17 Pack MT3 ER-40 Set Spring Collet Chuck 1/2"-20 Thread 0.0005" With Case

17 Pack MT3 ER-40 Spring Collet Chuck Set with Case

High-precision 17 pack MT3 ER-40 spring collet chuck set with 1/2"-20 thread for secure tool holding.

• Includes 17 collets for versatile machining applications
• Fits MT3 spindle taper for reliable tool alignment
• 1/2"-20 threaded chuck ensures tight, stable grip
• Comes with a durable case for organized storage
• This is an aftermarket part, not an OEM product

Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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