Description
72905030 ER40 Spring Collet 3mm — BOLTON SKU 65471.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. BOLTON sources technical equipment and components for defence, aerospace, UAV/UAS, MRO and industrial programmes across the UAE, Saudi Arabia and Australia.
Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable to your order).
ER40 is the largest of the commonly used ER collet sizes, and the collet compresses around a tool shank as the nut draws it into the holder’s taper, here gripping a 3 mm shank. Collets of this family are used in milling holders, tapping heads and workholding fixtures.





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