Material: Hardwood, Softwood, Machine: Hand drill, Stand drill, Bench drills, Automatic drill, Rotation: Right-rotating Solved 4. The crank is in equilibrium with the illustrated Since 2003 ENT European Norm Tools is considered as a reliable partner in the field of machine driven shank tools for woodworking. COUNTERSINK 90 DEG 3 FLUTE HSS-Co Straight Shank 6mm Shank ENT Countersink Ent 45331 Deburring Countersink Hs Co Cobolt Diameter D 5 | Desertcart Islands 20mm 90 Degree Countersink For countersinking and deburring of bores in hard- and softwood Countersink with cross hole 90-° for woodworking D 13 mm Total length (GL) 90 mm / Shank length (SL) 30 mm / Shank (S) 6 mm With over 2000 different products, ENT offers an extensive tool selection at a very good price-performance ratio.