The VÖLKEL round die according to DIN 223 (DIN EN 22568) is made of high-quality HSS (High Speed Steel) and designed for precise cutting of valve threads according to DIN 7756. Valve threads (Vg) are special fine threads mainly used in tire valves and similar sealing applications. With its robust design, it is suitable for general use in non-abrasive materials up to 800 N/mm², especially unalloyed and low alloy steels.
Q1: What is a valve thread according to DIN 7756?
A1: A special fine-pitch thread mainly used in tire valves and similar applications. It ensures secure and tight connections.
Q2: What does DIN 223 (DIN EN 22568) specify?
A2: DIN 223 is the standard for round dies, defining sizes, tolerances, and designs for interchangeability and precision.
Q3: Which materials are suitable?
A3: Non-abrasive machinable materials up to 800 N/mm², especially unalloyed and low alloy steels.
Q4: Why HSS?
A4: High Speed Steel provides durability, heat resistance, and clean threading results.
Q5: Can this die be used manually?
A5: Yes, it can be used both with a hand die holder and with machines, as long as standards are respected.
Do you have specific questions about using this die or need advice on valve threads? We are happy to help! Contact us anytime via our contact form.
| Type of thread | Valve thread |
|---|---|
| Standard | DIN 223 (DIN EN 22568) |
| Form | solid version (Form B) |
| Material | HSS |
| Tolerance | medium |
| Size | Vg 5 x 36 |
| Outer diameter | 20.0 mm |
| EAN | 4022835793304 |
| Item number | 79330 |
| Thread standard | DIN 7756 |
| Rec. Bolt diameter | 5.05 mm |
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