S.N Malhotra Industries

ISO 7380 - Hexagon socket button head screws

Current norm: ISO 7380

Legend:

l – length of bolt
d – the nominal diameter of the thread
k – head height
dk – head diameter
s – size of the internal hexagon

Makings:

Steel: 8.8,10.9,12.9
Stainless: A2, A4
Plastic: –
Non Ferrous: –
Thread: 6g, 5g6g for strength 12.9

Notes:

Table according to ISO 7380-1:

dimensions in mm
Thread dM3M4M5M6M8M10M12M16
P0,50,70,811,251,51,752
bref.1820222428323644
damax.3,64,75,76,89,211,213,717,7
dkmax.5,77,69,510,51417,52128
min.5,47,249,1410,0713,5717,0720,4827,48
dLref.2,63,8567,7101216
dsmax.34568101216
min.2,863,824,825,827,789,7811,7315,73
dwmin.56,848,749,5713,0716,5719,6826,68
emin.2,3032,8733,4434,5835,7236,8639,14911,429
kmax.1,652,22,753,34,45,56,68,8
min.1,41,952,534,15,26,248,44
r1max.3,74,65,756,157,959,811,215,3
min.3,34,25,255,657,459,210,514,5
rsmin.0,10,20,20,250,40,40,60,6
rtmin.0,30,40,450,50,70,71,11,1
snom.22,53456810
max.2,082,583,084,0955,146,148,17510,175
min.2,022,523,024,025,026,028,02510,025
tmin.1,041,31,562,082,63,124,165,2
wmin.0,20,30,380,741,051,451,632,25