Shank Router Bit Collet Extension HighSpeed Steel Lathe Accessory SL12.7（1/2）ER20

1、These clamps are used for 1/2in extension rods and accept 1/2in shank milling cutters for conversion and extension. 2、The extension rod eliminates the risk of pulling the shank out of the collet and extends the drill bit to provide a full depth of cut. 3、With easy to use first insert the collet into the cap then insert the milling cutter into the collet from the top of the nut then insert them into the rod together and finally rotate and fix it with a wrench. 4、With high accuracy and smooth cutting this tool has special impact resistance and good wear resistance. 5、The lathe clapimg allows to process products more efficiently which suitable for lathe processing.