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(Non-preferred) dimensions in parentheses.

Cross Recessed Mushroom Head Screws

JIS B 1111 (A4) - 2006

Display drawing:

日标JIS B1111 (A4) - 2006 JIS1111 1111JIS Cross Recessed Mushroom Head Screws

 *Models with different eras.

Nominal Diameter
d
M2 (M2.2) M2.5 M3 (M3.5) M4 (M4.5) M5 M6 M8
P Pitch
dk max
min
k Nominal Size
max
min
Socket No.
M
0.4 0.45 0.45 0.5 0.6 0.7 0.75 0.8 1 1.25
4.5 5 5.7 6.9 8.1 9.4 10.6 11.8 14 17.8
4.1 4.6 5.3 6.4 7.6 8.9 10 11.2 13.3 17
1.2 1.3 1.5 1.9 2.2 2.5 2.8 3.1 3.7 4.8
1.3 1.4 1.6 2.05 2.35 2.65 2.95 3.25 3.9 5
1.1 1.2 1.4 1.75 2.05 2.35 2.65 2.95 3.5 4.6
1 1 1 1 2 2 2 2 3 3
2.2 2.3 2.5 2.9 4 4.3 4.7 5 6.3 7.8

Suppliers

Best price if from GlobalFastener.com.
Wenzhou Fengding Fastener Manufacture Co., Ltd.
  • Mr.Huang

  • +86-18857755588/13676725866

  • +86-577-86500568

  • Material: carbon steel,copper,Stainless steel;Surface treatment: according to customers' requirements; Grade: 4.8, 8.8, 10.9, 12.9; Nominal diameter: M3-M20; Nominal length: 5-300mm