| Diameter bearing/factory stock | 5-16 mm |
| Approved versions | 1.4571/1.4404 - 1.4362 6-14 mm |
| Blank cuts | 6-12 mm |
| Stock Lengths | chopped, sawed |
| Bent | beveled, rounded |
| Partial thread | coiled or cut |
| Welded | see welding tests |
Stainless steel ribbed bars are necessary: