【DEPENDABLE COMBINATION】-This CAT40 tool holder set comes with 4 collet chucks, which can offer stable performance to meet your various requirements and for your convenient replacement. Gage Length: 4”/100mm.

【DURABLE DESIGN】-High precision face mill holder is integrated for a single piece construction. The high-grade 40Cr frame ensures a better overall balance of tool holder assembly. Durable and long-lasting. Polished body to be smooth and rust-resistant.

【EXCELLENT PERFORMANCE】-Our CAT40 holder features high accuracy and high speed, sure to be your good helper of machining. Accuracy: 0.00012-0.0002 inch (0.003-0.005mm); Speed: 20000Rpm.

【SIMPLE OPERATION】-4 CAT40 precision collet chuck. Easy to use. Fully ground flange and V-groove says it is easy on tool changers for less spindle and changer maintenance.

【HIGHLY VERSATILE】This4-piece set CAT40 tool holder is quite popular in high-precision machining applications, such as drilling, milling, coolant thru, and high-speed applications.