Available in the BT ER extension rod handle, can be used for clamping drill, milling Tool, straight tool. Performance stability, high accuracy durable and wear-resistant. holding force, wide clamping range. collets are widely used in boring, milling, drilling, tapping, grinding, and engraving, and so on. The methods of mounting the collet nut: Put the chuck into the pressure cap, gently turn the , when eccentric portion of the pressure cap recessed groove. Along the direction and equal force to push , can mount pressure cap. Put the and cap all installed on the chuck body or spindle. Insert into the clamping hole after wipe the cylindrical , a wrench to tighten the pressure cap, until clip firmly the tool before . (Note: Avoid fastening pressure cap not installed tool, to avoid damage the ) a wrench to loosen the pressure cap and took out the chuck or tool, remove the tool. Along the direction of the push out the . Then according to need replace other . Material: 45 steel Type: ER32 Length: 40mm Diameter: 33mm Accuracy: 0.015MM Inner diameter: 2 /4 /6 /8 /10 /12 /16 /18 /20mm colour: Silver Package Contents: 9pcs * Collets Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.