5Pcs H7 Tolerance Titanium Coated High Speed Steel Machine Reamer Set – 6, 8, 10, 12, 14mm – Straight Flute Design for Precision Machine Hole Finishing DRINYOUNG (5pcs TiN：6mm-14mm)

This titanium coated H7 metric machine reamer set is constructed from high speed steel featuring titanium coating and precision-ground cutting edges. The 5-piece set includes 6, 8, 10, 12, and 14mm diameters, H7 tolerance grade. Straight flute design suits both through holes and blind holes. Straight shank fits milling machines, drill presses, and other machinery. Before use, pre-drill holes with 0.1–0.3mm allowance. During use, keep reamer aligned with hole, select appropriate speed and feed, use cutting fluid. Do not turn back to prevent edge damage. Suitable for hole finishing in machinery manufacturing, mold work, and part assembly.

• The 5-piece set of expansion drill bits includes five products with diameters ranging from 6 millimeters to 14 millimeters and a tolerance grade of H7
• High speed steel material featuring titanium coating provides good wear tolerance for general machine use
• Straight flute design allows smooth debris removal, suitable for both through holes and blind holes for machine applications
• Straight shank design fits milling machines, drill presses, and other machinery
• Before use, pre-drill holes featuring 0.1–0.3mm allowance. Keep reamer aligned with hole, select appropriate speed and feed, and use cutting fluid. Do not turn back to prevent edge damage