Welcome to Oredrills
Bit Types | |||||||||
EX Hardened cross bit for loose to medium dense ground conditions | EXX TC cross bit for soft to medium rock formations
| ES Hardened button bit for gravel and soft rock formations | ESS TC button bit for weathered rock, stone wall, rubble | EC Hardened arch bit for chalks, marls, fills, competent ground | ECC TC arch bit for soft to medium rock formations | EY Hardened drop center bit for competent ground and strong rock | EYY TC drop center bit for medium fractured rock formations | EW Clay bits for clay, soft soil, marls, loose sand and gravel | |
Outside Diameter(mm) | |||||||||
R25 | 42 | 42 | 42 | 42 | |||||
R32 | 51,76,90 | 51,76,90 | 51,76 | 51,76,90 | 76, 90 | 76,90 | 51,76 | 51,76 | 76,90 |
R38 | 76, 90, 100 | 76, 90, 100 | 76, 90, 100 | 76, 90, 115 | 76, 90, 115 | 76 | 110, 130 | ||
100, 115 | 100, 115 | 76, 100, 115 | 76,90, 100,115 | 76,90,100,115
| 150,175 | ||||
T76 | 130,170 | 130,150,200 | 130,170 | 120,130,150 | 130,150 | ||||
T30 | 42,46,51,76 | 42,46,51 | 43,46,51 | 46,51 | |||||
T40 | 76, 90, 100, 115 | 76, 90, 100,115,130,150 | 76, 90, 110,115,130 | 70,76, 90, 100, 115,130 | |||||
T52 | 115 | 115,130,150 | 115 | 100,115 | 130,150 | ||||
T73 | 130,170 | 130,150,200 | 130 | 110,130 | 130,150 | ||||
T103 | 175 | 175 | 220,280 | ||||||
Type of steel | EN10083-1 | ||||||||
Hardness | HRA 87 ~HRA90 for TC bits, HRC 48 ~HRC 55 for all steel bits. | ||||||||
Thread standard | ISO 10208 / ISO 1720/ T international standards | ||||||||
Thread direction | Left hand / Right hand | ||||||||