Construction Machine Parts Rotary Drill Bit Bullet Teeth Cutting Pick
Bullet teeth (Foundation Drilling cutting tools, Round Shank cutter bit, Round shank chisel) are used as ripping teeth on augers,drilling buckets and core barrels for foundation drilling, solid wall, water well drilling, trenching, mining and tunneling.
Carbide steel body, made by material ASTM4142 or 42CrMo,heat treatment with 40-44HRC hardness, has high toughness and wearable character.Tip with above 50 HRC hardness is made from low press sintered, and suitable grade tungsten carbide according to the target projects,to make sure high performance during works.
Code | Code Number |
Kennametal code | DS01 DS02 DS03 DS04 DS05 |
Betek code | B47K22H B47K19H B47K17.5H BKH28 BKH40 BKH41 BKH47 BKH81 |
Bau-er code | C403 C402 |
Item No. | Material | Weight | Cutting Rock Type Examples | Intensity range |
2K | Tungsten Cobalt Carbide | 1.15kg | strongly weathered limestone, strongly weathered dolomite, dense sandstone and strongly weathered silicified limestone, etc. | 600Kpa ~ 20Mpa |
KRA | Tungsten Cobalt Carbide | 1.2kg | mudstone, sandstone, etc. | <30MPa |
8TA | Tungsten Cobalt Carbide | 1.22kg | high-density sandstone, mudstone, etc. | 800Kpa~5Mpa |
12T | Tungsten Cobalt Carbide | 1.2kg | high-density sandstone, mid-weathered granite, etc. | 2000Kpa~10Mpa |
Item No. | Material | Weight | Cutting Rock Type Examples | Intensity range |
3055-6L | Tungsten Cobalt Carbide | 1.2kg | dense sandstone, pebbles, red sandstone and large particle boulders, etc. | 800Kpa ~1000Kpa |
9N | Tungsten Cobalt Carbide | 1.3kg | high-density sandstone, samll pepple, mid-weathered granite, mid-weathered limestone, etc. | 2000Kpa~40Mpa |
TR2 | Tungsten Cobalt Carbide | 1.4kg | dense sandstone, moderately weathered granite, moderately weathered silicified limestone and weakly weathered quartzite | 2000Kpa~20Mpa |
ST2 | Tungsten Cobalt Carbide | 1.4kg | weakly weathered granite, marble, weakly weathered silicified limestone, silicified sandstone, basalt, etc. | 20MPa~50Mpa |



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