4.8 Grade Black Oxide Hexagon Nuts DIN934 GB6170 Carbon Steel Inch Size Nut UNC UNF BSW Thread Fastener 1/4" To 7/8"

High-concerned chemical : None Type : Hexagon Nuts Model Number : 1/4 5/16 3/8 7/16 to 7/8'' UNC UNF BSW is_d : Yes DIY Supplies : Metalworking Material : Carbon Steel Origin : Mainland China Certification : NONE Hign-concerned Chemical : None Type : Hexagon Nuts Model Number : 1/4 5/16 3/8 7/16 to 7/8'' UNC UNF BSW is_d : Yes DIY Supplies : Metalworking Material : Carbon Steel Origin : Mainland China Certification : None