Toolmex 7-171-456 ER40 Self-Releasing Spring Collet 17/32″

Description

• Concentricity guaranteed to 0.0004″
• Wide holding range of each collet requires fewer collets and changes
• ER Collets collapse approximately 1/32″ while maintaining full accuracy
• Unique self-releasing system eliminates sticking
• ER Mini-Collet Chucks allow for machining in tight locations with reduced outside nose diameter