| Standard | DIN7337A |
| Diameter | 2.4-6 |
| Body Length | 6-25 |
| Head type | Dome head, CSK head, large flange head, etc. |
| Material | Aluminum (5050,5154)/ steel/ stainless steel |
| Surface treatment | Baking finish, Zinc plating, Nickel plating, Dacromet |
| Package | Plastic bag, Boxes and cartons, Pallets, Customized |
| Price terms | EXW, FOB, CIF, etc. |
| Payment terms | T/T, Paypal, L/C, Western union, etc. |
| Certifications | ISO 9001:2015 |
| Note | Free sample but freight cost is paid by customers(when sample is in stock); Sample fee(when samples need to be customized) |



| Nominal Diameter | Φ2.4 | Φ3 | Φ3.2 | Φ4 | Φ4.8 | Φ5 | Φ6 | Φ6.4 | |
| d | |||||||||
| d | max | 2.48 | 3.08 | 3.28 | 4.08 | 4.88 | 5.08 | 6.08 | 6.48 |
| min | 2.25 | 2.85 | 3.05 | 3.85 | 4.65 | 4.85 | 5.85 | 6.25 | |
| dk | max | 5 | 6.3 | 6.7 | 8.4 | 10.1 | 10.5 | 12.6 | 13.4 |
| min | 4.2 | 5.4 | 5.8 | 6.9 | 8.3 | 8.7 | 10.8 | 11.6 | |
| k | max | 1 | 1.3 | 1.3 | 1.7 | 2 | 2.1 | 2.5 | 2.7 |
| d1 | max | 1.55 | 2 | 2 | 2.45 | 2.95 | 2.95 | 3.4 | 3.9 |
| L1 | min | 25 | 25 | 25 | 27 | 27 | 27 | 27 | 27 |
| b | max | L(max)+3.5 | L(max)+3.5 | L(max)+4 | L(max)+4 | L(max)+4.5 | L(max)+4.5 | L(max)+5 | L(max)+5.5 |