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ASME B 18.6

Hex Washer Head Tapping Screws - Type C Thread Forming [Table 40]

ASME B 18.6.4 - 1998 (R2005) 六角头凸缘自攻螺钉 C型(统一螺纹) [Table 40]

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Dimensional Specifications — ASME B 18.6 (mm)

Size	P	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
4#	0.1250	0.015	0.070	0.058	0.188	0.181	0.240	0.025	0.202	0.260
5#	0.1640	0.019	0.110	0.096	0.250	0.244	0.322	0.031	0.272	0.348
6#	0.2160	0.022	0.155	0.139	0.312	0.305	0.398	0.039	0.340	0.432
8#	0.3125	0.035	0.230	0.208	0.500	0.489	0.624

Related Standards

GB /T 5285 - 2017— Hexagon Head Tapping Screws GB 5285 - 1985— Hexagon Head Tapping Screws IFI 502 - 1982— Metric Hex Head Tapping Screws DIN 7976 - 1990— Hexagon Head Tapping Screws ISO 1479 - 2011— Hexagon Head Tapping Screws ISO 1479 - 1983— Hexagon Head Tapping Screws JIS B 1123 (JA3) - 2015— Hexagon Head Tapping Screws [JA3]JIS B 1123 - 2015— Hexagon Head Tapping Screws (Type C, F and R)

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