ER 20 Straight Shank Holders
ER-20 Collet Extensions
- Crafted from heat treated alloy steel
- Available with round or flatted shank
- Supplied with collet nut
![](http://calibertooling.com/cdn/shop/t/2/assets/ershank20.jpg?v=171714298310783811521591200097)
Collet Series | Shank Dia D | Shank Length C | Nut Dia A | Nut Length B | Nut Type | Shank Type | Part Number | Thread of Nut | Collet Nut Part Number | Wrench Part Number |
ER20 | 0.750 | 2.50 | 1.10 | 0.75 | Mini | Round | S-E20R07-25N-R | M24X1 | CN-ER20MN-V | WR-ER20MN |
ER20 | 0.750 | 2.50 | 1.34 | 0.75 | Hex | Round | S-E20R07-25H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 0.750 | 2.50 | 1.34 | 0.75 | Hex | Flatted | S-E20F07-25H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 0.750 | 4.00 | 1.10 | 0.75 | Mini | Round | S-E20R07-40N-R | M24X1 | CN-ER20MN-V | WR-ER20MN |
ER20 | 0.750 | 4.00 | 1.34 | 0.75 | Hex | Round | S-E20R07-40H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 0.750 | 6.00 | 1.34 | 0.75 | Hex | Round | S-E20R07-60H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 0.750 | 6.00 | 1.34 | 0.75 | Hex | Flatted | S-E20F07-60H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 1.00 | 2.50 | 1.34 | 0.75 | Hex | Round | S-E20R10-25H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 1.00 | 4.00 | 1.34 | 0.75 | Hex | Round | S-E20R10-40H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |
ER20 | 1.00 | 5.20 | 1.10 | 0.75 | Mini | Round | S-E20R10-52N-R | M24X1 | CN-ER20MN-V | WR-ER20MN |
ER20 | 1.00 | 6.00 | 1.34 | 0.75 | Hex | Round | S-E20R10-60H-R | M25X1.5 | CN-ER20H-K | WR-ER20H |