FORM B

FORM B

Form B washers are light-duty flat metric fasteners governed by British Specification BS 4320.

They feature a normal outside diameter (OD) but a significantly thinner profile than standard Form A washers.

This slim design makes them the definitive choice for precision engineering and tight mechanical assemblies where weight reduction or minimal thread clearance is required.

Commonly manufactured to conform with BS 4320 and often cross-referenced with DIN 125B.

No detailed specifications are available for this product.

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Code Description Price Quantity
SSRWM06A4 M6 A4 ST/ST RND WASHER FORM B 1/4 12.5 OD X 0.8
183 In Stock for dispatch
£3.60 (exc VAT) per HUND
£4.32 (inc VAT) per HUND
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SSRWM08A4 M8 A4 ST/ST RND WASHER FORM B 5/16 17 OD X 1
749 In Stock for dispatch
£6.40 (exc VAT) per HUND
£7.68 (inc VAT) per HUND
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SSRWM10A4 M10 A4 ST/ST RND WASHER FORM B 3/8 21 OD X 1.25
392 In Stock for dispatch
£12.20 (exc VAT) per HUND
£14.64 (inc VAT) per HUND
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SSRWM12A4 M12 A4 ST/ST RND WASHER FORM B 1/2 24 OD X 1.6
1313 In Stock for dispatch
£20.00 (exc VAT) per HUND
£24.00 (inc VAT) per HUND
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SSRWM14A4 M14 A4 ST/ST RND WASHER FORM B 9/16 28 OD X 1.6
442 In Stock for dispatch
£26.00 (exc VAT) per HUND
£31.20 (inc VAT) per HUND
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SSRWM16A4 M16 A4 ST/ST RND WASHER FORM B 5/8 30 OD X 2
556 In Stock for dispatch
£34.50 (exc VAT) per HUND
£41.40 (inc VAT) per HUND
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+
SSRWM18A4 M18 A4 ST/ST RND WASHER FORM B 11/16 34 OD X 2
100 In Stock for dispatch
£54.90 (exc VAT) per HUND
£65.88 (inc VAT) per HUND
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SSRWM20A4 M20 A4 ST/ST RND WASHER FORM B 3/4 37 OD X 2
1232 In Stock for dispatch
£50.10 (exc VAT) per HUND
£60.12 (inc VAT) per HUND
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SSRWM22A4 M22 A4 ST/ST RND WASHER FORM B 7/8 39 OD X 2
479 In Stock for dispatch
£63.40 (exc VAT) per HUND
£76.08 (inc VAT) per HUND
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SSRWM24A4 M24 A4 ST/ST RND WASHER FORM B 44 OD X 2.5
38 In Stock for dispatch
£135.20 (exc VAT) per HUND
£162.24 (inc VAT) per HUND
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SSRWM27A4 M27 A4 ST/ST RND WASHER FORM B 1" 50 OD X 2.5
24 In Stock for dispatch
£162.50 (exc VAT) per HUND
£195.00 (inc VAT) per HUND
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SSRWM30A4 M30 A4 ST/ST RND WASHER FORM B 1.1/8 56 OD X 2.5
123 In Stock for dispatch
£226.30 (exc VAT) per HUND
£271.56 (inc VAT) per HUND
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SSRWM33A4 M33 A4 ST/ST RND WASHER FORM B 1.1/4 60 OD X 3
108 In Stock for dispatch
£240.00 (exc VAT) per HUN
£288.00 (inc VAT) per HUN
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SSRWM36A4 M36 A4 ST/ST RND WASHER FORM B 1.3/8 66 OD X 3
2 In Stock for dispatch
£320.00 (exc VAT) per HUND
£384.00 (inc VAT) per HUND
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SSRWM39A4 M39 A4 ST/ST RND WASHER FORM B 1.1/2 72 OD X 3
11 In Stock for dispatch
£435.63 (exc VAT) per HUND
£522.76 (inc VAT) per HUND
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SSRWM48A4 M48 ST/ST RND WASHERS A4
Out of Stock
£2,000.00 (exc VAT) per HUND
£2,400.00 (inc VAT) per HUND
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