Heavy Duty Expansion Bolts Screw Masonry Wall Anchor Bolts 304 Stainless M6-M12

⇒ Size classification: M6~M12. Expansion Screw Working Principle After Driving The Expansion Screw Into The Hole On The Ground Or Wall, Use A Wrench To Tighten The Nut On The Expansion Bolt. ⇒ Material: 304 stainless steel.

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