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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Cross Recessed Round Head Screws

JIS B 1111 (JA8) - 2017

Display drawing:

日标JIS B1111 (JA8) - 2017 JIS1111 1111JIS Cross Recessed Round Head Screws
Download CAD Model
日标JIS B1111 (JA8) - 2017 JIS1111 1111JIS Cross Recessed Round Head Screws
Download CAD Model
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M2 M2.5 M3 (M3.5) M4 M5 M6 M8
P Pitch
dk max
min
k Nominal Size
max
min
R1 ≈
R2 ≈
m Ref.
Socket No.
Penetration depth max
min
r min
da max
b Ref.
x ≈
0.4 0.45 0.5 0.6 0.7 0.8 1 1.25
3.5 4.5 5.5 6 7 9 10.5 14
3.1 4.1 5 5.5 6.5 8.4 9.8 13.2
1.3 1.7 2 2.3 2.6 3.4 4 5.4
1.4 1.8 2.15 2.45 2.75 3.55 4.2 5.6
1.2 1.6 1.85 2.15 2.45 3.25 3.8 5.2
2.1 2.7 3.3 3.6 4.2 5.4 6.3 8.4
1.2 1.5 1.8 2 2.3 3 3.5 4.6
2.1 2.5 3.5 3.8 4.1 4.8 6.2 7.7
1 1 2 2 2 2 3 3
0.91 1.32 1.33 1.63 1.93 2.63 2.76 4.26
0.5 0.9 0.76 1.06 1.35 2.04 2.16 3.63
0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4
2.6 .1 3.6 4.1 4.7 5.7 6.8 9.2
8 12 12 14 16 20 25 30
0.8 0.9 1.0 1.2 1.4 1.6 2.0 2.5
Length of Thread b
- - - - - - - -
①,x ≈ 2P

Alternative history

JIS B 1111A6 - 1996 JIS B 1111A6 - 2006 JIS B 1111JA8 - 2017

Suppliers

Best price if from GlobalFastener.com.
Suzhou Hanlinyu Precision Hardware Co., Ltd.

  • Amy Li

  • +86-13771867939

  • +86-512-65868465

  • Material: Carbon steel, Stainless steel; Grade: 8.8; Specifications: M2-M12
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