






🔧 Upgrade your CNC game with precision and power!
The QWORK ER20 A Collet Clamping Nuts come in a 4-pack, made from hardened 40CR steel with a black oxide finish. Designed with M25 threading and a hexagonal shape, these nuts provide durable, precise clamping for ER20 tool holders, making them an essential replacement or upgrade for CNC milling and lathe tool setups.



| Thread Size | M 25 |
| Capacity | 25 Millimeters |
| Manufacturer | QWORK |
| UPC | 781380133464 |
| Part Number | WD4766 |
| Item Weight | 9.6 ounces |
| Package Dimensions | 4.8 x 4.21 x 1.22 inches |
| Item model number | WD4766 |
| Size | ER20-A |
| Color | 4 Pack |
| Finish | Powder Coated |
| Shape | Hexagonal |
| Item Package Quantity | 1 |
| Number Of Pieces | 4 |
| Head Style | Flat |
| Cutting Diameter | 25 Millimeters |
| Batteries Included? | No |
| Batteries Required? | No |