Description
Professional-Grade Construction
This 19-piece extra-long mechanics drill bit set is engineered for high-demand workshop and automotive environments. Each bit is manufactured from fully ground cobalt alloy steel, delivering superior hardness, heat resistance, and long service life when drilling tough metals.
Precision Drilling Performance
Designed with a 135° split-point tip for fast, accurate starts and reduced slipping, these bits excel on alloy steel, hardened steel, and cast iron. Their extended length provides added reach for deep, awkward, or obstructed drilling tasks commonly encountered in mechanical repair and fabrication work.
Comprehensive Size Range
Supplied in precise 0.5 mm increments for maximum versatility:
1.0 , 1.5 , 2.0 , 2.5 , 3.0 , 3.5 , 4.0 , 4.5 , 5.0 , 5.5 , 6.0 , 6.5 , 7.0 , 7.5 , 8.0 , 8.5 , 9.0 , 9.5 , 10.0mm.
