Description 10pcs 3 12mm HSS Machine Reamer Set H7 Straight Shank Milling Chucking Reamer Machine Cutter Specification Materials HSS High Speed SteelColor SilverShank StraightSize 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mmQuantity 10pcsFeatures For reaming or hole repair because of its small amount of cutting precision machining requirementsare usually higher than the drill bit Can be manually operated or installed in the drilling machine work High speed steel manufacturing cutting tools in addition to its high hardness high wear resistanceand adequate toughness there is an important factor is a red hardness Tolerance requirements H7 0 0 01 wire Package Included 1 x Set 10pcs H7 Reamer Notice 1 Please allow a bit error due to manual measurement please make sure you do not mind before you bid 2 The color may have different as the difference display pls understand More Details