High Strength M10 ASTM A325M grade 8.8 zinc plated heavy hexagon bolt ASTM A325 structural bolts are heavy hex bolts made of medium carbon steel with a flat bearing surface, washer faced, and chamfered point. ... ادامه مطلب
High Strength Heavy Structural ASTM A490 Type 1 heavy hex bolt A490 covered two types of quenched and tempered, alloy steel heavy hex structural bolts having a tensile strength of 150 to 173 ksi. These bolts ... ادامه مطلب
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