Nominal Size, Inches	Regular Steel
	Right Hand Thread			Left Hand Thread
	UNC	UNF	Acme	UNC	UNF
.250
.3125
.4375
.500
.5625
.625
.750
.875
1.000
1.125
1.250
1.375
1.500
1.750
2.000
2.250
2.500
3.000
3.500
4.250
4.500
5.000

= stock

Dimensions