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Unit:mm

Hexagon Head Tapping Screws [Annex Attached Table 1]

JIS B 1123 (AAT1) - 1996

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日标JIS B1123 (AAT1) - 1996 JIS1123 1123JI Hexagon Head Tapping Screws [Annex Attached Table 1]
Screw Thread
d
3 3.5 4 4.5 5 6 8
s max
min
e min
k Nominal Size
max
min
r max
5 5.5 7 7 8 10 12
4.8 5.3 6.8 6.8 7.8 9.8 11.75
5.5 6.05 7.7 7.7 8.7 10.9 13.1
1.6 2.3 2.5 2.7 3 3.5 5
1.7 2.4 2.6 2.8 3.1 3.65 5.15
1.5 2.2 2.4 2.6 2.9 3.35 4.85
0.4 0.4 0.5 0.5 0.6 0.7 0.9

Alternative history

JIS B 1123AAT1 - 1996 JIS B 1123JA3 - 2015
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