Insize American Standard Thread Ring Gage 1/2–13UNC NOGO – Series 4121-1A1N Insize Digital Welding Gauge 4831-20A Commonly used in high-accuracy applications High speed steel HSS 3208-100B Insize Limit Micrometer 25-50mm Range Series 3235-50mm

Commonly used in high-accuracy applications

Superior Heat Resistance – Withstands high temperatures without loss of hardness

Introducing the 25 x 50mm Annular Cutter – a premium cutting tool made from high-quality High-Speed Steel (HSS) with 5% cobalt content

Minimum Length of Cut: 1/4"

Shank Type: Morse Taper (MT

Insize American Standard Thread Ring Gage 1 2–13UNC NOGO – Series 4121 1A1N Insize Digital Welding Gauge 4831 20A Commonly used in high accuracy applications High speed steel HSS 3208 100B Insize Limit Micrometer 25 50mm Range Series 3235 50mm Commonly used in high accuracy applications Superior Heat Resistance – Withstands high temperatures without loss of hardness