Universal Fastener Company Fasteners for Industry
We are your supplier of fasteners for industry; including metric, inch, steel, stainless steel, brass, bronze, aluminum, and exotic materials. We specialize in full service bin stocking programs to meet all your fastener needs.
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TAPPING SCREWS
A=AB for these lengths and shorter
 
 

Flat &

All Others

    

Size

Oval

(Not Ctsk)

Type A

Type AB

4

All

All

24

24

5

All

All

20

20

6

5/16

1/4

18

20
 

7

3/8

5/16

16

19

8

7/16

3/8

15

18

10

1/2

3/8

12

16
 

12

9/16

7/16

11

14

14

5/8

1/2

10

14

20

13/16

11/16

9

12
 

24

1

3/4

9

12