Click Specification

Hex Head Screw and Helical Spring Lock Washers For SEMS

ASME B 18.13 - 2017

Display drawing:

Thread Size
d

10#

12#

1/4

5/16

3/8

d
d₁	max
	min
h	min
d_c	max
	min
s	max
	min
k	max
	min

0.0860	0.0990	0.1120	0.1250	0.1380	0.1640	0.1900	0.2160	0.2500	0.3125	0.3750
0.080	0.091	0.105	0.118	0.129	0.155	0.179	0.203	0.238	0.298	0.361
0.075	0.086	0.101	0.113	0.124	0.149	0.173	0.196	0.230	0.290	0.353
0.020	0.020	0.025	0.031	0.031	0.040	0.047	0.056	0.062	0.078	0.094
0.146	0.168	0.192	0.220	0.231	0.271	0.311	0.351	0.464	0.556	0.651
0.135	0.156	0.181	0.207	0.218	0.259	0.297	0.336	0.448	0.540	0.635
0.125	0.188	0.188	0.188	0.250	0.250	0.312	0.312	0.375	0.500	0.562
0.120	0.181	0.181	0.181	0.244	0.244	0.305	0.305	0.367	0.489	0.551
0.050	0.055	0.060	0.070	0.093	0.110	0.120	0.155	0.190	0.230	0.295
0.040	0.044	0.049	0.058	0.080	0.096	0.105	0.139	0.172	0.208	0.270

Alternative history

ANSI/ASME B 18.13 - 1996 ANSI/ASME B 18.13 - 2017

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