A twisted spiral drill rod is a coal mine drilling rod for high-efficiency soil penetration and rock drilling in challenging environments. Its defining feature is a deep, continuous helical (spiral) groove machined along the entire shaft, which enables rapid removal of drilling debris (cuttings) while maintaining borehole stability. Fabricated from ultra-durable alloy steel with optional wear-resistant coatings (e.g., carbide or diamond-enhanced), this rod excels in abrasive or corrosive conditions, such as mining, geothermal drilling, or deep foundation projects. The spiral design minimizes friction, dissipates heat, and enhances torque transmission, allowing for faster drilling speeds and extended tool life.
The spiral design enhances drilling stability, reduces friction, and allows rapid penetration through hard rock formations, loose soils, or compacted materials. Twist drill rods are widely utilized in mineral exploration, oil and gas drilling, foundation engineering, and geothermal installations, offering reliability in both vertical and angled drilling configurations. Standard specifications include customizable lengths, diameters, and thread types to suit diverse rig setups and project requirements.
Product Description
| Diameter(mm) |
Thickness(mm) |
Thickening type |
Length(mm) |
Thread |
Board shank slot |
| 76 |
5-8mm |
IU |
1000/ 1500/ 2000/ 2500/ 3000/ 4000/ 5000/ 6000 |
2 3/8API REG |
Double buckle |
| Single buckle |
| |
| |
| |
| |
| |
| |
| 89 |
6-9.35mm |
IU |
1000/ 1500/ 2000/ 2500/ 3000/ 4000/ 5000/ 6000 |
2 3/8 IF |
Double buckle |
| Single buckle |
| |
| |
| |
| |
| |
| |
| 102 |
7-8.38mm |
IU/IEU |
1500/ 2000/ 2500/ 3000/ 4000/ 5000/ 6000 |
2 7/8 IF 3 1/2 REG |
Double buckle |
| Single buckle |
| |
| |
| |
| |
| |
| 114 |
6-9.35mm |
IU |
1500/ 2000/ 2500/ 3000/ 4000/ 5000/ 6000 |
2 7/8 IF 3 1/2 IF/REG |
Double buckle |
| Single buckle |
| |
| |
| |
| |
| |
| 127 |
9mm |
IU |
1500/ 2000/ 2500/ 3000/ 4000/ 5000/ 6000 |
3 1/2 IF |
Double buckle |
| Single buckle |
| |
| |
| |
| |
| |
| 140 |
8-12mm |
IU |
3000/ 4500/ 5000/ 6000 |
4 1/2 REG or 4FH |
Double buckle |
| Single buckle |
| |
| |
|
Company Profile
1.What can you buy from us?
DTH drilling rig,Integrated DTH DTH drilling rig ,core drilling rig,highway pile driver,solar pile driver ,anchor pile driver,rotary drill rig ,Top Hammer drill rig,Underground jumbo drill rig ,DTH hammer,screw air compressor,screw air compressor,piston air compressor,pneumatic rock drill ,drill rod,drill bit,PDC drill bit,top hammer drill bit,tricone bit ,spare parts.
2.How can I make payment?
A:You can pay by credit card, TT, Western Union, LC etc.
3.How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT. You can also appoint shipping method you like before we ship.
4.How is your quality control?
A: We have our own experienced QC. There will be strict inspection and testing for every order before shipping out.
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