สถานที่กำเนิด
Jiangsu, China
Name
Stainless Steel Nylon Insert Butterfly Nut Wing Lock Nut
Length
1/4''~4''; 6MM-100MM;
Grade
A2 a4, grade 4.8, 5.8, 6.8, 8.8,
Material
Carbon steel,alloy steel ,Stainless steel 304, Stainless steel , A2 A4
Standard
DIN,DIN,ASME,ASNI,ISO
Surface
Black,Zinc plated( blue/white/yellow), polished