High Hardness
Durable-Last Longer
Easily drills Through hard metals such as stainless steel, cast iron etc.
Size : 1.59,1.98,2.38,2.78,3.17,3.57,3.97,4.37,4.76,5.16,5.56,5.95,6.35,6.75,7.14,7.54,7.94,8.33,8.73,9.13,9.92,10.32,10.72,11.11,11.51,11.91,12.3,12.7 mm
Material : High Speed Steel