DIN338 / Jobber Length

 1.They are used for the sizing of holes, stock for router bits, and other small tools.

 2.Can be used for gauges, drifts, punches, rollers, locating pins, and spindles, knockout pins, etc. 

 3.Made from the most popular material for everyday-use drill bits.
 4.These high speed steel drill bit blanks can be tooled into jobbers-length drill bits that will cut a wide       range of materials, including steel, wood, plastic, and nonferrous metals

 5.These uncoated drill blanks have a bright, polished, smooth finish that allows for efficient chip removal   but otherwise have no additional surface treatment, allowing different finishes to be applied once the   blanks have been machined into drill bits.