BIG Straight collet 20mm C42-20 1 piece

Catalogue number: C42-20 Features: ● Achieves the three elements of rigidity, precision, and gripping power. ● The thick design of the gripping section prevents vibration. ● Effective for end mill processing. ● The unique inner diameter slit mechanism securely tightens the chuck body, producing ideal gripping power and shrinkage allowance. Applications: ● For jig milling machines, horizontal boring machines (NC), and general-purpose milling machines. ● For gripping small-diameter straight shank cutting tools. Specifications: ● Shank outer diameter (mm): 42 ● Collet inner diameter (mm): 20 ● Compatible chuck: Milling chuck