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Screw Size

#0

#1

#2

#3

#4

#5

#6

#8

#10

1/4

5/16

3/8

5/16

1/2

5/8

3/4

7/8

1

1 1/4

1 1/2

1 3/4

2

Counterbore Diameter

  In.

Counterbore Depth

  In.

Countersink Dia

  In.

Close Fit Size

 

Close Fit Decimal Dia

  In.

Normal Fit Size

 

Normal Fit Decimal Dia

  In.