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HB 1

Cross Recess 120° Countersunk Head Screw

HB 1- 208 - 1995 十字槽120°沉头螺钉

See all versions and complete specifications: Cross Recess 120° Countersunk Head Screw — Full Specification Page

Dimensional Specifications — HB 1 (mm)

Size	P	s_max	s_min	k_nominal
M3	2.2	1.95	11	10.5
M4	3.3	3	16.5	16
M5	4	3.7	23	22.3

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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