10pcs Step Bit Set 1/4 Inch Hex Shank 5 Flute Counter Sink Bit Set With Automatic Sprin

Sufficient quantity and type are enough to meet your various needs, and you are able to share with your friends who need these home improvement accessoriesStep drill bit set: design in various sizes, 4-12 mm, 3-12 mm, 4-20 mm, they are made of high speed steel, coated by titanium, these step drills are resistant to heat, corrosion and rust, practical and durableCountersink drill bits set: made of quality carbon steel, the surface of the countersunk drill bits is plated with titanium to prevent rust; It is durable for you to use and can serve you for a long time; They are suitable for quick replacement and suitable for most tools with the 1/4 inches hex , the cutting edge is hardened and polished to improve sharpness, all drill bits have a 90 degree angle at this point, allowing peaked and precise counter sinkingAutomatic center punch: automatic center punch is so effective that you are able to mark workpiece with a dimple to prevent screws and drills from wandering, helping you complete work accurately and quickly, save your time and energyWide application: very suitable for drilling, reaming, chamfering, screw heads, etc.; Suitable for chamfering various types of materials such as wood, plywood, aluminum, iron, copper, fiberboard, particle board, plastic, PVC board, etc. Type:HexCutting Angle String:90 DegreesColour:GoldenMaterial:High speed steelPackage Contents:3 * Step drill bits6 * 5 Flute counter sink drill bits1 * Automatic center punchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.