Fastener Material Key
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A1 Stainless Steel - Also known as grade 303. A general purpose grade of stainless steel but with better fabrication/machining properties than grade 304. |
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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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Brass - Offers an attractive, corrosion resistant finish. |
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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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Plastic (Nylon Polyamide) - A tough lightweight plastic, strong at low temperatures, with excellent resistance to chemicals, and features favourable sliding friction behaviour. |