
HY-PRO® CARB
Performance Carbide Drills
List HP243 (Continued) SPEED
FEED
P312
CARBIDE
WD1 30˚
3D
Flute Overall Shank
Diameter
EDP Length Length Diameter
Number Fractional Wire Gage Letter Size mm Inch FL L d
Size
HP243-4764 - - - 12.10 0.4764
HP243-4803 - - - 12.20 0.4803
HP243-4843 31/64 - - 12.30 0.4843
HP243-4882 - - - 12.40 0.4882
HP243-4921 - - - 12.50 0.4921
HP243-4961 - - - 12.60 0.4961
HP243-5000 1/2 - - 12.70 0.5000
HP243-5039 - - - 12.80 0.5039
HP243-5079 - - - 12.90 0.5079
60 107 14
HP243-5118 - - - 13.00 0.5118
HP243-5157 33/64 - - 13.10 0.5157
HP243-5197 - - - 13.20 0.5197
HP243-5236 - - - 13.30 0.5236
HP243-5276 - - - 13.40 0.5276
HP243-5311 17/32 - - 13.49 0.5311
HP243-5315 - - - 13.50 0.5315
HP243-5394 - - - 13.70 0.5394
HP243-5512 - - - 14.00 0.5512
HP243-5626 9/16 - - 14.29 0.5626
HP243-5709 - - - 14.50 0.5709
HP243-5780 37/64 - - 14.68 0.5780
HP243-5787 - - - 14.70 0.5787
HP243-5906 - - - 15.00 0.5906
65 115 16
HP243-5937 19/32 - - 15.08 0.5937
HP243-6102 - - - 15.50 0.6102
HP243-6181 - - - 15.70 0.6181
HP243-6248 5/8 - - 15.87 0.6248
HP243-6299 - - - 16.00 0.6299
HP243-6339 16.10 0.6339
HP243-6496 - - - 16.50 0.6496
HP243-6563 21/32 - - 16.67 0.6563
73 123 18
HP243-6693 - - - 17.00 0.6693
HP243-6890 - - - 17.50 0.6890
HP243-7087 - - - 18.00 0.7087
HP243-7283 - - - 18.50 0.7283
HP243-7480 - - - 19.00 0.7480
HP243-7500 3/4 - - 19.05 0.7500
79 131 20
HP243-7579 19.25 0.7579
HP243-7677 - - - 19.50 0.7677
HP243-7874 - - - 20.00 0.7874
Packed: 1 pc.
Available WD1 coating only.
Work Material
P M K N S H
Carbon Steels Alloy Nickel
Steels Stainless Steels Aluminum Alloy Titanium Hardened Steels
List No. Low Med. High Die Cast
1010 1035 4140 Steels Iron 6061 Casting Inconel 6Al4V ~35 35-45 45-50 50-70
1018 1045 1065 4340 300 400 17-4 PH 7075 (30 HRC) HRC HRC HRC HRC
HP243
good best
WWW.OSGTOOL.COM HY-PRO® CARB 179