Pass-over tapping apparatus
Prevailing torque fastener
Process and apparatus for producing a lock nut
Process and apparatus for the production of star profile nails
Process for forming axially-extendable bolt by upsetting
Process for forming bolt
Process for manufacturing a captive screw
Process for manufacturing a captive screw
Process for production of a two-part cage nut
Process of forming a twisted, spirally grooved member and...
Punch and die for producing connector plates
Punch and manufacturing method for recessed head fastener
Punch for forming threaded fasteners with spiral drive
Punch for making such screw heads with slant rib