INSIZE ISR-CSE315 surface roughness specimen, 8pcs per set

Features

• Machining method surface grinding.
• Ra: .1, 2, 4, 8,16,32,63,125μin. Rz: 11.8,22.1,36.3,69.6,104,186,315,625μin.
• For checking, identifying and specifying the roughness by symbol.
• Rust-proof, made of pure Nickel.