Features:
Step drill 6-60mm suitable for workpieces with hardness under 25° workpiece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood. The workpiece thickness under 5mm
Use water cooling in drilling to extend bit life.Recommended drill speed 250-400rpm.
Spiral Grooved Cutting Flute: 135 Split point tip and double fluted design for self-centering and deburring, Spiral groove helps to clear chips while drilling.
Unique step design,a drill bit can be used to open holes of various sizes
High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Multifunction,deburring,chamfering,expanding hole
Material: HSS 4241
Type: Step Drill
Shank Type: Ф13mm round handle
Quantity: 1PCS
Color: Silver
Size: Ф 6-60mm: 12 Steps (6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm)
Package includes:
1 x 6-60mm HSS 4241 Spiral Grooved Step Drill