Collis Toolholder Corp.

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Collis Toolholder Corp. designs, manufactures, and distributes a full spectrum of tool holders for metal‑working applications. The portfolio includes coolant‑gland and coolant‑through holders, as well as balanced and hydraulic variants. The company also focuses on AT3, V‑flange, BT, NMTB and R‑8 Bridgeport holders, together with collets and specialized tooling for aerospace and automotive sectors. Additional offerings comprise tool holder bushings, split sleeves, drill and mill chucks, quick‑change mechanisms, solid, tension or compression tooling systems, adapters, locking fixtures, non‑adjustable spanner wrenches, collet nuts, spanner wrenches, boring bar blanks, ball‑bearing nuts, retention knobs, drill keys, and both shrink‑fit and floating holders.

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