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ASME B 18.6

Cross Recessed Truss Head Screws [TABLE 2.2.7-2 I/IA]

ASME B 18.6.3 (H7B-I/H7B-IA) - 2024 十字槽大扁头螺钉 [TABLE 2.2.7-2 I/IA]

See all versions and complete specifications: Cross Recessed Truss Head Screws [TABLE 2.2.7-2 I/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	0.149	0.164	0.063	0.038	64	0	0.038	0.022	0.064	0.020
1#	0.0990	0.211	0.226	0.098	0.059	48	1	0.056	0.040	0.103	0.042
2#	0.1250	0.272	0.289	0.117	0.078	40	1	0.075	0.059	0.121	0.060
3#	0.1640	0.364	0.384	0.155	0.088

Related Standards

GB 973 - 1976— Crosss Recessed Mushroom Screws JIS B 1111 (JA6) - 2017— Cross Recessed Mushroom Head Screws JIS B 1111 (A4) - 2006— Cross Recessed Mushroom Head Screws [Annex Attached Table 4]JIS B 1111 (A4) - 1996— Cross Recessed Mushroom Head Screws [Annex Attached Table 4]ASME/ANSI B 18.6.3 - 2003— Cross Recessed Truss Head Machine Screws NF E 25-129 - 1985— Cross Recessed Mushroom Head Screws NF L 22-181 - 1976— Mushroom Head Screws with B.N.A.E. Cross Recess. SIM Thread NF L 22-186 - 1976— Mushroom Head Screws with B.N.A.E. Cross Recess and Cone Point. SIM Thread

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