Carmex Internal Right Hand Trapezoidal (TR) Thread Turning Insert 16 mm / 3.0 mm Pitch / 16 IR 3.0 TR BMA Indexable Boring Bar 4 Piece Set 6 / 8 / 10 / 12 mm Shank The Insize Center Marking Gauge Somta Series 254 – 5/16" X 12" X 400 MTS EXTRA LENGTH DRILL

Carmex Internal Right Hand Trapezoidal (TR) Thread Turning Insert 16 mm 3.0 mm Pitch 16 IR 3.0 TR BMA Indexable Boring Bar 4 Piece Set 6 8 10 12 mm Shank The Insize Center Marking Gauge Somta Series 254 – 5 16" X 12" X 400 MTS EXTRA LENGTH DRILL The Insize Center Marking Gauge series is designed for precision marking of the center of round workpieces such as plates and shafts this stand is an essential accessory for digital microscope users seeking reliable and flexible positioning for their equipment It produces the complete thread form—crest Applications: Internal Thread Turning for Trapezoidal (TR) Power and Lead Screw Threads