Zerone Chamfering Drill Bit Chamfering Tools 4Pcs Countersink Deburring Drill Bit High Speed Steel 4241 Chamfering Tool Oblique Hole

Feature: 1. Quick Chamfering Without Burrs: Countersink drill bit set come with quick chamfering and clean without burrs 2. 4241 High Speed Steel Material: Made of good quality high speed steel 4241 material possess long service life 3. Workpieces Less Than 25 Degrees Hardness: Suitable workpieces with a hardness of less than 25 degrees such as carbon steel thin iron plates insulating plates and PVC plates 4. 4 Specifications: A total of 4pcs in the package come with different specifications which will meet your different using needs 5. Excellent Performance: Chamfering drill bit come with stable structure excellent performance and long service life Specification: Item Type: Countersink Deburring Drill Bit Material: High speed steel 4241 Purpose: Suitable workpieces with a hardness of 25 degrees or less such as carbon steel thin iron plates insulating plates and PVC plates Specification Blade diameter(approx.) Applicable hole diameter(approx.) Shank diameter(approx.) Total length(approx.) 2-5mm 10mm / 0.4in 2 ~ 5mm / 0.1 ~ 0.2in 6mm / 0.2in 45mm / 1.8in 5-10mm 14mm / 0.6in 5 ~ 10mm / 0.2 ~ 0.4in 8mm / 0.3in 50mm / 2in 10-15mm 21mm / 0.8in 10 ~ 15mm / 0.4 ~ 0.6in 10mm / 0.4in 65mm / 2.6in 15-20mm 28mm / 1.1in 15 ~ 20mm / 0.6 ~ 0.8in 12mm / 0.5in 85mm / 3.3in Package List: 4 x Countersink Deburring Drill Bit Note: 1. Suitable materials with hardness less than 25 degrees. 2. Please allow tiny size error due to manual measurement. Thanks your understanding.