Collet Blocks | McMaster-Carr

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4 Products

5C Collet Block Chucks

Hex Block Chuck

Square Block Chuck

Lever Collet Closer

Ring

Install a 5C collet into one of these chucks to hold a workpiece for machining parallel or square edges and drilling crossholes. The included tightening ring closes and opens the collet.

Optional lever collet closer works with the tightening ring for faster closing and opening.

			For Collet Size
Shape	Lg.	Wd. Across Flats	Round	Square	Hexagon	Material		Each
Hex	2 3/4"	1 3/4"	3/64"-1 1/8"	1/8"-3/4"	1/8"-7/8"	Steel	0000000	0000000
Square	2 3/4"	1 3/4"	3/64"-1 1/8"	1/8"-3/4"	1/8"-7/8"	Steel	0000000	00000

Replacement Ring	0000000	Each	000000
Lever Collet Closer	0000000	Each	000000