Insize Digital Internal Caliper Gauge 5–15 mm Range Series 2121-15 50 mm Annular Cutter Extension Socket Please note this is a Somta Series 107 – 1/16 - 1/2" X 1/64 Jobber Drill Set The optional setting ring 1103-200

Please note this is a 3/8-16 BSW  thread

including tank jobs where the head pressure reaches up to 3 meters

The Somta Series 581 is a precision-ground HSS National Pipe Straight (NPS) taper tap designed for accurate and reliable parallel thread production in pipe fittings and fluid system components

Pitch: 3mm

Heat Resistant Up to 800°F: Withstands high temperatures

Insize Digital Internal Caliper Gauge 5–15 mm Range Series 2121 15 50 mm Annular Cutter Extension Socket Please note this is a Somta Series 107 – 1 16 1 2" X 1 64 Jobber Drill Set The optional setting ring 1103 200 Please note this is a 3 8 16 BSW thread including tank jobs where the head pressure reaches up to 3 meters