ABS METAL INDUSTRY CORP. An ISO 9001-2015 Certified Quality Assurance Supplier.

Driver Sizes for Fasteners

The headed fasteners feature various driver sizes and models.  Full engineering data on all driver sizes is below. for your referance

ScrewSize

Phillips Bit Size

Slotted Bit Size

Torx Bit Size

Socket Size

Hex Key Size

0

0

      

.050

1

0

      

1/16

2

1

00

  

1/8

5/64

3

1

00-0

  

1/8

5/64

4

1

0-1

TX-10

3/16

3/32

6

2

1-2

TX-15

1/4

7/64

8

2

2-3

TX-20

1/4

9/64

10

3

3-4

TX-25

5/16

5/32

12

3

3-4

TX-27

5/16

  

1/4

3

4-5

TX-30

3/8

3/16

5/16

4

5-6

TX-40

1/2

1/4

3/8

4

    

6/16

5/16

7/16

      

5/8

3/8

1/2

4

    

3/4

3/8

5/8

      

15/16

1/2

3/4

      

1 1/8

5/8

7/8

      

1 5/16

3/4

1

      

1 1/2

3/4

11/8

      

1 11/16

7/8

11/4

      

1 7/8

7/8

11/2

      

2 1/4

1