1588SL For deep hole drilling 10xD, 12xD, 15xD, 20xD and 30xD drills For machining of steel, non-ferrous metals, stainless steel and heat-resistant alloys. Double margin for high accuracy and stable machining. Special flute design for less friction and good chip flow. 1588SLK DIN1412D Deep hole drills for machining of cast iron Special cut for cast iron with ductile iron and mal- leable cast iron. Improved tool life due to impact resistant cutting edges. Straight cut For cast iron Form D: Cut for cast iron SL K Deep hole drill SLK : All articles on demand. 1588SL Please add K when ordering: 1534SLK03-0100 SP series For drilling pilot holes Recommended for deep hole drills with 15xD and larger. C 73