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
SSRWM05B 5mm A2 FORM B FLAT WASHER
2854 In Stock for dispatch
£1.50 (exc VAT) per HUND
£1.80 (inc VAT) per HUND
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SSRWM06 M6 1/4 ST/ST RND WASHER FORM B 12.5 OD X 0.8
1839 In Stock for dispatch
£2.40 (exc VAT) per HUND
£2.88 (inc VAT) per HUND
-
+
SSRWM08 M8 ST/ST RND WASHER FORM B 5/16 17 OD X 1.0
426 In Stock for dispatch
£4.10 (exc VAT) per HUND
£4.92 (inc VAT) per HUND
-
+
SSRWM10 M10 3/8 ST/ST RND WASHER FORM B 21 OD X 1.25
1667 In Stock for dispatch
£6.20 (exc VAT) per HUND
£7.44 (inc VAT) per HUND
-
+
SSRWM12 M12 ST/ST RND WASHER FORM B 24 OD X 1.6
1331 In Stock for dispatch
£13.80 (exc VAT) per HUND
£16.56 (inc VAT) per HUND
-
+
SSRWM14 M14 9/16 ST/ST RND WASHER FORM B 28 OD X 1.6
250 In Stock for dispatch
£14.00 (exc VAT) per HUND
£16.80 (inc VAT) per HUND
-
+
SSRWM16 M16 5/8 ST/ST RND WASHER FORM B 30 OD X 2
1971 In Stock for dispatch
£17.10 (exc VAT) per HUND
£20.52 (inc VAT) per HUND
-
+
SSRWM18 M18 ST/ST RND WASHER FORM B 11/16 34 OD X 2
266 In Stock for dispatch
£38.00 (exc VAT) per HUND
£45.60 (inc VAT) per HUND
-
+
SSRWM20 M20 3/4 ST/ST RND WASHER FORM B 37 OD X 2
698 In Stock for dispatch
£24.40 (exc VAT) per HUND
£29.28 (inc VAT) per HUND
-
+
SSRWM22 M22 7/8 ST/ST RND WASHER FORM B 39 OD X 2
313 In Stock for dispatch
£45.00 (exc VAT) per HUND
£54.00 (inc VAT) per HUND
-
+
SSRWM24 M24 ST/ST RND WASHER FORM B A2 OD X 2.5
248 In Stock for dispatch
£61.00 (exc VAT) per HUND
£73.20 (inc VAT) per HUND
-
+
SSRWM27 M27 1" ST/ST RND WASHER FORM B 50 OD X 2.5
61 In Stock for dispatch
£88.00 (exc VAT) per HUND
£105.60 (inc VAT) per HUND
-
+
SSRWM30 M30 ST/ST RND WASHER FORM B 1.1/8 56 OD X 2.5
458 In Stock for dispatch
£96.30 (exc VAT) per HUND
£115.56 (inc VAT) per HUND
-
+
SSRWM33 M33 ST/ST RND WASHER FORM B 1.1/4 60 OD X 3
19 In Stock for dispatch
£135.70 (exc VAT) per HUN
£162.84 (inc VAT) per HUN
-
+
SSRWM36 M36 ST/ST RND WASHER FORM B 1.3/8 66 OD X 3
3 In Stock for dispatch
£192.00 (exc VAT) per HUND
£230.40 (inc VAT) per HUND
-
+
SSRWM39 M39 ST/ST RND WASHER FORM B 1.1/2 72 OD X 3
19 In Stock for dispatch
£276.80 (exc VAT) per HUND
£332.16 (inc VAT) per HUND
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