Feature

●Set Contents: 4-32 mm <15 Tiers > (4/6/8/10/12/14/16/18/20/22/24/26/28/30/32); 4-12 mm <9 Tiers (4/6/8/10/12/14/18/20) mm; 4-1 mm 2mm <5 Tier>(4/6/8/10/12)
●(High Quality Material) HSS high-speed steel step drill is coated with titanium coating to achieve the hardness of HRC60. High temperature resistance, wear-resisting, fashionable. Perfect for everyday punching
●Design: The spiral design reduces pressure during cutting, improves shavings emission, and makes cutting smoother than a step drill. Stair grooves prevent the zipper from slipping
●Easy to use: Step drill: The small holes to large holes are spread in order to make it perfect for correcting multiple sizes and enlarging holes. Shank Shape: Triangle round handle
●[Range of application] The spiral shape is ideal for stainless steel and has less welding and smooth drilling. Perfect for drilling and DIY projects, enlarging the hole and chamfering the bottom of the hole and deburring from stainless steel, thin iron plates, aluminum plates, wood, vinyl, resin, etc


Description

Package Includes:
3 x step drills.
Material: HSS钢.
Product Details:
0.2 - 1.3 inches (4 - 32 mm) <15 Tiers > (4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 / 32)
0.2 - 0.8 inches (4 - 20 mm) (9 levels) (4, 6, 8, 10, 12, 14, 16, 18, 20)
0.2 - 0.5 inch (4 - 12 mm) (5 Tiers) (4 / 6 / 8 / 10 / 12)
Color: Black
Features:
The spiral design reduces pressure during cutting, better discharge and smoother cutting than conventional step drills. Stair grooves prevent chuck from slipping