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JIS B 1187

Hexagon Head Bolt and Plain Washer Assemblies

JIS B 1187 (T4) - 2017 六角头螺栓和平垫圈的组合表4

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Dimensional Specifications — JIS B 1187 (mm)

Size	P	e	r	k_max	k_min	s_min	ds_max	ds_min	k_nominal	ds_nominal
M5	1	1.45	1.75	10	9.8	4.15	11.5	11.1	3.85	11.05
M6	1.5	1.8	2.2	17	16.75	7.2	18	17.6	6.8	18.9
M8	1.75	2.25	2.75	19	18.65	8.2	21	20.5	7.8	21.1

Related Standards

GB 9074.11 - 1988— Cross Recessed Hexagon Bolt with Indentation and Plain Washer Assemblies GB 9074.12 - 1988— Cross Recessed Hexagon Bolt with Indentation and Single Coil Spring Lock Washer Assemblies GB 9074.13 - 1988— Cross Recessed Hexagon Bolt with Indentation, Single Coil Lock Washer and Plain Washer Assemblies GB 9074.14 - 1988— Hexagon Head Bolt and Plain Washer Assemblies GB 9074.15 - 1988— Hexagon Head Bolts and Single Coil Spring Lock Washer Assemblies GB 9074.16 - 1988— Hexagon Head Bolt and Serrated Lock Washer External Teeth Assemblies GB /T 9074.17 - 1988— Hexagon Head Bolt, Single Coil Spring Lock Washer and Plain Washer Assemblies GB /T 1231 (assemblies) - 2024

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