Category Type
JAM BOLTS

Stainless Steel Flat Washer

Ordering example : A4 stainless steel M20 flat washer form A (item no.: 4051220000)
Stainless Steel Grade A2(304) / A4(316)
Material Standard BS 6105:1981
Specification BS 4320:1968
Material (Item No.) A2 stainless steel, Form A (40511) A4 stainless steel, Form A (40512) A4 Stainless steel, Form C (40513)
    • Form C Diameter
    • d1 (max. inside diameter) / mm
    • d1 (min. inside diameter) / mm
    • d2 (max. outside diameter) / mm
    • d2 (min. outside diameter) / mm
    • s (max. thickness) / mm
    • s (min. thickness) / mm
    • M10
    • 10.9
    • 10.5
    • 24
    • 23.5
    • 2.2
    • 1.8
    • M12
    • 13.4
    • 13.0
    • 28
    • 27.5
    • 2.7
    • 2.3
    • M14
    • 15.4
    • 15
    • 30
    • 29.5
    • 2.7
    • 2.3
    • M16
    • 17.4
    • 17
    • 34
    • 33.2
    • 3.3
    • 2.7
    • M18
    • 19.5
    • 19
    • 37
    • 36.2
    • 3.3
    • 2.7
    • M20
    • 21.5
    • 21
    • 39
    • 38.2
    • 3.3
    • 2.7
    • M22
    • 23.5
    • 23
    • 44
    • 43.2
    • 3.3
    • 2.7
    • M24
    • 25.5
    • 25
    • 50
    • 49.2
    • 4.3
    • 3.7
    • M27
    • 28.5
    • 28
    • 56
    • 55
    • 4.3
    • 3.7
    • M30
    • 31.6
    • 31
    • 60
    • 59
    • 4.3
    • 3.7
    • M33
    • 34.6
    • 34
    • 66
    • 65
    • 5.6
    • 4.4
    • M36
    • 37.6
    • 37
    • 72
    • 71
    • 5.6
    • 4.4
    • M39
    • 40.6
    • 40
    • 77
    • 76
    • 6.6
    • 5.4

size

 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39

Item No.

 03000 04000 05000 06000 08000 10000 12000 14000 16000 18000 20000 22000 24000 27000 30000 33000 36000 39000

 

Diameter above M39 / other standard on request