Feature(may vary by option.)

●Exceptional Speed: For quick and smooth cutting, the step drill uses a double blade design, which allows for excellent discharge of dust and is extremely fast. The cut powder produced during use is finely reduced to reduce clogging of the shaving, reducing heat generating than normal products, and allowing for speedy drilling work
●Ultra High Hardness: This step drill is made of HSS steel-4241 (high speed steel) with a titanium coating on the surface, making it harder than ordinary steel step drills. Reduces heat produced during friction
●Easy to Drill: The spiral groove design reduces pressure during cutting, allowing for smooth cutting. Stair grooves prevent chuck from slipping
●Wide range of uses: This is an essential tool for drilling thin iron plates (small .4 mm), aluminum plates, wood, vinyl, resin, etc., for household DIY, enlarging the lower hole, chamfering, deburring, etc. A must-have item for home & work
●Set of 4: 4 - 1.3 inches (4 - 32 mm), 15 steps (length 3.0 inches (77 mm), 4 - 20 mm), 9 steps (length 2.0 inches (51 mm), 9 steps (length 1.8 inches (47 mm)), 1 step drill storage pouch included

[Takenoko drill set of 2 black]

[Step drill hexagonal shaft set of 4]

Description

Step Drill Hex Shaft Set of 4 hssu Drill Spiral Hexagonal Spiral Titanium Coated Spiral Step Drill 4pcs 4-12mm 9 Steps 4-20mm 9 Steps 4-32mm 15 Steps (B) Size Note: Before ordering, please pay attention to the picture description of the size and choose the exact model that fits your needs.