Choose these set screws for their adherence to strict military standards for material and construction. Made from alloy steel, these set screws have a thin edge that digs into hard surfaces for a secure hold. A cadmium plating provides corrosion resistance in wet environments. Length listed is the overall length.

3D CAD models availableFor technical drawings and 3-D models, click on a part number.

Lg. Drive

Size Hardness Specifications

Met Each

Cadmium-Plated Alloy Steel

2-56

1/8" 0.035" Rockwell C45 MS51963-1 98637A016 $3.60

3/16" 0.035" Rockwell C45 MS51963-2 98637A019 3.62

1/4" 0.035" Rockwell C45 MS51963-3 98637A022 3.64

4-40

1/8" 0.050" Rockwell C45 MS51963-9 98637A103 3.78

3/16" 0.050" Rockwell C45 MS51963-10 98637A105 3.83

1/4" 0.050" Rockwell C45 MS51963-11 98637A111 3.85

1/2" 0.050" Rockwell C45 MS51963-15 98637A123 4.45

6-32

1/8" 1/16" Rockwell C45 MS51963-20 98637A142 2.86

3/16" 1/16" Rockwell C45 MS51963-21 98637A146 2.84

1/4" 1/16" Rockwell C45 MS51963-22 98637A151 2.89

3/8" 1/16" Rockwell C45 MS51963-24 98637A155 3.20

8-32

1/8" 5/64" Rockwell C45 MS51963-33 98637A278 3.60

3/16" 5/64" Rockwell C45 MS51963-34 98637A283 4.16

1/4" 5/64" Rockwell C45 MS51963-35 98637A286 2.86

3/8" 5/64" Rockwell C45 MS51963-37 98637A289 2.87

1/2" 5/64" Rockwell C45 MS51963-39 98637A292 3.60

10-32

3/16" 3/32" Rockwell C45 MS51964-48 98637A351 3.26

1/4" 3/32" Rockwell C45 MS51964-49 98637A356 3.22

3/8" 3/32" Rockwell C45 MS51964-51 98637A365 3.81

1/2" 3/32" Rockwell C45 MS51964-53 98637A368 3.63

1/4"-20

1/4" 1/8" Rockwell C45 MS51963-63 98637A401 3.97

3/8" 1/8" Rockwell C45 MS51963-65 98637A410 4.42

1/2" 1/8" Rockwell C45 MS51963-67 98637A416 4.45

1/4"-28

1/4" 1/8" Rockwell C45 MS51964-64 98637A527 4.12

5/16" 1/8" Rockwell C45 MS51964-65 98637A533 4.25

3/8" 1/8" Rockwell C45 MS51964-66 98637A538 4.51

1/2" 1/8" Rockwell C45 MS51964-68 98637A542 4.51