Click Specification

(Non-preferred) dimensions in parentheses.

Hardened Ground Machine Dowel Pins

ASME B 18.8.2 - 2020

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Nominal Diameter

1/16

(5/64)

3/32

1/8

(5/32)

3/16

1/4

5/16

3/8

7/16

1/2

5/8

3/4

7/8

Nominal Size
d	Standard Series	Basic
		max
		min
	Oversize Series	Basic
		max
		min
d₁	max
	min
c	max
R	min

0.0625	0.0781	0.0938	0.1250	0.1562	0.1875	0.2500	0.3125	0.3750	0.4375	0.5000	0.6250	0.7500	0.8750	1.0000
0.0627	0.0783	0.0940	0.1252	0.1564	0.1877	0.2502	0.3127	0.3752	0.4377	0.5002	0.6252	0.7502	0.8752	1.0002
0.0628	0.0784	0.0941	0.1253	0.1565	0.1878	0.2503	0.3128	0.3753	0.4378	0.5003	0.6253	0.7503	0.8753	1.0003
0.0626	0.0782	0.0939	0.1251	0.1563	0.1876	0.2501	0.3126	0.3751	0.4376	0.5001	0.6251	0.7501	0.8751	1.0001
0.0635	0.0791	0.0948	0.1260	0.1572	0.1885	0.2510	0.3135	0.3760	0.4385	0.5010	0.6260	0.7510	0.8760	1.0010
0.0636	0.0792	0.0949	0.1261	0.1573	0.1886	0.2511	0.3136	0.3761	0.4386	0.5011	0.6261	0.7511	0.8761	1.0011
0.0634	0.0790	0.0947	0.1259	0.1571	0.1884	0.2509	0.3134	0.3759	0.4384	0.5009	0.6259	0.7509	0.8759	1.0009
0.058	0.074	0.089	0.120	0.150	0.180	0.240	0.302	0.365	0.424	0.486	0.611	0.735	0.860	0.980
0.048	0.064	0.079	0.110	0.140	0.170	0.230	0.290	0.350	0.409	0.471	0.595	0.715	0.840	0.960
0.020	0.026	0.031	0.041	0.052	0.062	0.083	0.104	0.125	0.146	0.167	0.208	0.250	0.293	0.333
0.008	0.010	0.012	0.016	0.020	0.023	0.031	0.039	0.047	0.055	0.063	0.078	0.094	0.109	0.125

Alternative history

ASME B 18.8.2 - 2000(R2010) ASME B 18.8.2 - 2020

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