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high strength hex bolt, hex cap bolt, balck bolt
1. Surface:black oxide, phosphated,galvanized, Dacrotized2. Grade:4.8, 8.8, 10.9, 12.93. Material: mild steel, 45# steel, 40Cr, 42CrMo
4. Packing: standard neutral carton box fastened with palltet
5. Quality certificate:
6. Supply ability: 1000 tons per month
7. Selling points: reliable quality, very reasonable price and good service
What we can garantee:
(1) Produce as per your request
(2) Strict quality control
(3) very reasonable and competitive price
China fastener high strength hex bolt