Insize Surface Roughness Specimens Face Turning 8pc Set ISR-CS319 Nylon Mechanical Pipe expanding Test plug bung with 13mm bypass 63mm to 76mm the 19 x 25mm Annular

the 19 x 25mm Annular Cutter - HSS is your go-to solution

Cutter Connection: ¾″ (19 mm) Weldon Shank Annular Cutters

this die is perfect for working with M3 threads and is ideal for both professionals and hobbyists

the 31 x 50mm Annular Cutter - HSS is your go-to solution

Insize Surface Roughness Specimens Face Turning 8pc Set ISR-CS319 Nylon Mechanical Pipe expanding Test plug bung with 13mm bypass 63mm to 76mm the 19 x 25mm AnnularThe Insize ISR CS319 Surface Roughness Specimen Set is designed for checking, identifying, and comparing machined surface finishes produced by face turning operations. Manufactured from pure nickel with rust proof construction, this precision reference set provides reliable roughness comparison for workshop inspection, machining setup, and quality control applications. Ideal for machinists, inspectors, and manufacturing professionals, the ISR CS319