Insize Thread Plug Gage 3/4-10 UNC Class 2B Series 4643-3B1 Insize 55° Setting Standard for Screw Thread Micrometers 100–125 mm Series 3281-SP4 protecting the thread form and

protecting the thread form and preventing chip packing in blind cavities

3-flute design provides balance between rigidity and chip space

allowing precise reaming in the 46-56mm range

suitable for height gages 1156 and 1351

Recommended for use in mag base drills Twin Eagle's range of HSS annular cutters are ideal for any situation where tolerance and fit are a concern and with the added manoeuvrability of a magnetic based drill there is no place that you can’t drill

Insize Thread Plug Gage 3/4-10 UNC Class 2B Series 4643-3B1 Insize 55° Setting Standard for Screw Thread Micrometers 100–125 mm Series 3281-SP4 protecting the thread form andInsize Thread Plug Gage 3 4 10 UNC Class 2B Series 4643 3B1 The Insize 4643 3B1 Thread Plug Gage is designed for accurate inspection of 3 4 10 UNC internal threads, Class 2B. Built to ANSI B1. 2 standards, it includes GO and NOGO ends for reliable gauging. Manufactured from OHNS steel, hardened to HRC6062, it ensures wear resistance and long service life. Supplied with a manufacturer's inspection certificate for quality assurance. Specifications: Part