| Model NO. | 8-1/2"HNS416HQ |
| Type | PDC Drill Bit |
| Material | High Carbon Steel |
| Usage | Well Drilling, Oil & Gas Drilling, Mining |
| Blade Qty | 4 |
| Nozzles Qty | 5 |
| Primary Cutter Size | 16mm |
| Blade Structure | Spiral Type |
| Thermal Stability | 750℃ |
| Adaptable Formation | Hard Formations |
| Origin | China |
Precision, durability and reliability are the cornerstones of our PDC drill bits. We are committed to producing high-performance drilling tools for oil, gas and mining industries, integrating advanced technology, skilled craftsmanship and strict quality control to meet top standards and exceed customer expectations.
We invest heavily in advanced equipment (including 5-axis CNC Machining Centers) and use cutting-edge design software. Our engineering team optimizes drill bit structures to tailor products for diverse needs (deep wells, hard formations, horizontal drilling).
As a factory with independent R&D and in-house production capacity, our PDC bits feature self-manufactured premium PDC cutters: 0.8-3.0mm synthetic diamond layer bonded to high-strength tungsten carbide substrate, 2.5x more wear-resistant than standard cutters. With 750°C thermal stability and impact-resistant design, they stay sharp in 35% quartz formations, extending no-repair lifespan to 8,300 meters.
With full industrial chain autonomy, we offer customized diamond layer parameters for diverse formations. The cutter-substrate bonding strength is enhanced by 30%, and wear/impact resistance is 50% higher than universal models.
🛠️ High-Precision Steel Body & Structural OptimizationIt adopts a 5-axis machined 4145H steel body (±0.02mm precision) for precise cutter-blade adaptation, avoiding downhole cutter loss. A dual-dimensional vibration reduction structure reduces wear.
🌍 Full Formation AdaptationEfficient & Energy-saving Integrated Solution. Suitable for soft-medium, medium-hard and complex interbedded formations.
| Attribute | Parameters |
|---|---|
| Size | 4 Inch ~ 26 Inch |
| Material | 4145H |
| Blade Qty | 2 ~ 8 blades |
| Working Temperature | -20℃ to 280℃ |
| Weight on Bit | Customized |
| H.S Code | 8207191 |
| Size | API Reg Pin (Inch) | Recommended Make-Up Torque (KN.m) | |
|---|---|---|---|
| Inch | Millimeter | ||
| 4-5/8" | 117.5mm | 2-7/8" REG | 6.1~7.5 |
| 6" ~ 6-3/4" | 152.4~171.5mm | 3-1/2" REG | 9.5~12.2 |
| 7-1/2" ~ 8-3/4" | 190.5~222.3mm | 4-1/2" REG | 16.3~21.7 |
| 9-1/2" ~ 13-5/8" | 241.3~346.1mm | 6-5/8" REG | 38~43.4 |
| 14-3/4" ~ 26" | 374.7~660.4mm | 7-5/8" REG | 46.1~54.2 |
Each bit undergoes rigorous quality control, including ISO 9001:2015 certification, pressure fatigue testing, and cutter hardness inspection. Our QC team uses state-of-the-art equipment to verify precision and detect potential defects.
Packaging: Wooden Case, Steel Box
Delivery Cycle: Within 10 days.
Yes. All our drill bits comply with API and industry standards, compatible with most mainstream rig models and can be directly assembled without additional adjustments.
It depends on 3 key factors: drilling depth, formation type (abrasive/soft-hard alternating/hard rock), and rig specifications. We can recommend the most suitable model based on your parameters.
We mainly supply PDC drill bits (including 6-wing, 7-wing, 8-wing models), tricone drill bits, core drill bits, and scraper drill bits, suitable for onshore and offshore drilling.
Avoid excessive drilling pressure and speed; keep the drilling fluid clean to ensure cooling and chip removal; check the bit regularly for wear to avoid jamming.
By express (DHL/FedEx/UPS, 3-7 days), by air (5-10 days), by sea (20-35 days). We choose the most cost-effective way based on urgency.
Yes. Trial orders are acceptable for new customers to test our quality and performance.