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.

There are no downloads for this product.

Code Description Price Quantity
RWM05B M5 3/16 2BA FORM B WASHER 10 OD X 0.80
1912 In Stock for despatch
£1.80 (exc VAT) per HUND
£2.16 (inc VAT)
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+
RWM05BP M5 3/16 2BA FORM B WASHER 10 OD X 0.80 ZINC
3776 In Stock for despatch
£1.70 (exc VAT) per HUND
£2.04 (inc VAT)
-
+
RWM06B M6 1/4 FORM B BRIGHT WASHER 12.5 OD X 0.8
Out of Stock
£4.20 (exc VAT) per HUND
£5.04 (inc VAT)
-
+
RWM06BP M6 1/4 FORM B BRIGHT WASHER 12.5 OD X 0.8 ZINC
27678 In Stock for despatch
£1.30 (exc VAT) per HUND
£1.56 (inc VAT)
-
+
RWM08B M8 5/16 FORM B BRIGHT WASHER 17 OD X 1.0
4018 In Stock for despatch
£2.30 (exc VAT) per HUND
£2.76 (inc VAT)
-
+
RWM08BP M8 5/16 FORM B BRIGHT WASHER 17 OD X 1.0 ZINC
1063 In Stock for despatch
£2.10 (exc VAT) per HUND
£2.52 (inc VAT)
-
+
RWM10B M10 3/8 FORM B BRIGHT WASHER 21 OD X 1.25
3463 In Stock for despatch
£6.80 (exc VAT) per HUND
£8.16 (inc VAT)
-
+
RWM10BP M10 3/8 FORM B BRIGHT WASHER 21 OD X 1.25 ZINC
3804 In Stock for despatch
£3.00 (exc VAT) per HUND
£3.60 (inc VAT)
-
+
RWM10BZYP M10 3/8 FORM B BRIGHT WASHER 21 OD X 1.25 Z/YELL
Out of Stock
£3.20 (exc VAT) per HUND
£3.84 (inc VAT)
-
+
RWM12B M12 1/2 FORM B BRIGHT WASHER 24 OD X 1.6
3150 In Stock for despatch
£4.80 (exc VAT) per HUND
£5.76 (inc VAT)
-
+
RWM12BP M12 1/2 FORM B BRIGHT WASHER 24 OD X 1.6 ZINC
3874 In Stock for despatch
£5.40 (exc VAT) per HUND
£6.48 (inc VAT)
-
+
RWM14B M14 9/16 FORM B BRIGHT WASHER 28 OD X 1.6
2115 In Stock for despatch
£10.40 (exc VAT) per HUND
£12.48 (inc VAT)
-
+
RWM14BP M14 9/16 FORM B BRIGHT WASHER 28 OD X 1.6 ZINC
4554 In Stock for despatch
£11.20 (exc VAT) per HUND
£13.44 (inc VAT)
-
+
RWM16B M16 5/8 FORM B BRIGHT WASHER 30 OD X 2.0 (USE FORM A)
Out of Stock
£7.60 (exc VAT) per HUND
£9.12 (inc VAT)
-
+
RWM16BP M16 5/8 FORM B BRIGHT WASHER 30 OD X 2.0 ZINC
3088 In Stock for despatch
£8.80 (exc VAT) per HUND
£10.56 (inc VAT)
-
+
RWM16BZY M16 5/8 FORM B BRIGHT WASHER 30 OD X 2.0 Z/YELL
36 In Stock for despatch
£19.47 (exc VAT) per HUND
£23.36 (inc VAT)
-
+
RWM18B M18 11/16 FORM B BRIGHT WASHER 34 OD X 2.0
283 In Stock for despatch
£15.20 (exc VAT) per HUND
£18.24 (inc VAT)
-
+
RWM18BP M18 11/16 FORM B BRIGHT WASHER 34 OD X 2.0 ZINC
Out of Stock
£38.26 (exc VAT) per HUND
£45.91 (inc VAT)
-
+
RWM20B M20 3/4 FORM B BRIGHT WASHER 37 OD X 2.0
6029 In Stock for despatch
£12.30 (exc VAT) per HUND
£14.76 (inc VAT)
-
+
RWM20BP M20 3/4 FORM B BRIGHT WASHER 37 OD X 2.0 ZINC
996 In Stock for despatch
£14.20 (exc VAT) per HUND
£17.04 (inc VAT)
-
+
RWM22B M22 7/8 FORM B BRIGHT WASHER 39 OD X 2.0
98 In Stock for despatch
£18.80 (exc VAT) per HUND
£22.56 (inc VAT)
-
+
RWM22BP M22 7/8 FORM B BRIGHT WASHER 39 OD X 2.0 ZINC
Out of Stock
£36.30 (exc VAT) per HUND
£43.56 (inc VAT)
-
+
RWM24B M24 FORM B BRIGHT WASHER 44 OD X 2.5
628 In Stock for despatch
£34.00 (exc VAT) per HUND
£40.80 (inc VAT)
-
+
RWM24BP M24 FORM B BRIGHT WASHER 44 OD X 2.5 ZINC
1065 In Stock for despatch
£36.30 (exc VAT) per HUND
£43.56 (inc VAT)
-
+
RWM27B M27 1" FORM B BRIGHT WASHER 50 OD X 2.5
2350 In Stock for despatch
£45.60 (exc VAT) per HUND
£54.72 (inc VAT)
-
+
RWM27BP M27 1" FORM B BRIGHT WASHER 50 OD X 2.5 ZINC
90 In Stock for despatch
£43.80 (exc VAT) per HUND
£52.56 (inc VAT)
-
+
RWM30B M30 1.1/8 FORM B BRIGHT WASHER 56 OD X 2.5
821 In Stock for despatch
£62.90 (exc VAT) per HUND
£75.48 (inc VAT)
-
+
RWM30BP M30 1.1/8 FORM B BRIGHT WASHER 56 OD X 2.5 ZINC
255 In Stock for despatch
£40.40 (exc VAT) per HUND
£48.48 (inc VAT)
-
+
RWM33B M33 1.1/4 FORM B BRIGHT WASHER 60 OD X 3.0
Out of Stock
£120.00 (exc VAT) per HUND
£144.00 (inc VAT)
-
+
RWM36B M36 1.3/8 FORM B BRIGHT WASHER 66 OD X 3.0
15 In Stock for despatch
£78.70 (exc VAT) per HUND
£94.44 (inc VAT)
-
+
RWM36BP M36 1.3/8 FORM B BRIGHT WASHER 66 OD X 3.0 ZINC(USE A'S)
Out of Stock
£180.00 (exc VAT) per HUND
£216.00 (inc VAT)
-
+