HSS Fixed Stem Guide Reamers Spiral 8mm，High Hardness H7 high Precision,1 pcs DRINYOUNG（8mm）

Parameters: Cutting Diameter: Precision: H7; Cutting Diameter: 8mm/0.31‘; Slot Length: 58mm/2.28’; Total Length: 115mm/4.53’. Quantity: 1 set MATERIAL: Hardened and forged with high quality high speed steel material to make its life longer. The edges are all polished, smooth and delicate yet beautiful and generous. Design: incisive 6 edges design, the spiral edge can make the fragment move forward and prevent the fragment from squeezing into the edge, so you can get fine machining results and reduce the chance of breakage. 4 angles handle design can be used for both hand/ machine use. Wide range of applications: The reamer can accurately enlarge, smooth or finish holes in aluminium alloys, die-cast aluminium, copper alloys, soft copper, acrylic panels and wood.