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Tungsten carbide rock drill bit K038 K034, K033, K032, K030 are very popular in Saudi Quarry market and Indian stone quarryiing tools market like Jodhpur , Banglore for sandstone and black glaxy quarry drilling hole, So far for 10 years we now have been exporting it to Mundra, Mumbai, New Delhi Chenai, Visakhapatnam, Roadcoimbatore, Guwahati, Rajsamand etc. and For Saudi quarry, we sold it to famous quarry owner like MIGC, SMG, SAUDIMARMO for Tropical Brown, Saudi Binaco, Pink granite quarry drilling
We do recommend our YG15 grade for Medium hard formation(stock ) and our YR09 grade for very hard formation.
2, The strength of our tungsten carbide tipped drill bits teeth.
A: HIP sintered and heat treatment for insuring the good quality of each tungsten carbide insert
B: Both virgin and recycle powder are available at your option
C: We will issue the qualtity certificate to get the national standard
| The carbide grades for making K034 we recommend | |||||
| Chinese Grade |
Equal to ISO |
Density (g/cm2) |
TRS (N/mm2) |
Hardness (HRA) |
Application |
| YG8C | K30 | 14.7 | 2200 | 88 |
Mostly used as the buttons of small and mediumsized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
| YG11 | K40 | 14.3 | 2100 | 88 |
Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. |
| YG11C | K40 | 14.35 | 2200 | 87.5 |
Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. |
| YG10C | K40 | 14.45 | 2450 | 87.5 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium- hard and hard formations. |
| YG15 | K40 | 14 | 1500 | 86.5 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium- hard and hard formations. |
