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Center Drills

Plain Type 60

Plain Center Drills - Angle 60

115 M2/TiN 08115 Cobalt + 1055 M42/Red'X 0915 Size D d L

00000 1/8 0.010 1-1/4 0.008 - 0.018 8111500A000* 800811500A0 81105500A00* 80091500A00* 0000 0.015 0.014 - 0.025 8111500B000* 800811500B0 81105500B00* 80091500B00* 000 0.020 0.020 - 0.032 8111500C000 800811500C0 81105500C00* 80091500C00* 00 0.025 0.028 - 0.040 8111500D000 800811500D0 81105500D00* 80091500D00* 0 1/32 0.035 - 0.047 8111500E000 800811500E0 81105500E00* 80091500E00* 1 1/8 3/64 1-1/4 0.055 - 0.067 81115010000 80081150100 81105501000 80091501000 2 3/16 5/64 1-7/8 0.095 - 0.106 81115020000 80081150200 81105502000 80091502000 3 1/4 7/64 2 0.130 - 0.154 81115030000 80081150300 81105503000 80091503000 4 5/16 1/8 2-1/8 0.150 - 0.175 81115040000 80081150400 81105504000 80091504000 4-1/2 3/8 9/64 2-1/2 0.170 - 0.193 81115045000 80081150450 - 5 7/16 3/16 2-3/4 0.230 - 0.256 81115050000 80081150500 81105505000 80091505000 6 1/2 7/32 3 0.270 - 0.295 81115060000 80081150600 81105506000 80091506000 7 5/8 1/4 3-1/4 0.315 - 0.340 81115070000 80081150700 81105507000 80091507000 8 3/4 5/16 3-1/2 0.390 - 0.420 81115080000 80081150800 81105508000 80091508000 9 7/8 11/32 3-5/8 0.430 - 0.460 81115090000 80081150900 - 10 1 3/8 3-3/4 0.475 - 0.500 81115100000 80081151000 -

*Single end tool 60 118 D d 60 L

American Standard Value Sets

15 Pieces 5 Pieces Composition Quantity HSS 81115000015 Composition Quantity HSS 81115000000 Composition Quantity Cobalt 81105500000

3 pieces each # 1 1 piece each # 1 1 piece each # 1 # 2 # 3 # 4 2 pieces # 4-1/2 # 5 1 piece # 5

Sets also available TiN coated

Applications: Centering, spotting and combined machining

Tolerances

Tool Diameters D d Angle 60 118

.010 - 7/64 n/a + .0039 - 1/8 - 7/32 -0.0007 + .0047 - 1/4 - 3/8 -0.0009 + .0059 - 7/16 - 5/8 -0.0011 + .0059 - 30' 2 3/4 - 1 -0.0013 + .0059 -

Concentricity of Drill Diameter to Body is: +/- .0005 runout

HSS M2 HSS-E 8% Cobalt M42