 
        Seco - BT30 Taper, M12x1.75 Thread, 30° Angle Radius, Standard Retention Knob - 1.693" OAL, 0.433" Knob Diam, 29/32" from Knob to Flange, Through Coolant
Item #: 38379897
Brand: Seco
Model #: 03119891
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 | BT30 | 
| Thread Size | M12x1.75 | 
| Angle Radius | 30.00 | 
| Knob Diameter (Decimal Inch) | 0.4330 | 
| Through Coolant | Yes | 
| Neck Diameter (Decimal Inch) | 0.2760 | 
| Overall Length (Decimal Inch) | 1.6930 | 
| Knob to Flange Length (Decimal Inch) | 0.9060 | 
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