ERG Tapping Collet

Material: 65Mn

Hardness: HRC44-48

Usage: Workholding

Package: Plastic Box

Type: ERG40 ERG32 ERG25 ERG20 ERG16 collet




Product Details

ERG Collets

1. Rigid tapping chuck, rely on the quartet to prevent the tap slip 

2. Used for ordinary ER type tool shanks, also can be used on the special tool shanks



Mounting instruction for ER collets and nuts

1. Put the  collet into the nut, tum the collet sighly, pust it into the nut at ghe offered direction evenly, When the offset flange into the undercut of the collet.

2. Fix the nut and the collet on the spindle rotate the nut until the collet is in pressing. Wipe the straight shank of cutter, and insert it into the pilot hole, Tighten the unt with a wrench till the cutter is clamped heavily (Caution: never tighten the nut without cutter in it for it will break).

3. When changing the tool, Loosen the nut and it shall bring out the collet and the cuter together, and then draw the cuter out push out slightly the collet in the offered direction, it shall be ready for any change of the cutter.


ERG Tapping Collet

Order NoER16G-dER20G-dER25G-dER32G-dER40G-d
D1620253240
L27.531.5344046
d3.5-83.5-103.5-163.5-203.5-25
dxa3.5×2.74.0×3.04.5×3.45.5×4.36.0×4.97.0×5.5
8.0×6.29.0×7.010×8.011×9.012×9.014×11
16×1218×14.520×1622×1825×20


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Contact Us

Contact Us

Tel: +86 534 425 1888

Mob/WhatsApp/Wechat: +86 137 9138 1619

E-mail: jacksun@ht-tools.net

Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100

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