Heavy Duty Drill Sets HEAVY DUTY DRILL SETS M-7 SUPER HIGH SPEED STEEL * RIGHT HAND SPIRAL * NAS 907, TYPE B. JOBBER LENGTH 135 DGREE SPLIT POINT - BLACK OXIDE OR BRIGHT FINISH. . Ideal for portable or machine drilling in low tensile strength alloy  steels and for other applications. These drills meet all aircraft  manufacturing standards and feature a heavy duty 135 degree  split point for self centering and quick penetration. Heavy duty  web geometry provides added rigidity to resist tensional strain  when drilling up to three times the drill diameter. . AVAILABLE IN: FRACTIONAL, LETTER & SWG NUMBER SIZES. Heavy Duty Drill Sets   S150194 - 13pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 13pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 1/4" by 64ths, Black Oxide Price: $ 20.78 S150194B - 13pc. Alfa USA Jobber Drill Set Heavy Duty, 135° S 13pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 1/4" by 64ths, Bright Price: $ 20.78 S150193 - 15pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 15pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 1/2" by 32ths, Black Oxide Price: $ 60.19 S150193B - 15pc. Alfa USA Jobber Drill Set Heavy Duty, 135° S 15pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 1/2" by 32ths, Bright Price: $ 60.19 S150192 - 21pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 21pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 3/8" by 64ths, Black Oxide Price: $ 54.48 S150192B - 21pc. Alfa USA Jobber Drill Set Heavy Duty, 135° S 21pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 3/8" by 64ths, Bright Price: $ 54.48 S150190 - 29pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 29pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 1/2" by 64ths, Black Oxide Price: $ 109.82 S150190B - 29pc. Alfa USA Jobber Drill Set Heavy Duty, 135° S 29pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Frac, 1/16" - 1/2" by 64ths, Bright Price: $ 109.82 S150197 - 26pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 26pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Letter, A - Z, Black Oxide Price: $ 112.02 S150197B - 26pc. Alfa USA Jobber Drill Set Heavy Duty, 135° S 26pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, Letter, A - Z, Bright Price: $ 112.02 S150191 - 60pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 60pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, SWG, #1 - #60, Black Oxide Price: $ 92.14 S150191B - 60pc. Alfa USA Jobber Drill Set Heavy Duty, 135° S 60pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, SWG, #1 - #60, Bright Price: $ 92.14 S150199 - 115pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 115pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, 1/16" - 1/2" by 64ths, #1 - #60, A - Z, Black Oxide Price: $ 338.74 S150199B - 115pc. Alfa USA Jobber Drill Set Heavy Duty, 135° 115pc. Alfa USA Jobber Drill Set Heavy Duty, 135° SP, 1/16" - 1/2" by 64ths, #1 - #60, A - Z, Bright Price: $ 338.74 S119 - 19pc. Alfa USA 135° S/P Maintenance Jobber Drill I 19pc. Alfa USA 135° S/P Maintenance Jobber Drill Index, Black Oxide Price: $ 62.30 15 Items Found in Heavy Duty Drill Sets