YONGDING INDUSTRY CO.,LTD
fastener, nut, fasteneer, screw, washer, Manufacturer and Supplier - China(CN)
High strength washer (High strength washer)
STANDARD:F436,F436M,DIN6916--
SIZE£ºBritish System #3/8~3¡¨Metric £¨M5-M58£©
SURFACE:Black, Galvnized,HDG---
MATERIAL:Carbon steel,stainless steel,brass--