Industrial quality

1/2-20 x 5 Socket Cap Screw Alloy

1/2-20 x 6 Hex Cap Screw SS 18-8 (A2)

hardness will range from HRC 31-39

5/8-18 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (100)

3/8 x 4 Dowel Pin Alloy Steel 3/8-16 Grade 5 Hex Cap Screws Plain - Domestic USA Industrial quality3 8 x 4 Dowel Pin Alloy Steel. Dowel pins are solid, headless straight pins with a closely controlled diameter. They are widely used as plug gages, hinges or shafts. The precise tolerances in dowel pins make them excellent for achieving proper alignment of parts in high speed assemblies or as roller bearing in bus and truck wheel assemblies. Dowel pins should be installed by being pressed in, not struck with an impact force.