915 Generation 9pcs Spring Collet for Engraving Machine 2/4/6/8/10/12/16/18

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.
Spiral 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 clamp spring, when eccentric portion of the pressure cap recessed clamp spring groove. Along the direction and use force to clamp spring, can mount pressure cap.
Put the clamp spring and cap all installed on the chuck body or spindle. Insert into the clamping hole after wipe the cylindrical , use a wrench to tighten the pressure cap, until clip firmly the tool use.
(Note: Avoid fastening pressure cap that not installed tool, to avoid damage the clamp spring)
Use a wrench to loosen the pressure cap and took out the chuck or tool, remove the tool. Along the direction of the out the clamp spring. Then according to need replace other clamp spring.
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 are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.