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Bright Finish Drill Bits - Letter Sizes High Speed Steel Drills Letter Sizes R42 - HSS, General Purpose, Bright Finish, 118° Point Primarily for use in screw machines. Short length provides increased rigidity in machine drilling. Designed to drill in a wide variety of low tensile strength materials.   Letter Diameter Decimal Equivalent Flute Length, Inch Overall Length, Inch Pkg Qty Price Pkg. R42 EDP # Purchase Online A 0.2340 1.9375 2.4375 12 $61.92 44242001 Buy Now B 0.2380 1.3750 2.5000 12 $61.92 44242002 Buy Now C 0.2420 1.3750 2.5000 12 $61.92 44242003 Buy Now D 0.2460 1.3750 2.5000 12 $61.92 44242004 Buy Now E 0.2500 1.3750 2.5000 12 $55.44 44242005 Buy Now F 0.2570 1.4375 2.6250 12 $67.20 44242006 Buy Now G 0.2610 1.4375 2.6250 12 $71.52 44242007 Buy Now H 0.2660 1.5000 2.6875 12 $71.52 44242008 Buy Now I 0.2720 1.5000 2.6875 12 $71.52 44242009 Buy Now J 0.2770 1.5000 2.6875 12 $77.52 44242010 Buy Now K 0.2810 1.5000 2.6875 12 $82.56 44242011 Buy Now L 0.2900 1.5625 2.7500 12 $82.56 44242012 Buy Now M 0.2950 1.5625 2.7500 12 $90.48 44242013 Buy Now N 0.3020 1.6250 2.8125 12 $90.48 44242014 Buy Now O 0.3160 1.6875 2.9375 6 $46.32 44242015 Buy Now P 0.3230 1.6875 2.9375 6 $51.00 44242016 Buy Now Q 0.3320 1.6875 3.0000 6 $51.00 44242017 Buy Now R 0.3390 1.6875 3.0000 6 $51.00 44242018 Buy Now S 0.3480 1.7500 3.0625 6 $59.40 44242019 Buy Now T 0.3580 1.7500 3.0625 6 $68.64 44242020 Buy Now U 0.3680 1.8125 3.1250 6 $68.64 44242021 Buy Now V 0.3770 1.8750 3.2500 6 $72.24 44242022 Buy Now W 0.3860 1.8750 3.2500 6 $75.96 44242023 Buy Now X 0.3970 1.9375 3.3125 6 $88.32 44242024 Buy Now Y 0.4040 1.9375 3.3125 6 $104.88 44242025 Buy Now Z 0.4130 2.0000 3.3750 6 $104.88 44242026 Buy Now