 
        Kennametal - BT40 Taper, M16x2 Thread, 90° Angle Radius, Standard Retention Knob - 2.3622" OAL, 0.5886" Knob Diam, 1-3/8" from Knob to Flange, 0.6689" Pilot Diam
Item #: 58518556
Brand: Kennametal
Model #: 1285441
Exact Tooling IR#: 04
Features and Benefits
 Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring. 
| Product Specifications | |
|---|---|
| Type | Standard | 
| Taper Size | BT40 | 
| Thread Size | M16x2 | 
| Angle Radius | 90.00 | 
| Knob Diameter (Decimal Inch) | 0.5886 | 
| Through Coolant | No | 
| Neck Diameter (Decimal Inch) | 0.3917 | 
| Pilot Diameter (Decimal Inch) | 0.6689 | 
| Overall Length (Decimal Inch) | 2.3622 | 
| Knob to Flange Length (Decimal Inch) | 1.3760 | 
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