Drive Sizes for Star Pin-In

Star Pin-in Flat Head Sheet Metal Screws

Diameter Drive size
#6 T10
#8 T15
#10 T25

Star Pin-in Button Head Sheet Metal Screws

Diameter Drive size
#6 T10
#8 T15
#10 T25
#14 T27 *
* This size also occasionally comes with a T30 drive.

Star Pin-in Flat Head Machine Screws

Diameter and Thread Drive size
#6-32 T10
#8-32 T15
#10-24 T20
#10-32 T20
1/4"-20 T27 *
* This size also occasionally comes with a T30 drive.

Star Pin-in Button Head Machine Screws

Diameter and Thread Drive size
#6-32 T10
#8-32 T15
#10-24 T25
#10-32 T25
1/4"-20 T27 *
* This size also occasionally comes with a T30 drive.