see also Metric BA

Socket Head Cap Screws  BSF  BSW  UNC  UNF

A socket cap screw, also known as a socket head cap screw, socket screw, or Allen bolt, is a type
of screw with a cylindrical head and hexagonal drive hole.
Socket head cap screws are used for applications with limited space. They have cylindrical head and
internal wrenching features hexagon socket that allow them to be used in locations where externally
wrenched fasteners are not suitable.
A socket cap screw is most commonly driven with an allen wrench or hex key.
Socket head cap screw

 

 

 

£  each

Socket head cap screw

1/4" BSF

    1/4"

0.24

Socket head cap screw

1/4" BSF

    1/2"

0.29

Socket head cap screw

1/4" BSF

   3/4"

0.35

Socket head cap screw

1/4" BSF

1 1/2"

0.60

Socket head cap screw

5/16" BSF

   1/2"

0.35

Socket head cap screw

5/16" BSF

    3/4"

0.45

Socket head cap screw

5/16" BSF

1 1/2"

0.63

Socket head cap screw

5/16" BSF

3.1/2"

1.80

Socket head cap screw

3/8" BSF

3/4"

0.51

Socket head cap screw

3/8" BSF

1"

0.56

Socket head cap screw

3/8" BSF

2"

0.94

Socket head cap screw

3/8" BSF

2 1/2"

1.12

Socket head cap screw

3/8" BSF

3"

1.61

Socket head cap screw

3/8" BSF

4.1/2"

2.69

Socket head cap screw

1/2" BSF

1"

0.76

 

 

 

 

Socket head cap screw

3/16" BSW

1/4"

0.22

Socket head cap screw

3/16" BSW

3/8"

0.24

Socket head cap screw

3/16" BSW

 1/2"

0.29

Socket head cap screw

3/16" BSW

5/8"

0.33

Socket head cap screw

3/16" BSW

3/4"

0.36

Socket head cap screw

3/16" BSW

7/8"

0.42

Socket head cap screw

3/16" BSW

1 1/2"

0.58

Socket head cap screw

3/16" BSW

1 3/4"

0.63

Socket head cap screw

3/16" BSW

2"

0.76

Socket head cap screw

1/4" BSW

1/2"

0.29

Socket head cap screw

1/4" BSW

3/4"

0.38

Socket head cap screw

1/4" BSW

1"

0.44

Socket head cap screw

1/4" BSW

1 1/4"

0.48

Socket head cap screw

1/4" BSW

1 1/2"

0.51

Socket head cap screw

1/4" BSW

1 3/4"

0.61

Socket head cap screw

1/4" BSW

2"

0.69

Socket head cap screw

1/4" BSW

2 1/4"

0.76

Socket head cap screw

1/4" BSW

2 1/2"

0.88

Socket head cap screw

1/4" BSW

3"

1.31

Socket head cap screw

1/4" BSW

3 1/4"

1.53

Socket head cap screw

5/16" BSW

1/2"

0.35

Socket head cap screw

5/16" BSW

 3/4"

0.45

Socket head cap screw

5/16" BSW

1 1/2"

0.63

Socket head cap screw

5/16" BSW

2"

0.83

Socket head cap screw

5/16" BSW

3 1/2"

1.80

Socket head cap screw

5/16" BSW

4"

2.74

Socket head cap screw

3/8" BSW

1 1/2"

0.76

Socket head cap screw

3/8" BSW

3 1/4"

1.78

Socket head cap screw

3/8" BSW

3 1/2"

1.91

Socket head cap screw

3/8" BSW

4"

2.46

Socket head cap screw

3/8" BSW

5"

2.69

Socket head cap screw

7/16" BSW

3 1/2"

2.48

Socket head cap screw

1/2" BSW

1 3/4"

2.06

 

 

 

 

Socket head cap screw

4/40 UNC

   5/16"

0.30

Socket head cap screw

6/32 UNC

    1/4"

0.32

Socket head cap screw

6/32 UNC

    3/8"

0.35

Socket head cap screw

6/32 UNC

    1/2"

0.37

Socket head cap screw

8/32 UNC

   3/8”

0.33

Socket head cap screw

8/32 UNC

    1/2"

0.34

Socket head cap screw

8/32 UNC

    3/4"

0.35

Socket head cap screw

8/32 UNC

1"

0.43

Socket head cap screw

8/32 UNC

1 1/4"

0.48

Socket head cap screw

10/24 UNC

   1/4"

0.24

Socket head cap screw

10/24 UNC

   3/8"

0.31

Socket head cap screw

10/24 UNC

   1/2"

0.34

Socket head cap screw

10/24 UNC

   3/4"

0.38

Socket head cap screw

10/24 UNC

1 3/4"

0.63

Socket head cap screw

10/24 UNC

2"

0.76

Socket head cap screw

1/4" UNC

1/2"

0.29

Socket head cap screw

1/4" UNC

3/4"

0.38

Socket head cap screw

1/4" UNC

1"

0.40

Socket head cap screw

1/4" UNC

1 1/4"

0.44

Socket head cap screw

1/4" UNC

1 1/2"

0.51

Socket head cap screw

1/4" UNC

1 3/4"

0.55

Socket head cap screw

1/4" UNC

2"

0.64

Socket head cap screw

1/4" UNC

2 1/2"

0.88

Socket head cap screw

1/4" UNC

3"

1.31

Socket head cap screw

1/4" UNC

3 1/4"

1.49

Socket head cap screw

5/16" UNC

1/2"

0.39

Socket head cap screw

5/16" UNC

3/4"

0.44

Socket head cap screw

5/16" UNC

1 1/2"

0.71

Socket head cap screw

5/16" UNC

2"

0.85

Socket head cap screw

5/16" UNC

3 1/2"

1.55

Socket head cap screw

5/16" UNC

4"

2.74

Socket head cap screw

3/8" UNC

1 1/2"

0.78

Socket head cap screw

3/8" UNC

3 1/4"

1.78

Socket head cap screw

3/8" UNC

3 1/2"

1.91

Socket head cap screw

3/8" UNC

4"

2.38

Socket head cap screw

7/16" UNC

1 1/4"

1.38

Socket head cap screw

7/16" UNC

1 3/4"

1.73

Socket head cap screw

1/2" UNC

1 1/4"

1.56

Socket head cap screw

1/2" UNC

1 1/2"

1.74

Socket head cap screw

1/2" UNC

2 1/2"

2.49

Socket head cap screw

1/2" UNC

3 1/2"

3.75

Socket head cap screw

1/2" UNC

5"

5.48

 

 

 

 

Socket head cap screw

10/32 UNF

   3/8"

0.23

Socket head cap screw

10/32 UNF

   1/2"

0.26

Socket head cap screw

10/32 UNF

   3/4"

0.32

Socket head cap screw

10/32 UNF

1"

0.38

Socket head cap screw

10/32 UNF

1 1/4"

0.41

Socket head cap screw

10/32 UNF

1 1/2"

0.49

Socket head cap screw

10/32 UNF

1 3/4"

0.53

Socket head cap screw

10/32 UNF

2"

0.66

Socket head cap screw

1/4" UNF

   3/8"

0.26

Socket head cap screw

1/4" UNF

1"

0.40

Socket head cap screw

1/4" UNF

1 1/4"

0.44

Socket head cap screw

1/4" UNF

1 3/4"

0.55

Socket head cap screw

1/4" UNF

2 1/4"

0.76

Socket head cap screw

5/16" UNF

1 1/4"

0.68

Socket head cap screw

5/16" UNF

2"

0.83

Socket head cap screw

3/8" UNF

3/4"

0.49

Socket head cap screw

3/8" UNF

1 1/2"

0.78

Socket head cap screw

3/8" UNF

1 3/4"

0.85

Socket head cap screw

3/8" UNF

2"

0.95

Socket head cap screw

1/2" UNF

1"

1.30

Socket head cap screw

1/2" UNF

1 1/4"

1.56