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ASME B 18.6

Slotted Round Washer Head Screws [Table 38] (ASTM F837, F468)

ASME B 18.6.3 (T38) - 2013 开槽圆头凸缘（带垫、带介）螺钉 [Table 38] (ASTM F837, F468)

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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#	0.0990	0.042	0.027	0.215	0.070	48	0.156	0.030	0.035	0.232	0.058
3#	0.1250	0.053	0.035	0.272	0.088	40	0.198	0.040	0.043	0.291	0.075
4#	0.1640	0.067	0.045	0.358	0.113	32	0.259	0.040	0.054	0.380	0.101
5#	0.2160	0.085	0.056	0.473

Related Standards

ASME/ANSI B 18.6.3 (T40) - 2013— Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws ASME/ANSI B 18.6.3 (T41) - 2013— Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws ASME/ANSI B 18.6.3 (T42) - 2013— Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws ASME/ANSI B 18.6.3 (T43) - 2013— Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws ASME/ANSI B 18.6.3 (T44) - 2013— Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws ASME/ANSI B 18.6.3 (T45) - 2013— Dimensions of Type TRS Tapping Screws

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