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, smooth and clean without burrs 2. 4241 High Speed Steel Material: Made of good quality high speed steel 4241 material, possess long service life 3. For Workpieces Less Than 25 Degrees Hardness: Suitable for 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 for 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.) 25mm 10mm 0.4in 2 ~ 5mm 0.1 ~ 0.2in 6mm 0.2in 45mm 1.8in 510mm 14mm 0.6in 5 ~ 10mm 0.2 ~ 0.4in 8mm 0.3in 50mm 2in 1015mm 21mm 0.8in 10 ~ 15mm 0.4 ~ 0.6in 10mm 0.4in 65mm 2.6in 1520mm 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 for materials with hardness less than 25 degrees.2. Please allow tiny size error due to manual measurement. Thanks for your understanding.Quick Chamfering Without Burrs: Countersink drill bit set come with quick chamfering, smooth and clean without burrs 4241 High Speed Steel Material: Made of good quality high speed steel 4241 material, possess long service life For Workpieces Less Than 25 Degrees Hardness: Suitable for workpieces with a hardness of less than 25 degrees, such as carbon steel, thin iron plates, insulating plates, and PVC plates 4 Specifications: A total of 4pcs in the package, come with different specifications, which will meet your different using needs Excellent Performance: Chamfering drill bit come with stable structure, excellent performance and long service life