BZP Mild Steel Square bolt (C bolt). BZP - Bright Zinc Plated. M12 - 70 70 MM 70 70 MM 12 MM 72 MM 106 MM 36 MM 84 MM. M10 - 40 40 MM 40 40 MM 10 MM 41 MM 70 MM 30 MM 51 MM. Ideally suited for use with standard rectangular hollow section, but of course will have many uses.
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