29pc HSS Mechanics Length Drill Bit Set for Professionals

About this item

• Three-flat shanks, reduced shanks above 3/8", and mechanic’s length for superior access in cramped spaces
• Precision ground from heat treated quality M2 High Speed Steel and Onyx oxide coated to prevent chip build-up
• Unique design prevents bit from shifting and eliminates necessity of pre-drilling holes
• Spiral fluted PATENTED stepped-tip drill bits that simply outperform every conventional drill bit design in nearly all materials
• Excels on hard alloys, sheet metal, and imperfect parts that are difficult to start drilling into