Drive Sizes for Star Pin-In

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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.