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                        Home   /   Bolts and Machine Screws - Metric

                         
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                        Bolts and Machine Screws - Metric

                        Presented on this page is our current range of metric threaded bolts and machine screws, to be used in conjunction with the equivalent metric sized nuts and washers. Westfield Fasteners carries stock of each size and type in our warehouse, ready for immediate despatch.

                        In the case of an M6 fastener, the 'M' signifies an ISO Metric thread and the '6' signifies the nominal diameter.

                        Our metric range of fasteners have the standard coarse pitch unless otherwise stated. A coarse pitch M6 bolt or screw will screw into any coarse pitch M6 nut.

                        • Each fastener table is accompanied by a product photograph and lists the materials and thread diameters available for each.
                        • Select the required material to highlight the available thread diameters. The page loads with standard A2 grade Stainless Steel preselected. Other materials are available where indicated. The material key to the right explains each available material type.
                        • Click the desired diameter to display a page listing the lengths available in this size, from which items can be added to your order.
                        Material Key
                        A1
                        A1 Stainless Steel - also known as grade 303. A general purpose grade of stainless steel but with better fabrication/machining properties than grade 304
                        A2
                        A2 Stainless Steel - also known as grade 304 or 18/8. A general purpose grade of stainless steel.
                        A4
                        A4 Stainless Steel - also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel.
                        A4-80
                        A4-80 Stainless Steel - identical corrosion resistance to A4-70 but with a higher tensile strength equivalent to that of 8.8 high tensile steel.
                        BO
                        Black oxide high tensile steel class 12+ - a high tensile non-stainless grade with a black oxide finish offering limited corrosion resistance
                        BRASS
                        Brass - offers an attractive, corrosion resistant finish.
                        BZP
                        Bright Zinc Plated (BZP) Steel - non-stainless standard steel grade offering a basic level of corrosion resistance.
                        BZP-10.9
                        Bright Zinc Plated (BZP) Class 10 high tensile steel - a high strength non-stainless grade for screws and bolts, with a basic level of corrosion resistance.
                        BZP-12.9
                        Bright Zinc Plated (BZP) high tensile steel class 12 - a higher tensile non-stainless grade for screws and bolts, with a basic level of corrosion resistance.
                        BZP-8.8
                        Bright Zinc Plated (BZP) Class 8 high tensile steel - the general purpose non-stainless grade for screws and bolts, with a basic level of corrosion resistance.
                        Duplex
                        Duplex Stainless Steel 1.4462 - a type of stainless steel, which has greater corrosion resistance than A4 / 316 and a high tensile strength of minimum 700 N/mm2. Also known as 318LN.
                        Nylon
                        Nylon (polyamide) - a tough lightweight plastic, tough at low temperaures, with excellent resistance to chemicals and features a favourable sliding friction behaviour.
                        PE-Blk
                        Poylethylene - has good barrier properties and good chemical resistance against, acid, greases and oil.
                        ZnFlk-10.9
                        Zinc Flake coated high tensile steel class 10 - a higher tensile non-stainless grade for screws and bolts. Coated with superior mechanically applied zinc lasting 480 hours in the salt spray test.
                        ZnFlk-12.9
                        Zinc Flake coated high tensile steel class 12 - a higher tensile non-stainless grade for screws and bolts. Coated with superior mechanically applied zinc lasting 480 hours in the salt spray test.

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