UNI 5911

Dimensions for UNI 5911 Studs with engagement length 1 x d

Thread d b1 b2 l<125mm b2 125>l<200mm b2 l>200mm x1 x2
M3 – – 3 12 18 1.25 0.7
M4 – – 4 14 20 1.75 0.9
M5 – – 5 16 22 2 1
M6 – – 6 18 24 2.5 1.25
M7 – – 7 20 26 2.5 1.25
M8 M8x1 – 8 22 28 3.2 1.6
M10 M10x1.25 – 10 26 32 3.8 1.9
M12 M12x1.25 M12x1.5 12 30 36 4.3 2.2
M14 M14x1.5 – 14 34 40 5 2.5
M16 M16x1.5 – 16 38 44 5 3.2
M18 M18x1.5 – 18 42 48 6.3 3.2
M20 M20x1.5 – 20 46 52 6.3 3.2
M22 M22x1.5 – 22 50 56 6.3 3.2
M24 M24x2 – 24 54 60 7.5 3.8
M27 M27x2 – 25 60 66 7.5 3.8
M30 M30x2 – 30 66 72 9 4.5
M33 M33x2 – 32 72 78 9 4.5
M36 M36x3 – 35 78 84 10 5
M39 M39x3 – 38 84 90 10 5
M42 M42x3 – 42 90 96 11 5.5
M45 M45x3 – 45 96 102 11 5.5
M48 M48x3 – 48 102 108 12.5 6.3
M52 M52x3 – 52 110 116 12.5 6.3

Notes : Non preferred size, not recommended for new design due to limited availability