Screw and cylinder

The types of screw are divided into two categories that depend on the material with which the cylinder is made:

1) C40 steel screw
• made of iron C 40 complete with tip
• hardened on the ridges and polished
• with non-stick treatment in brown Teflon

2) aisi 420 steel screw
• made of AISI 420 stainless steel complete with tip
• hardened and polished on the ridges
• with bushings that guarantee not to seize the screw

Interested in this model?