n c t brand gear head pillar type thread cutting machine 1/2'' to 2 .1/2 , 1'' to 4'' , 2 .1/2 to 6'' capacity general specification design & workmanship: the national cutting tool thread cutting machines are designed to produce quality threads within the to lerance for which they were intended. head stock: a heavy duty geared head box is of best quality casting providing support to the spindle bearings. the box is of gear type, lubricated, fitted with three extra heavy duty bearings. the bed: the bed is pillar type having two pillars made of best quality steel nicely finished & duly hard chrome plated in the most modern hard chrome plating unit. the saddle: the saddle is fitted on two pillers very precisely. it runs on pillars very smoothly and accurately to the head stock alignment. the apron: the apron gives movement to the saddle with head transfer along with pillars through steel rack and pinion arrangements. its all gears are made of best quality steel. vice jaws: the vice jaws made from the best quality steel are fitted on the saddle well aligned with the head stock center fitted in a heavy duty box type vice. the jaws are heat treated. the movements of jaws are controlled by a screw on the saddle. range of nct threading machines and die heads. ¼” to 1” capacity pipe & bolt 3/8” to 1.12” do/- ½” to 2” do/- ½” to 2.1/2” do/- 1” to 4” capacity pipe 2. ½” to 6” do/-