1 minute read
HEXAGON BOLTS - BS 4190
forgingsINDUSTRIAL COMPONENTS CATALOGUE The Standard & Non-Standard Specialists www.brooksforgings.co.uk
BS 4190 - HEXAGON BOLTS - METRIC
Advertisement
- TO BS 4190 BFF 1
WASHER FACE ON REQUEST
THREAD DIA
A
mm M5 M6 M8 M10 M12 M16 M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64 (M68)
PITCH OF THREAD
Coarse Pitch Series
0.8 1 1.25 1.5 1.75 2 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 6
DIA OF SHANK UNTHREADED
MIN
mm 4.52 5.52 7.42 9.42 11.30 15.30 19.16 21.16 23.16 26.16 29.16 32.00 35.00 38.00 41.00 44.00 47.00 50.80 54.80 58.80 62.80 66.80 MAX
mm 5.48 6.48 8.58 10.58 12.70 16.70 20.84 22.84 24.84 27.84 30.84 34.00 37.00 40.00 43.00 46.00 49.00 53.20 57.20 61.20 65.20 69.20
WIDTH ACROSS FLATS
MIN
mm 7.64 9.64 12.57 16.57 18.48 23.16 29.16 31.00 35.00 40.00 45.00 49.00 53.80 58.80 63.80 68.80 73.80 78.80 83.60 88.60 93.60 98.60
E
MAX
mm 8 10 13 17 19 24 30 32 36 41 46 50 55 60 65 70 75 80 85 90 95 100
STANDARD THREAD LENGTHS
Normal length of bolt B Length of thread C Up to and including 125mm 2A + 6mm
Over 125mm up to and including 200mm 2A + 12mm Over 200mm 2A + 25mm
WIDTH ACROSS CORNERS
MIN
mm 8.63 10.89 14.20 18.72 20.88 26.17 32.95 35.03 39.55 45.20 50.85 55.37 60.79 66.44 72.09 77.74 83.39 89.04 94.47 100.12 105.77 111.42
F
MAX
mm 9.2 11.5 15.0 19.6 21.9 27.7 34.6 36.9 41.6 47.3 53.1 57.7 63.5 69.3 75.1 80.8 86.6 92.4 98.1 103.9 109.7 115.5
HEIGHT OF HEAD
MIN
mm 3.13 3.63 5.13 6.55 7.55 9.55 12.10 13.10 14.10 16.10 17.95 19.95 21.95 23.95 24.95 26.95 28.95 31.75 33.75 36.75 38.75 41.75
D
MAX
mm 3.88 4.38 5.88 7.45 8.45 10.45 13.90 14.90 15.90 17.90 20.05 22.05 24.05 26.05 27.05 29.05 31.05 34.25 36.25 39.25 41.25 44.25
RADIUS UNDER HEAD
mm 0.35 0.40 0.80 0.80 1.25 1.25 1.78 1.78 1.78 2.28 2.28 2.28 2.70 2.70 2.80 3.30 3.80 4.70 4.90 4.90 4.90 4.90
