6Pcs HSS Metal Hole Saw Drill Bit Set (4-32mm) - High Speed Steel Step Drill Bits for Wood, Metal & Plastic - Power Tool Accessories for DIY, Construction & Home Improvement Projects

Specification: 4-12mm 5 Steps (4mm,6mm,8mm,10mm,12mm) 4-20mm 9 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm)4-32mm 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)Saw drill: 3mm, 6mm, 8mm.Advantages:1. "X" shaped openings, drilling is not easy to slip. Higher precision, more sharp, burr-free drilling.2, The unique step structure, a drill can drill a variety of sizes of the aperture. You can deburring, chamfering, punching elliptical hole.3, Suitable for installation in the pistol-drill and bench drill.4, The hardness of the workpiece below the use of 25 ° below, such as iron, aluminum, PVC board, insulation board, wood, workpiece thickness 4mm.

Classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.

Material High-speed steel 4241.

Handle Step drill is triangle round handle, prevent sliping. The saw and drill is a round handle.

The hardness of the workpiece below the use of 25 ° below, such as iron, aluminum, PVC board, insulation board, wood, workpiece thickness 4mm.

Package include 6 PCS Step Saw Drill Bits Set(With Box)