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GB /T 821 - 1988

Square Set Screws with Chamfered End

GB /T 821 - 1988 方头倒角端紧定螺钉

See all versions and complete specifications: Square Set Screws with Chamfered End — Full Specification Page

Dimensional Specifications — GB /T 821 - 1988 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M5	1	5.82	6	6	6.15	4	3.7	0.25	6	7.3	5.85
M6	1.5	9.78	10	8	8.18	7	6.64	0.4	10	12.2	7.82
M8	2	16.73	17	14	14.215	12	11.57	0.6	17	20.9	13.785
M10	2.5	21.67	22	18	18.215

Related Standards

GB /T 85 - 2018— Square Set Screws with Long Dog Point GB 85 - 1988— Square Set Screws with Long Dog Point GB /T 83 - 2018— Square Set Screws with Long Dog Point and Rounded End GB /T 84 - 2018— Square Set Screws with Cup Point GB /T 86 - 2018— Square Set Screws with Short Dog Point and Cone End GB /T 83 - 1988— Square Set Screws with Long Dog Point and Rounded End GB /T 84 - 1988— Square Set Screws with Cup Point GB 86 - 1988— Square Set Screws with Short Dog Point and Cone End

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