The Core of the BENC Line
Cold heading dies form the head, shank and thread blank of screws and bolts in one press. We produce the complete master die package — insert dies, punches, and matched accessories — for standard and non-standard fasteners.
- Thread standards: Machine Screw 2A, UNC, UNF, JIS
- Size range: M1.0 – M33 (plus inch sizes #1 – 1-3/8")
- Precision grades: G4 – G9 per customer requirement
- Head types: Phillips, slotted, hexalobular, tamper, pozi
- Materials: tungsten carbide, HSS, powder steel
| Specification | Details |
|---|---|
| Product | Cold heading master dies, insert dies, forming punches |
| Standards | Machine Screw 2A / UNC / UNF / JIS, G4–G9 |
| Size range | M1.0–M33; inch #1–1-3/8" |
| Precision | Inner diameter 0.01 mm; concentricity 0.01 mm |
| Custom | Non-standard threads and head forms by drawing |