Tight Clamping Force The angled slot ensures tight clamping force and prevents dust and iron filings from entering, thereby avoiding the accuracy of the chuck being affected. Premium Spring Steel Our collet set is constructed of hardened, precision-ground high-grade 45# steel for durability, with a rust-resistant finish. High Accuracy Collets The holding force of this high-precision spring collet is better than that of the ordinary one, and the accuracy can be controlled within 0.0005".

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