AERO-H Diamond Coated Stack Drill for All Stack Applications List 7532 SPEED FEED P311 CARBIDE DIA 40˚ Stack Drill Tolerance 140° +0/-0.001” D d FL L Flute Overall Shank Approximate Hole Size Drill Size Length Length Diameter EDP Number Fractional Wire Letter D FL L d Size Gage Size mm Inch 753209816 - #40 - 2.50 0.0985 15.2 50.8 2.50 753212916 - #30 - 3.28 0.1290 20.3 76.2 3.27 753216116 - #20 - 4.10 0.1615 25.4 4.10 753219116 - #11 - 4.86 0.1915 27.9 4.86 753222116 - #2 - 5.63 0.2215 33.0 101.6 5.62 753225116 1/4 - - 6.38 0.2510 38.1 6.37 753231316 5/16 - - 7.96 0.3135 48.2 7.96 753237616 3/8 - - 9.55 0.3760 58.4 9.55 753243816 7/16 - - 11.14 0.4385 66.0 152.4 11.13 753250116 1/2 - - 12.73 0.5010 76.2 12.72 Packed: 1 pc. Available Diamond coating only. Drills are oversize over nominal. Work Material Carbon Glass Aramid Honeycomb Carbon Carbon Fiber/ Carbon Fiber Fiber Fiber Carbon/ Fiber/ List No. (CFRP) (GFRP) (AFRP) CFRP/Nomex GFRP/Nomex AFRP CFRP/Al Al/Al Carbon Aluminum Titanium Stack Fiber/Al/ Ti/ CRES Stack Stack 7532 Good Best WWW.OSGTOOL.COM Composite Drills 171