- ZHUHAI JIALI HARDWARE CO.,LTD.
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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.
