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  • Bolts
  • High-strength bolts are made of high-strength materials. The bolts, nuts and washers of high-strength bolts are made of high-strength steel. They are commonly used in No. 45 steel, 40-boron steel and 20-manganese-titanium-boron steel. Ordinary bolts are...  more
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    • 1 total member
    • Last updated Jul 11

Bolts

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