Precision Twist Drill Spotting Drill, Long Length Special Purpose, Series: SPL-90, 1/4 in Diameter, 6 in Overall Length, 1XD Cutting Depth, Spiral Flute, 3/4 in Flute Length, 1/4 in Shank, Straight Shank, 90 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Bright, Applicable Materials: Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum Magnesium, Synthetic Material and Hard Material