Special Offers
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6.3 X 25 Hex Head Self Drilling Screw DIN 7504-K A2 Stainless Steel
In stockRRP From £11.21 -
M8 Flat Washer, Form A DIN 125-A A2 Stainless Steel
In stockRRP From £2.69 -
M8 Nylon Insert Nut DIN 985 A2 Stainless Steel
In stockRRP From £3.23 -
M10 Hexagon Full Nut DIN 934 A2 Stainless Steel
In stockRRP From £3.99
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M18 Flat Washer, Form B BS 4320-B A2 Stainless Steel
In stockThis M18 Form A flat washer is manufactured to BS 4320-B in A2 stainless steel (304 grade). BS 4320-B specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £7.70RRP From £7.70 -
M18 Flat Washer, Form B BS 4320-B A4 Stainless Steel
In stockThis M18 Form A flat washer is manufactured to BS 4320-B in A4 stainless steel (316 grade). BS 4320-B specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £33.13RRP From £33.13 -
M18 Flat Washer, Form A ISO 7089 A4 Stainless Steel
In stockThis M18 Form A flat washer is manufactured to ISO 7089 in A4 stainless steel (316 grade). ISO 7089 specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £16.15RRP From £16.15 -
M18 Flat Washer, Form A DIN 125-A A2 Stainless Steel
In stockThis M18 Form A flat washer is manufactured to DIN 125-A in A2 stainless steel (304 grade). DIN 125-A specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £6.84RRP From £6.84 -
M18 Flat Washer, Form A ISO 7089 A2 Stainless Steel
In stockThis M18 Form A flat washer is manufactured to ISO 7089 in A2 stainless steel (304 grade). ISO 7089 specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £19.85RRP From £19.85 -
M18 Flat Washer DIN 9021 A2 Stainless Steel
In stockThis M18 penny washer is manufactured to DIN 9021 in A2 stainless steel (304 grade). DIN 9021 specifies a flat washer with an outside diameter substantially larger than the normal series, for spreading load across soft...RRP From £13.60RRP From £13.60 -
M18 Flat Washer DIN 9021 A4 Stainless Steel
In stockThis M18 penny washer is manufactured to DIN 9021 in A4 stainless steel (316 grade). DIN 9021 specifies a flat washer with an outside diameter substantially larger than the normal series, for spreading load across soft...RRP From £15.47RRP From £15.47 -
M18 Flat Washer, Form A DIN 125-A A4 Stainless Steel
In stockThis M18 Form A flat washer is manufactured to DIN 125-A in A4 stainless steel (316 grade). DIN 125-A specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £9.45RRP From £9.45 -
M18 Flat Washer DIN 433 A2 Stainless Steel
Out of stockThis M18 small series flat washer is manufactured to DIN 433 in A2 stainless steel (304 grade). DIN 433 specifies a flat washer with a reduced outside diameter compared with the normal series, for confined spaces...RRP From £17.89RRP From £17.89 -
M16 Flat Washer, Form C BS 4320-C A2 Stainless Steel
In stockThis M16 Form A flat washer is manufactured to BS 4320-C in A2 stainless steel (304 grade). BS 4320-C specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £3.95RRP From £3.95 -
M16 Flat Washer, Form C BS 4320-C A4 Stainless Steel
In stockThis M16 Form A flat washer is manufactured to BS 4320-C in A4 stainless steel (316 grade). BS 4320-C specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £6.98RRP From £6.98 -
M16 Flat Washer, Form B DIN 125-B A4 Stainless Steel
In stockThis M16 Form A flat washer is manufactured to DIN 125-B in A4 stainless steel (316 grade). DIN 125-B specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £5.02RRP From £5.02 -
M16 Flat Washer, Form A ISO 7089 A4 Stainless Steel
In stockThis M16 Form A flat washer is manufactured to ISO 7089 in A4 stainless steel (316 grade). ISO 7089 specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £10.77RRP From £10.77 -
M16 Flat Washer, Form A ISO 7089 A2 Stainless Steel
In stockThis M16 Form A flat washer is manufactured to ISO 7089 in A2 stainless steel (304 grade). ISO 7089 specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £17.62RRP From £17.62 -
M16 Flat Washer, Form B BS 4320-B A2 Stainless Steel
In stockThis M16 Form A flat washer is manufactured to BS 4320-B in A2 stainless steel (304 grade). BS 4320-B specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £2.98RRP From £2.98 -
M16 Flat Washer DIN 9021 A4 Stainless Steel
In stockThis M16 penny washer is manufactured to DIN 9021 in A4 stainless steel (316 grade). DIN 9021 specifies a flat washer with an outside diameter substantially larger than the normal series, for spreading load across soft...RRP From £25.20RRP From £25.20 -
M16 Flat Washer DIN 433 A2 Stainless Steel
In stockThis M16 small series flat washer is manufactured to DIN 433 in A2 stainless steel (304 grade). DIN 433 specifies a flat washer with a reduced outside diameter compared with the normal series, for confined spaces...RRP From £15.55RRP From £15.55 -
M16 Flat Washer DIN 433 A4 Stainless Steel
In stockThis M16 small series flat washer is manufactured to DIN 433 in A4 stainless steel (316 grade). DIN 433 specifies a flat washer with a reduced outside diameter compared with the normal series, for confined spaces...RRP From £32.83RRP From £32.83 -
M16 Flat Washer, Form A DIN 125-A Duplex Stainless Steel
In stockThis M16 Form A flat washer is manufactured to DIN 125-A in stainless steel. DIN 125-A specifies the normal series flat washer - the standard size paired with the majority of metric bolt and nut combinations....RRP From £24.10RRP From £24.10 -
M16 Flat Washer DIN 9021 A2 Stainless Steel
In stockThis M16 penny washer is manufactured to DIN 9021 in A2 stainless steel (304 grade). DIN 9021 specifies a flat washer with an outside diameter substantially larger than the normal series, for spreading load across soft...RRP From £10.42RRP From £10.42 -
M14 Flat Washer, Form C BS 4320-C A2 Stainless Steel
In stockThis M14 Form A flat washer is manufactured to BS 4320-C in A2 stainless steel (304 grade). BS 4320-C specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £8.34RRP From £8.34 -
M14 Flat Washer, Form C BS 4320-C A4 Stainless Steel
In stockThis M14 Form A flat washer is manufactured to BS 4320-C in A4 stainless steel (316 grade). BS 4320-C specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £23.94RRP From £23.94 -
M14 Flat Washer, Form B BS 4320-B A4 Stainless Steel
In stockThis M14 Form A flat washer is manufactured to BS 4320-B in A4 stainless steel (316 grade). BS 4320-B specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £17.40RRP From £17.40 -
M14 Flat Washer, Form A ISO 7089 A4 Stainless Steel
In stockThis M14 Form A flat washer is manufactured to ISO 7089 in A4 stainless steel (316 grade). ISO 7089 specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £21.91RRP From £21.91 -
M14 Flat Washer, Form B BS 4320-B A2 Stainless Steel
Out of stockThis M14 Form A flat washer is manufactured to BS 4320-B in A2 stainless steel (304 grade). BS 4320-B specifies the normal series flat washer - the standard size paired with the majority of metric bolt...RRP From £6.38RRP From £6.38
Stainless steel flat washers in A2 (304) and A4 (316), with a few sizes also in duplex (1.4462).
- Form A (DIN 125-A and ISO 7089): the standard washer for most bolted joints, from M1.6 to M64.
- Form B (DIN 125-B and BS 4320): a chamfered version of the standard washer, from M5 to M39.
- Form C (BS 4320): a wider outside diameter to spread load into softwood, thin sheet or soft material, from M4 to M36.
- Form D (BS 4320), plus large diameter washers to DIN 9021 and ISO 7093 and small washers to DIN 433.
- Imperial flat washers to BS 3410 and BA sizes.
Fit one under the nut, and for critical joints one under the bolt head as well, to spread the load and protect the surface. Choose A4 for coastal, marine and humid environments. Penny washers are in the main Washers collection.
Sizes, grades and pack quantities vary by product type. Check the individual product listing for the exact specification and current availability.