SS SHOVAN Step Drill Bits Set - HSS Steel 3pcs 4-12mm 4-20mm 4-32mm

-Unique step design,a drill bit can be used to open holes of various sizes,means the equivalent of a box of drill -High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance -Having Mutifunction, a terrific helper to be used for deburring,chamfering,expanding hole -Stable,working witout pre-working. -Packed in a Nylon Bag,offering good protection. Usage: Aplly in gun-drilling,bench drill

Material: HSS Steel Surface Treatment: Titanium coated Type: Step Drill Head Type: Hexagon Shank Quantity: 3PCSl Color: Gold Size: Length: 5 Step Bit: 4-12mm Length: 6.7cm/ 2.64"""" 9 Step Bit: 4-20mm Length: Approx. 7.4cm/ 2.91"""" 15 Step Bit: 4-32mm Length: Approx. 10.2cm/ 4.02""""

The 3 Hole Cutters Come in the Following Sizes: 15 Step Bit: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 2mm) 9 Step Bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm) 5 Step Bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)

Package Includes: 1X Set(3pcs)Step Drill with Nylon Bag