Home / Brass Bolts and Machine Screws - Metric

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Brass 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.

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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.

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Fastener 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-10.9	Black Oxide High Tensile Steel Class 10.9 - A high tensile non-stainless grade with a black oxide finish offering limited corrosion resistance.
BO-12.9	Black Oxide High Tensile Steel Class 12.9 - 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) Class 12 High Tensile Steel - 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 high tensile 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	Plastic (Nylon Polyamide) - A tough lightweight plastic, strong at low temperatures, with excellent resistance to chemicals, and features favourable sliding friction behaviour.
PE-Blk	Plastic (Black Polyethylene) - Has good barrier properties and good chemical resistance against acid, greases, and oil.
PE-White	Plastic (White Polyethylene) - Has good barrier properties and good chemical resistance against acid, greases, and oil.
ZnFlk-10.9	Organic Zinc Flake Coated Class 10 High Tensile Steel - A higher tensile non-stainless grade for screws and bolts. Coated with superior mechanically applied zinc with corrosion resistance lasting 480 hours in the salt spray test.
ZnFlk-12.9	Organic Zinc Flake Coated Class 12 High Tensile Steel - A higher tensile non-stainless grade for screws and bolts. Coated with superior mechanically applied zinc with corrosion resistance lasting 480 hours in the salt spray test.

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Hex Head Setscrews DIN 933 (ISO 4017) in Brass

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Hex Head Setscrews DIN 933 (ISO 4017) in Brass

Commonly referred to as a setscrew or simply as a bolt. The fully threaded DIN 933 or ISO 4017 should not be confused with its DIN 931 equivalent. A standard spanner or ratchet is typically used to fit this product. Used for decades on all types of assembly throughout the world. As with the DIN 931 hex bolt, the hex drive allows a higher torque to be applied. All parts are to DIN 933 except where shown otherwise. The alternative standard ISO 4017 specifies differences in head dimensions for M10, M12 and M14 thread diameters from DIN 933. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.

Brass

Slotted Pan Head Machine Screws DIN 85 in Brass

image chamfer for Slotted Pan Head Machine Screws DIN 85

Slotted Pan Head Machine Screws DIN 85 in Brass

Similar to DIN 84, but with a larger head diameter and a slightly different head profile. Manufactured to ISO 1580 or DIN 85. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.

Brass

Slotted Raised Countersunk Machine Screws DIN 964 in Brass

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Slotted Raised Countersunk Machine Screws DIN 964 in Brass

A raised countersunk headed screw offering an attractive finish. Always fully threaded, and includes an old style slot drive for fitting.

Brass

Slotted Countersunk Machine Screws DIN 963 in Brass

image chamfer for Slotted Countersunk Machine Screws DIN 963

Slotted Countersunk Machine Screws DIN 963 in Brass

A slot drive, countersunk headed screw, typically used in conjunction with a countersunk hole which provides a flush, snag free fit.

Brass

M2.5

Slotted Cheese Head Machine Screws DIN 84 in Brass

image chamfer for Slotted Cheese Head Machine Screws DIN 84

Slotted Cheese Head Machine Screws DIN 84 in Brass

A machine screw with a traditional slot drive and a flat topped near cylindrical shaped head. Manufactured to ISO 1207 or DIN 84. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.

Brass

M2.5

M3.5

Coach Bolts DIN 603 in Brass

Coach Bolts DIN 603 in Brass

Generally used in timber to timber and timber to metal construction, these bolts incorporate a square neck to grip the hole in the timber when fitting, and therefore negates the need for any drive recess to be included on top of the head. Supplied to DIN 603. Please note that thread lengths stated are a minimum; In some cases a full thread will be supplied where a partial threaded shank is indicated in the specification. Nuts are supplied seperately, unlike the mild steel versions available elsewhere on the site.

Brass

Threaded Rod DIN 975 in Brass

Threaded Rod DIN 975 in Brass

Flexible usage threaded bar or threaded rod, also known as Studding. Manufactured to DIN 975. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.

Brass

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