Somta Series 521 - HSS Straight Flute Short Hand Second (Intermediate) Tap BSW 5/16" x 18 TPI Insize NOGO Thread Ring Gauge M18X1.5 Series 4129-18RN it works with the Insize Somta Series 107 – 1/16 - 1/2" X 1/64 Jobber Drill Set The optional setting ring 1103-200

it works with the Insize SPC Interface Box (7304-1)

h: 90mm/ 3

Mounts 8mm stem

and plastics when a reverse-cut bit is preferred

Automotive & Industrial Machinery: The heat-resistant properties make this kit ideal for use in automotive and industrial machinery where high temperatures and thread integrity are critical

Somta Series 521 HSS Straight Flute Short Hand Second (Intermediate) Tap BSW 5 16" x 18 TPI Insize NOGO Thread Ring Gauge M18X1.5 Series 4129 18RN it works with the Insize Somta Series 107 – 1 16 1 2" X 1 64 Jobber Drill Set The optional setting ring 1103 200 it works with the Insize SPC Interface Box (7304 1) h: 90mm 3