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ASME B 18.6

Undercut 82-deg Flat Countersunk Head Screws，Type I and IA

ASME B 18.6.3 (T10-I/T10-IA) - 2013 十字槽82°沉头清根机械螺钉

See all versions and complete specifications: Undercut 82-deg Flat Countersunk Head Screws，Type I and IA — Full Specification Page

Dimensional Specifications — ASME B 18.6 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
0#	0.0730	0.120	0.137	0.070	0.044	64	0	0.045	0.029	0.070	0.028
1#	0.0990	0.167	0.187	0.096	0.056	48	1	0.053	0.037	0.096	0.040
2#	0.1250	0.215	0.237	0.122	0.082	40	1	0.079	0.063	0.122	0.066
3#	0.1640	0.285	0.312	0.168	0.095

Related Standards

GB /T 819.1 - 2016— Countersunk Flat Head Screws (Common Head Style) with Cross Recess - Part 1: Property Class 4.8 GB /T 819.2 - 2016— Countersunk Flat Head Screws with Cross Recess - Part 2: Property Class 8.8, Stainless Steel Screws and Non-ferrous Metal Screws GB /T 819.1 - 2000— Countersunk Flat Head Screws (Common Head Style) with Cross Recess - Part 1: Property Class 4.8 GB /T 819.2 - 1997— Cross Recessed Countersunk Flat Head Screws (Common Head Style) - Grade A - Part 2: Steel of Property Class 8.8, Stainless and Non-Ferrous Metals GB /T 13806.1 (B) - 1992— Cross Recessed Countersunk Screws for Fine Mechanics GB 819 - 1985— Cross Recessed Countersunk Head Screws GB 819 - 1976— Cross Recessed Countersunk Head Screws

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