Model Number: machining-007-#4098 Key Specifications/Special Features: Material: ss304 Crafts: machining, milling, drilling, linear cutting Surface: burrs cleaning OEM Orders are Welcome Quality: h6, j7, +-0.025mm,roughness 0.63 some place. Quantity: 20pcs Package: single package as unit foam paper. Certificate: form a or origin of china, pi&pl, test certificate etc. Production advance: precision tolerance, strict roughness, small qty is acceptable Main Export Markets: AsiaAustralasiaEastern EuropeNorth AmericaWestern Europe