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.
| Order No | ER16G-d | ER20G-d | ER25G-d | ER32G-d | ER40G-d |
| D | 16 | 20 | 25 | 32 | 40 |
| L | 27.5 | 31.5 | 34 | 40 | 46 |
| d | 3.5-8 | 3.5-10 | 3.5-16 | 3.5-20 | 3.5-25 |
| dxa | 3.5×2.7 | 4.0×3.0 | 4.5×3.4 | 5.5×4.3 | 6.0×4.9 | 7.0×5.5 |
| 8.0×6.2 | 9.0×7.0 | 10×8.0 | 11×9.0 | 12×9.0 | 14×11 | |
| 16×12 | 18×14.5 | 20×16 | 22×18 | 25×20 |
Optimized for high-rigidity tapping processes across automated CNC workshops.
Fit machining centers, tapping centers and milling lathes for mass precision threading.
Core coverage: aerospace, auto parts, mold manufacturing, hydraulic components & medical precision hardware.
Square anti-slip drive guarantees zero tap slippage, stable torque and superior thread finish for ferrous & non-ferrous metal machining.
Other Products
Used for boring, milling, drilling, tapping, grinding and engraving operationetc.
Type: EOC16B EOC20B EOC25B EOC32B EOC40B EOC50B This unit is used for boring,milling,drilling,tapping,grinding and engraving operation etc.
EOC nut has high rigidity,strong clamping force,convenient for engraving machine,spindle machine,extension shank,locking spring collet.
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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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