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Casing Shoes

  • Size:

TDS bits are available in all standard drilling sizes . Also, non-standard sized bits can be produced according to requirements from clients.

  • Crown Height:

TDS offers crown impreg depths of  9mm, 12mm, and 16mm .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.

  • Waterways: 

Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems. 

  • Matrix:

TDS impregnated bits matrices can be selected by our engineer according to ground conditions at client's work site.

  • Threads:
standard Q threads as well as thread types required by clients are available. Size Available as followings:  "Q" series: AQ, BQ, NQ, HQ, PQ/AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT  NWG 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 T series: T36, T46, T56, T66, T76, T86  Non-standard also can be made as your demand 
 No.   Standard   Item  OD*ID (mm)   Pitch(mm)   Weight(kg) 
1 AQ Drill bit 47.6*27 6.35 0.7
2 BQ Drill bit 59.5*36.3 6.35 0.8
3 BQ2 Drill bit 59.5*40.7 6.35 0.8
4 BQ3 Drill bit 59.5*33.5 6.35 0.8
5 NQ Drill bit 75.3*47.6 6.35 1
6 NQ2 Drill bit 75.3*50.8 6.35 1
7 NQ3 Drill bit 75.3*45 6.35 1
8 HQ Drill bit 95.6*63.5 6.35 2
9 HQ3 Drill bit 95.6*61.1 6.35 2
10 PQ Drill bit 122*85 6.35 3
11 PQ3 Drill bit 122*83 6.35 3
12 SQ Drill bit 147.6*102 6.35 4
13 NMLC Drill bit 75.3*52   0.9
14 HMLC Drill bit 98.8*63.5   1.8
15 BX Drill bit 59.5*42   0.6
16 NX Drill bit 75.3*54.7   0.9
17 BX casing shoe 75.3*60.2   1.2
18 NX casing shoe 92*76.2   1.5
19 HX casing shoe 117.6*99.7   2.4
20 PX casing shoe 143.5*124.5   3.3

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