Description
- Accurate: A 60 Degree Angle center drill is very useful in drilling accurate center holes, 60 degree countersink holes or starter holes for bigger drill bits in metal working
- Widely Applicable: work with lathe machines and most electronic drills to drill holes in Steel, Iron, Alum, Carbon Steel, Brass and other tough material ranging from 170HB up to 200HB
- Multiple Sizes: 7Pieces of Plain Center Drill Bits Set Including 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs.
- Spiral flute: Spiral groove helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process, the precision ground surface is corrosion resistance to achieve better using effects and prolong the working life
- High Quality: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and long-lasting with impact resistance, wear resistance