Iscar - BT30 Taper, M12x1.75 Thread, 45° Angle Radius, Standard Retention Knob - 1.6929" OAL, 0.4331" Knob Diam, 0.9055" from Knob to Flange, 0.1181" Coolant Hole, Through Coolant
Item #: 89681183
Brand: Iscar
Model #: 4504988
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 | 45.00 |
| Knob Diameter (Decimal Inch) | 0.4331 |
| Through Coolant | Yes |
| Neck Diameter (Decimal Inch) | 0.2756 |
| Overall Length (Decimal Inch) | 1.6929 |
| Knob to Flange Length (Decimal Inch) | 0.9055 |
| Coolant Hole Diameter (Decimal Inch) | 0.1181 |
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