Countersink Countersink Drill Bit Set Chamfering Countersinking For Chamfering Deburring

Countersink Countersink Drill Bit Set Chamfering Countersinking for Chamfering Deburring Specification: Features: 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. Specifications: Material: HSS Flute: 3 Head Diameter(mm) 6.3 8.3 10.4 16.5 20.5 Shank Diameter(mm) 5 6 6 10 10 Length(mm) 37 40 39 47 47 Package Includes: 6pcs x Countersinks