- Supply TypeManufacturer, Exporter, Supplier, Retailer
- Preferred Buyer Location All over the world
an externally threaded fastener, with a trimmed, square shaped external wrenching head. used in applications where the use of power tools is impractical or undesirable. Offers greater bearing area for more positive gripping with a hand wrench. grade: ss 304 grade ss 316 high tensile gr. 8.8 / gr. 10.9 mild steel gr. 4.6 / gr.