Used roller in China

Thread Rolling Threading Machine Nut Bolt Screw Making Machine

• Manufacturer: Boldt

Automatic two rollers rolling machine, with precision cone, can roll out a variety of screws, such as UNC, UNF, NC, NF, 29 ° trapezoidal thread, metric thread 40 °, worm thread, Wyeth thread, Tip V-thread, etc., ...