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ASME B 18.6

Square Recessed Countersunk Head Screws (ASTM F837/F468) [TABLE 2.2.1-2 III]

ASME B 18.6.3 (H1B-III) - 2024 四方槽沉头螺钉 (ASTM F837/F468) [TABLE 2.2.1-2 III]

See all versions and complete specifications: Square Recessed Countersunk Head Screws (ASTM F837/F468) [TABLE 2.2.1-2 III] — 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
2#	0.099	82°	1/8	0.059	0.070	48	0.187	0.028	0	0.167	0.038
3#	0.125	82°	3/16	0.075	0.091	40	0.237	0.040	1S	0.215	0.055

Related Standards

ASME/ANSI B 18.6.3 - 2010— 80° Square Recessed Countersunk Head Screws ASME/ANSI B 18.6.7M - 1998— Metric Square Slot Countersunk Head Screws ASME B 18.6.3 (T2-III) - 2013— Square Recessed Countersunk Head Screws [Table 2] (ASTM F837, F468)ASME B 18.6.3 (H3B-III) - 2024— Undercut 82-deg Square Recessed Countersunk Head Screws, Type III [TABLE 2.2.3-2 III]ASME B 18.6.3 (T10-III) - 2013— Undercut 82-deg Square Recessed Countersunk Head Screws, Type III

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