The VÖLKEL round die according to DIN 223 (DIN EN 22568) is made of high-quality HSS (High-Speed Steel) and designed for cutting BSC 9/16 x 20 left-hand threads according to BS 811. Left-hand threads are typically used on left bicycle pedals to avoid loosening during riding. Its robust construction makes it suitable for general use on non-abrasive materials up to 800 N/mm², especially unalloyed and low-alloyed steels.
Q1: What does LH mean?
A1: LH stands for Left-Hand thread, commonly used on left pedals to prevent loosening while riding.
Q2: What does DIN 223 specify?
A2: DIN 223 (DIN EN 22568) is the standard for round dies, covering dimensions, tolerances, and designs.
Q3: Which materials are suitable?
A3: Non-abrasive steels up to 800 N/mm², especially unalloyed and low-alloyed steels.
Q4: Why HSS?
A4: HSS ensures durability, precision, and resistance to high temperatures.
Q5: Can I use the die by hand?
A5: Yes, with a die stock manually or in machines, using proper lubrication and alignment.
Do you have questions about cutting left-hand bicycle threads or need advice on thread tools? We’re happy to help! Contact us anytime via our contact form.
| Type of thread | British Cycle Thread |
|---|---|
| Standard | DIN 223 (DIN EN 22568) |
| Form | solid version (Form B) |
| Material | HSS |
| Tolerance | medium |
| Size | BSC 9/16 x 20 LH |
| Outer diameter | 38.0 mm |
| EAN | 4022835793243 |
| Item number | 79324 |
| Thread standard | BS 811 |
| Rec. Bolt diameter | 14.14 mm |
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