Insize Optical Flat Ø45mm Flatness 0.1µm Series 4191-45B Carmex Internal UN Threadmill Insert 40mm/ 6 TPI Part Number: 4131-101

Part Number: 4131-101

Proven Quality – Built on decades of South African engineering excellence

Compatible with S14 insert screws and K14 Torx keys

This 5-piece Left Hand High Speed Steel Drill Bit Set is purpose-built for removing sheared

and measures pressures up to 10 bar (150 psi)

Insize Optical Flat Ø45mm Flatness 0.1µm Series 4191-45B Carmex Internal UN Threadmill Insert 40mm/ 6 TPI Part Number: 4131-101The Insize 4191 45B Optical Flat is a precision inspection tool designed for checking surface flatness with extremely high accuracy. Manufactured for precision engineering, metrology, and calibration applications, this optical flat provides reliable flatness verification for precision surfaces, gauge blocks, measuring tools, and machine components. Featuring a single working face identified by an arrow marking, the optical flat allows accurate