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1.used to reaming holes, 2.Accuracy:GB1136-84,GB1137-84,GB1138-84, 3.material:M42, 4.shank:straight,taper, 5.diameter: - details see: https://www.machineto.com/hss-hand-1-50-reamers-10150080

Usage:Milling fitting holes with a certaindegree of accuracy in machine tools. Semi-finishing and finishing the holes, Also used for the preworking of grinding.

Feature and precision:Desighde with large number of teeth. Featuring smooth operation and excellent guiding ability.Three precicion grades, H7, H8, and H9.

Note:The reamer can be manufactrued according the National Stadards of GB1133(H7,H8,H9) and GB1133(D,D4,D5). The stocks are available at present. Meatime it is also receives the non-standard orders according to the requirements.