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Cross Recessed Brazier Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 6]

JIS B 1122 (AAT6) - 1996

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日标JIS B1122 (AAT6) - 1996 JIS1122 1122JI Cross Recessed Brazier Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 6]
日标JIS B1122 (AAT6) - 1996 JIS1122 1122JI Cross Recessed Brazier Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 6]
Nominal Length L Tips:seclect Nominal Length L and get .
Thread Size
d
2 2.5 3 3.5 4 4.5 5 6
dk max=nominal size
min
k Nominal Size
max
min
R
r max
Socket No.
m Type H Ref.
Penetration depth Type H min
max
4.2 5.5 6.4 7.4 8.5 9.5 10.6 12.5
4 5.1 5.9 6.9 8 9 10 11.8
1.5 2.0 2.45 2.6 2.7 3.05 3.4 4.1
1.6 2.1 2.6 2.75 2.85 3.2 3.55 4.3
1.4 1.9 2.3 2.45 2.55 2.9 3.25 3.9
2.2 2.9 3.4 3.9 4.6 5.1 5.7 6.7
0.3 0.3 0.4 0.4 0.5 0.5 0.6 0.7
1 1 2 2 2 2 2 3
2.2 2.6 3.8 3.9 4.1 4.5 4.9 6.3
1.01 1.42 1.63 1.73 1.93 2.33 2.73 2.86
0.63 1.00 1.06 1.16 1.35 1.74 2.14 2.26
Thread Class
- - - - - - - -
①,For those of nominal diameter 2mm and 2.5mm, the Class 1 shall not be used.
②,The types of threaded portion shall be in accordance with the Annex to JIS B 1007
③,these screws are different from those in accordance with ISO 7049 to 7051 in shapes and dimensions threeof, and will be withdrawn in future.

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