Min. Order Reference FOB Price
100 KG US$3.50-6.50 / KG
Product Description
Bolt for Tunnel Support Product Overview Galvanized Left Hand Thread Rock Bolt High Strength Mining Anchor Bolt for Tunnel Support Application Production name Round head Guardrail bolt Standard ASTM AISI DIN Material Stainless Steel: SS304, SS316, SS316L,SS410,SS321,904L, S31803, ...