The VÖLKEL Round Die UNF 9/16 x 18 made of high-speed steel (HSS) is designed for precision external thread cutting in workshop and assembly operations. It ensures a clean thread start, reliable chip formation, and dimensional accuracy – ideal for maintenance, repair, and small batch production.
Advantages:
Which materials can I use this die for?
Suitable for machinable, non-abrasive materials up to 800 N/mm², such as unalloyed and low-alloy steels.
Which standards apply?
Thread according to ANSI B 1.1 (UNF); die according to BS 1127; 1950.
What die holder do I need?
Use a die holder with an outer diameter of 1.5/16 (o/d).
Should I use cutting oil?
Yes, lubrication improves cutting performance, surface finish, and tool life.
Where can I find detailed technical data?
See the Technical Information PDF.
Questions about selection or use? Our team is happy to assist – use the contact form.
| Type of thread | Unified Fine Thread |
|---|---|
| Standard | BS 1127; 1950 |
| Form | splitted version (Form A) |
| Material | HSS |
| Tolerance | 2A |
| Size | UNF 9/16 x 18 |
| Overall length (L1) | 7/16 Width |
| Outer diameter | 1.5/16 |
| EAN | 4022835830351 |
| Item number | 83035 |
| Thread standard | ANSI B1.1 |
| Rec. Bolt diameter | 14.14 mm |
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