Fastener Material Key
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A2 Stainless Steel - Also known as grade 304 or 18/8. A general purpose grade of stainless steel. |
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A4 Stainless Steel - Also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel. |
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Bright Zinc Plated (BZP) Steel - Non-stainless standard steel grade offering a basic level of corrosion resistance. |
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Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel - Equivalent to ISO class 8, a general purpose high tensile grade with a basic level of corrosion resistance. |
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Through (Thru) Hardened Bright Zinc Plated Steel - Carburised or through hardened washer in Bright Zinc Plate finish that has been treated to improve strength. |
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Mechanically Plated Zinc Steel - Mechanically applied zinc plating, useful to help prevent hydrogen embrittlement. |
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Organic Zinc Flake Coated Steel - Steel parts coated with superior mechanically applied zinc with corrosion resistance lasting 480 hours in the salt spray test. |