UMX Impregnated Core Bits


UMX Impregnated Core Bits


Roschen Series UMX Impregnated Core Bits are the most economical choice for short drilling (up to 800m) in geotechnical, engineering and shallow mining investigation projects. 


The choice of matrix type is also much simplified. There are only two general purpose matrix types to choose from:


Matrix type UMX 1 - for soft, abrasive, broken and fragmented rocks (equivalent to series 1 - 8)


Matrix type UMX 15 - for hard to very hard, non-abrasive, solid rocks (equivalent to series 9 - 15)


All Roschen Bits come with heavy duty 6.5 mm wide waterway profile, extra-hard OD and ID gauge protection, tungsten carbide waterway protection,


12 mm impregnated depth, premium large diamond crystals, high diamond concentration, and titanium-coated diamonds for extra abrasion resistance.


Because of superior matrix technology, Geotech series bits will vastly outperform any other bit of similar price in terms of lifespan, accuracy and penetration rates.




Relatively low cost product for short holes

30% softer than a competing bit (cuts hard rock faster)

Resists abrasion, OD and ID gauges last longer

Better core recovery

Higher diamond concentration for increased life and penetration rates

Lower fuel consumption and less equipment wear

Much lower cost per metre compared with diamond core bits imported from emerging economies

Simplified matrix choice reduces inventory costs



Operating Parameters


UMX Impregnated Core Bits are designed to work as grinding tools and must work at relatively high rotation speeds, high bit loads compared to other types of diamond bits. It is essential that impregnated bits are well-cooled by the flush to prevent premature bit failure (air flush cannot be used with impregnated bits).


Consideration should be given to the capabilities of the drilling equipment in terms of its ability to function within recommended operating parameters and also to variations in geological conditions. It may be necessary to select a harder or softer matrix type than what is recommended in the matrix selection chart in order to address drilling equipment limitations (e.g. low powered rigs).


Wireline Core Bits Specifications:
AQTK 35.5 mm (1-3/8 in) 48 mm (1-7/8 in)
BQ 36.4 mm (1-7/16 in) 60 mm (2-3/8 in)
BQTK 40.7 mm (1-5/8 in) 60 mm (2-3/8 in)
NQ 47.6 mm (1-7/8 in) 75.7 mm (3 in)
NQTK (NQ2") 50.6 mm (2 in) 75.7 mm (3 in)
NQ3 45 mm (1-3/8 in) 75.7 mm (3 in)
HQ 63.5 mm (2-1/2 in) 96 mm (3-3/8 in)
HQ3 61.1 mm (2-3/8 in) 96 mm (3-3/8 in)
PQ3 85 mm (3-3/8 in) 122.6 mm (4-7/8 in)
PQ3 83 mm (3-1/4 in) 122.6 mm (4-7/8 in)



Diamond core drill bits and diamond non-core drill bits Specifications
A-Gauge Core Bits: A, A-RSG, AWG(AX), AWM, AWT, LTK48
B-Gauge Core Bits: B, B-RSG, B-2.400, B3, BWG(BX), BWM, BWT, LTK60, TBW
N-Gauge Core Bits: N, NMLC, NWG(NX), NWM, NWT, TNW
H-Gauge Core Bits: N, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT
P- Gauge Core Bits: P, P3, PWF-Long, PWF-Short
S- Gauge Core Bits: SWF-Long, SWF-Short
U- Gauge Core Bits: UWF-Long, UWF-Short
Z- Gauge Core Bits: ZWF-Long, ZWF-Short
T, TT, T2 &TB Series Metric Core Bits: T36, TT46, T2-46, TB56, TT56, T2-56, T2-66, T2-76,T2-76 coreline, T2-86, T2-86 coreline, T2-101, T2-101 coreline
T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
T6S Series Metric Core Bits: T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146
T2 Series: T2 46, T2 56, T2 66, T2 76, T2 86, T2 101
T6 Series: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146, T6S 101
T Series: T36, T46, T56, T66, T76, T86
Z Series: Z46, Z56, Z66, Z76, Z86, Z101, Z116, Z131, Z146
B Series: B36, B46, B56, B66, B76, B86, B101, B116, B131, B146

 AX, NX, NXC, AXT, T6H, 4 9/16, NWD4, 412F, SK6L146, TT46, TB56, TS116, CHD101.

Customized standard CDDA, DCAMA, Crealius, and ISO sizes






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