Ultra-Precision ER Collet Nuts and Wrenches
- used in applications where speeds exceed 10,000 PRM
- balanced to G2.5 for 20,000 RPM's
- used on collet holders and multi-spindle heads where center or shoulder distances are critical.
ER20A Hex Nut
ER20M Mini Nut
ER20M Castle Wrench
- Steel : SCM430
- H.R.C. 38-42
- Surface Roughness: Ra 1.6um
- Deburred & free of sharp edges & corners
Type | OD | Length | Thread | Max. Torque |
---|---|---|---|---|
ER 11 Hex Nut | 19mm | 12mm | M14 x 0.75 | 18 ft/lbs. (24 N-m) |
ER 11 Mini Nut | 16mm | 12mm | M13 x 0.75 | 12 ft/lbs. (16 N-m) |
ER 16 Hex Nut | 28mm | 17mm | M22 x 1.5 | 41 ft/lbs. (56 N-m) |
ER 16 Mini Nut | 22mm | 18mm | M19 x 1.0 | 18 ft/lbs. (24 N-m) |
ER 20 Hex Nut | 34mm | 19mm | M25 x 1.5 | 59 ft/lbs. (80 N-m) |
ER 20 Mini Nut | 28mm | 19.5mm | M24 x 1.0 | 21 ft/lbs. (28 N-m) |
ER 25 Hex/UM Slotted | 42mm | 20mm | M32 x 1.5 | 77 ft/lbs. (104 N-m) |
ER 25 Mini Nut | 35mm | 21mm | M30 x 1.0 | 24 ft/lbs. (32 N-m) |
Description | Reviews | Part Number | Price | |
---|---|---|---|---|
ER-11A Collet clamping hex nut, M14 x 0.75 | ERPG-ER11A-NUT |
$19.95 |
ER-11A 17mm Hex wrench (for ER-11A, ER11UM Collet clamping nut) | ERPG-ER11A-SPN |
$11.95 |
ER-11 High Speed Collet mini-nut, M13 x 0.75 | ERPG-ER11M-NUT |
$19.95 |
ER-11M Castle wrench (for ER-11M Collet mini-nut, and tool-holder) | ERPG-ER11M-SPN |
$19.95 |
ER-16A High Speed Collet hex nut, M22 X 1.5 | ERPG-ER16A-NUT |
$19.95 |
ER-16 High Speed Collet mini-nut, M19 x 1.0 | ERPG-ER16M-NUT |
$19.95 |
ER-16M Castle wrench (for ER-16M Collet mini-nut, tool-holder and collet adapter) | ERPG-ER16M-SPN |
$19.95 |
ER-20A High Speed Collet hex nut, M25 X 1.5 | ERPG-ER20A-NUT |
$19.95 |
ER-20A Hex wrench (for ER-20A Collet nut) | ERPG-ER20A-SPN |
$14.00 |
ER-20 High Speed Collet mini-nut, M24 X 1.0 | ERPG-ER20M-NUT |
$19.95 |
ER-20M Castle wrench (for ER-20M Collet mini-nut) | ERPG-ER20M-SPN |
$19.95 |
ER-25 High Speed Collet mini-nut, M30 X 1.0 | ERPG-ER25M-NUT |
$19.95 |
ER-25M Castle wrench (for ER-25 Collet mini-nut) | ERPG-ER25M-SPN |
$19.95 |
ER-32UM toothed spanner wrench (for ER-32UM Collet nut) | ERPG-ER32UM-SPN |
$19.95 |