
Hollow Drill Rods for Rock Drill, Top Quality Mining Drilling Rod
* High quality alloy steel tubing
* Consistent concentricity, straightness and heat treatment
* All tubing available in DCDMA sizes
We clarify product innovation as one of our development strategies to enhance the added value of our PHD Drill Rod, Impregnated Diamond Casing Shoe, NRAU Drill Rod through innovation and form the core competitiveness of our company. Practice has proved that our unique innovative ideas can enable our company to win the market's favor in the competition. We are dedicated to providing customers with integrated product solutions and professional services.
NCQ (NQ) Drill Rod
NCQ (NQ) Drill Rods Sizes Available
| Description | Code | O.D (mm) | I.D (mm) | N.W (kg) | G.W (kg) | Thread Pitch (mm) | Thread Length (mm) | Rated Depth | Max. Rated Torque | Max Tensile Force |
NCQ/NQ-10' | 20100201 | ¢69.9 | ¢60.3 | 23.9 | 24.3 | 8.47 | 44.5 | 1500m (5000ft) | 1200Nm (900ft-lb) | 147kN (33000 lbf) |
NCQ/NQ-3M | 20100202 | ¢69.9 | ¢60.3 | 23.5 | 23.9 | 8.47 | 44.5 | |||
NCQ/NQ-5' | 20100203 | ¢69.9 | ¢60.3 | 11.95 | 12.35 | 8.47 | 44.5 | |||
NCQ/NQ-1.5M | 20100204 | ¢69.9 | ¢60.3 | 11.76 | 12.16 | 8.47 | 44.5 |
Note: Q and RQ is the trademark from Boart Longyear, here we quoted for helping customer to selectthe rods only.
NTW Drill Rod is Available
OD:73mm; ID: 64.2mm; Wall thickness:4.4mm
NQ Drill Rods Overview
* Material : 4130
* Tubing
• High quality alloy steel tubing
• Consistent concentricity, straightness and heat treatment
• All tubing available in DCDMA sizes
* Thread
• Tapered, course threads (3 threads per inch) provides easy make and break
• Load efficiency of 30% provides sufficient strength for average applications
* Thru-wall Heat Treatment
• Provides 140% material strength
• Heat treated box threads significantly increases thread wear life
* Case Hardening
• Significant research, development and field testing have resulted in a hardening process that is unequalled.
• Pin thread crest is hardened to nominal 55 HRc to eliminate damaging ‘adhesion’ wear
• Eliminates the transfer of wear material back and forth which is what happens between threads of equal hardness, leading to large scalegalling and joint seizing

Attention: Do not mix our drill rods with another manufacturer, it may causecatastrophic accident.
Note: For making sure the performance of the drill rods, never mix our rods with any another manufacturer's rods together, also it may cause machinery failures and catastrophic accident.
Packing Details
NCQ/NQ Drill Rods Bundle Specifications
| Dimensions (L x W x H) | Volume | Gross Weight | QTY |
3100x360x320mm | 0.36m3 | 455kg | 19 pcs/bundle |
* 20 ft container load of 3.0 m/10 ft drill rods holds 30 bundles (570 rods)
* 40 ft container load of 3.0 m/10 ft drill rods holds 45 bundles (855 rods)
Our Hollow Drill Rods for Rock Drill, Top Quality Mining Drilling Rod must go through strict quality test before leaving the factory to ensure to provide customers with satisfactory and reliable products. We make extraordinary efforts to turn challenges and pressure into opportunities and motivation, and goals into reality. 'Professional, dedicated' is the foundation of our success and our continuous progress is due to your support.
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