Highcool HSS Fixed Guide Reamers Spiral 20mm, Hardness H7, 1 piece (20mm)

Parameters: Diameter: H7; Diameter: 20mm/0.79in; Slot Length: 100mm/3.94in; Total Length: 200mm/7.87in. Quantity: 1 set MATERIAL: Hardened and forged with speed steel material to make its life longer and more . The edges are all polished, smooth and delicate yet beautiful and generous. Design: precise 8 edges design, the spiral can make the fragment forward and the fragment from squeezing into the , so you can get fine results and the of breakage. 4 angles handle design can be for both hand/ machine use. Versatile applications: The reamer can precisely enlarge, smooth, or holes in aluminum , die-cast aluminum, copper , soft copper, acrylic panels, and wood.