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ASME B 18.2

Square Head Bolts [Table 1] (ASTM A307 / A354 / A394)

ASME B 18.2.1 (T1) - 2012 方头螺栓 [Table 1] (ASTM A307 / A354 / A394)

See all versions and complete specifications: Square Head Bolts [Table 1] (ASTM A307 / A354 / A394) — Full Specification Page

Dimensional Specifications — ASME B 18.2 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
1/2	1.1250	0.780	3/4	1-11/16	1.688	7	1.149	2.386	2.239	1.098	1.631
1/4	0.3125	0.220	13/64	1/2	0.500	18	0.324	0.707	0.665	0.298	0.484
3/4	1.5000	1.036	1	2-1/4	2.250	6	1.531	3.182	2.986	1.470	2.175
3/8	0.6250	0.444	27/64	15/16

Related Standards

GB /T 8 - 2021— Square Head Bolts - Product Grade C GB 8 - 1988— Square Head Bolts - Product Grade C GB 8 - 1976— Square Head Bolts - Product Grade C (Black)GB /T 35 - 2013— Square Head Bolts with Small Head GB /T 35 - 1988— Small Square Head Bolts DIN 21346 - 1989— Square Head Bolts for Shaft Guides JIS E 1107 - 2008— Fish Plate Bolt Square Head JIS B 1182 (T1-1) - 1995— Thin Square Head Bolts [Table 1-1]

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