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JIS B 1188

Cross Recessed Pan Head Screw And Serrated Lock Washer External Teeth Assemblies

JIS B 1188 (T1D) - 1995 十字盘头螺钉和外齿锁紧垫圈组合

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Dimensional Specifications — JIS B 1188 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M3	6	7.5	7.1	5.5	2.45	0.415	8	2.15	0.485
M4	14	15	14.5	13.2	5.4	0.75	12	5	0.85
(M3.5)	9	10	9.6	8.4	3.45

Related Standards

GB /T 9074.1 - 2018— Bolt or Screw and Washer Assemblies with Plain Washers GB /T 9074.5 - 2004— Cross Recessed Small Pan Head Screw and Washer Assemblies with Plain Washers GB /T 9074.1 - 2002— Bolt or Screw and Washer Assemblies with Plain Washers GB /T 9074.1 - 1988— Cross Recessed Pan Head Screws and Plain Washers Assemblies GB 9074.2 - 1988— Cross Recessed Pan Head Screw And Serrated Lock Washer External Teeth Assemblies GB 9074.3 - 1988— Cross Recessed Pan Head Screws and Single Coil Spring Lock Washers Assemblies GB /T 9074.4 - 1988— Cross Recessed Pan Head Screws, Single Coil Spring Lock Washer and Plain Washers Assemblies GB /T 9074.5 - 1988

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