Retention Knob (Pull Stud)

Precision-ground to ISO-standard pulls, with consistent engagement force and retraction reliability—our Retention Knobs (Pull Studs) ensure secure tool clamping across high-speed machining environments. Compatible with BT, CAT, SK, DIN2080, NT, and HSK interfaces, they offer dependable performance where minimal variation matters.

Why Choose Our Retention Knobs (Pull Studs)?

• Accurate Interface. Crafted to ISO taper specifications for consistent seating and secure tool retention.
• Secure Engagement. Robust design with precision threads and critical dimensions to minimize slippage under heavy spindle pull forces.
• Broad Compatibility. Available for BT30/40/50, CAT40/50, SK30/40/50, DIN2080‑40/50, NT30/40/50, and HSK‑A interfaces.
• Multiple Length Options. Offered in adjustable lengths to suit different machine pull‑stud configurations and clamping systems.