hole | Lyndex Nikken | B40-4500(H) | JIS B 6339 | 0000000 | 000000 |