BS 4464 Square Spring Washers - Basic dimensions - Andrews Fasteners CE Approved Bolts, Nuts & Washers

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BS 4464 Square Spring Washers – Basic dimensions image

BS 4464 Square Spring Washers – Basic dimensions

BS 4464 Square Spring Washers

Basic dimensions for selected sizes

Size M4 M5 M6 M8 M10 M12 M16 M20 M22 M24 M30 M36
d1 (min/max) 4.1-4.35 5.1-5.35 6.1-6.4 8.2-8.55 10.2-10.6 12.2-12.6 16.3-16.9 20.3-21.1 22.4-23.3 24.4-25.3 30.5-31.5 36.5-37.6
d2 (max) 6.95 8.55 9.6 12.75 15.9 17.9 24.3 30.5 32.7 35.7 43.9 52.1
s (min/max) 1.1-1.3 1.4-1.6 1.4-1.6 1.9-2.1 2.35-2.65 2.35-2.65 3.3-3.7 4.3-4.7 4.3-4.7 4.8-5.2 5.8-6.2 6.75-7.25