ITEM NAME:6pcs 3 Flute 90 Degree Hss Chamfer Cutter Bit Chamfering Countersink Drill Bits Description Feature: Countersinks are made from good quality high speed steel which ensures a long service life. There are total six pieces of countersinks in sizes of 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm. Great for chamfering, deburring and countersinking. Three flutes design provides small chip loads and quicker removal. They can discharge chip more rapidly and smoothly in the process of using. Suitable for board of low hardness(less than 25 °) such as aluminum, wood, plastic and other soft material. Describeï ¼Å¡ Material: High speed steel 4241 Color: titanium-plated gold Size: as shown Product list: 1 package(6pcs) 6pcs 3 Flute 90 Degree Hss Chamfer Cutter Bit Chamfering Countersink Drill Bits.Find many great new & used options and get the best deals for 6pcs 3 Flute 90 Degree Hss Chamfer Cutter Bit Chamfering Countersink Drill Bits at the best online prices at shop2india!