SURFACE FINISHING : COLD DRAWING OR CENTERLESS GROUND
DIAMETERS : FROM 2mm TO 120mm
DIAMETER TOLERANCE : ISO h7,h8, h9 ,h10
DELIVERY LENGTHS: 1000-6000mm OR AS PER CUSTOMER’S REQUSET
STRAIGHTNESS:0.5MM/M
QUALITY : HIGH PRECISION SIZES ; OPTIMAL MACHINABILITY ON ANNEALEAD STATUS; DEFECTS AND DECABURISATION FREE ; EXCELENT FINISHING AND STRAIGHTNESS.
HEAT TREATMENT: QUENCHED IN 1030-1050℃, TEMPERED MORE THAN TWICE IN 580-620℃
PROTECTION: SLIGHT RUST PROOF OIL