ASTM F436 hardened flat washer, to match A325 structure bolts, and A563 nuts
ASTM F436 hardened flat washer
| Delivery Time: | 30 DAYS |
| Package: | Bulk in 25kgs carton, then onto wooden pallets |
| Supply Ability: | 800 Metric Ton per Month |
| Model Number: | 1/4~4'' |
| Brand Name: | JL |
| Place of Origin: | Zhejiang China (Mainland) |