Square nut DIN557
- Product description:Square mother, hardware equipment, fastening accessories. It is square in shape with internal thread and can be used with bolt. It is also called square nut,
Square nut DIN557
Material: stainless steel 304316, grade 8.8 high strength and grade 12.9 high strength
Product standard:DIN557
It can also support non-standard customization.
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