Robert Crichton, of Birmingham, Pa,, has taken measures to secure a patent for an improved machine for making metai bolts. There are two new improvements claimed for this machine, viz , the ...

Washers are a vital component in nearly every assembly and fastening process, so it’s important to understand the variety of ...

The elements of this machine bear a strong ... used on automated manufacturing and assembly lines. The process starts with a hopper full of M3 cap head bolts of varying lengths, which are collated ...