Drilling Accessories
Your Professional Drilling Accessories Supplier
Our goal is to become your true partner in the field of core barrels in China. Guizhou Gold Drills Equipment Co., Ltd (GDRILLS) was established in China. The key management, sales team and professional technical engineers have been served in rock drilling industry for more than 20 years. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why Choose Us
Our certificates
We have established a complete quality management system and passed ISO9001 quality management system certification and ISO14001 environmental protection management system certification.
Production market
Our products have been used in many large-scale mines and tunnel projects, and our business scope covers Africa, the Middle East, Central Asia, South America, Australia and other regions.
Our services
In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
The drilling accessories produced by our company mainly include the following types:
Drilling Reaming Shells
Connect core drill bits and core barrels. Diamond core reaming shells are crucial drilling tools used in core drilling operations to maintain hole stability and ensure the smooth passage of the drill string.
Drilling Core Wrench
A drilling core wrench is a specialized tool used for gripping, tightening, and loosening drill rods, casings, and other threaded components during core drilling operations. It provides a secure grip, reducing the risk of slippage while ensuring efficient and safe handling of drilling equipment.
Advantages of Drilling Accessories
Drilling Reaming Shells
Drilling reaming shells have many advantages, including:
Durability and strength: Core reaming shells are built to withstand the demanding conditions of core drilling operations. They are constructed using high-quality materials, such as diamond-impregnated metals or tungsten carbide, ensuring they can endure the harsh environments of hard rock formations.
Enhanced borehole stability: One of the key features of core reaming shells is their ability to stabilize the borehole during the drilling process. By maintaining a consistent diameter and preventing deviation, they help keep the core barrel aligned and reduce the risk of the hole collapsing.
Smooth drilling performance: Core reaming shells are designed to ensure smooth drilling performance by effectively smoothing the walls of the borehole. This function prevents bit binding, which can result from rough or uneven borehole walls. The reaming action created by the shell helps in achieving a clean and accurate core sample, which is vital for mineral exploration and geotechnical applications.
Drilling Core Wrench
Drilling core wrench have many advantages, including:
Precision and accuracy: Core drilling creates clean, well-defined holes with smooth edges, which is crucial for accurate placement of utilities, anchors, and other installations.
Reduced structural damage: The controlled process minimizes the risk of structural damage to surrounding concrete, ensuring the integrity of the structure.
Versatility: Core drilling can be used for various applications, including installing pipes, conduits, and other infrastructure, as well as for sampling and testing concrete.
Drilling Reaming Shells
Drilling reaming shells can be used for a variety of purposes, including: They also smooth out the walls of the borehole, which ensures a cleaner and more accurate core sample. This helps maximize core recovery rates, which is essential in mineral exploration and geotechnical investigations. Additionally, diamond reaming shells improve the overall efficiency of the drilling process, enabling longer operational life for both the core bit and the core barrel while facilitating more consistent and faster drilling operations.
Drilling Core Wrench
Drilling core wrench can be used for a variety of purposes, including: Used to securely tighten or loosen threaded connections on drill rods. A stationary wrench that holds drill rods in place. Provides support while another wrench is used to turn the rod or casing. Features a strong chain to grip larger casings and rods. A versatile wrench that can adjust to different rod and casing sizes. Useful for various drilling applications by fitting multiple rod sizes.
Specification of Drilling Reaming Shells
|
Size |
Outside Set Diameter |
|
|
Inch |
Mm |
|
|
BQ |
59.82/60.07 |
2.355/2.365 |
|
NQ/NQ2/NQ3 |
75.57/75.82 |
2.975/2.985 |
|
HQ/HQ3 |
95.89/96.24 |
3.775/3.789 |
|
PQ/PQ3 |
122.28/122.78 |
4.814/4.834 |
1、Professional Diamond Core Drilling Accessories & Tools
With Gdrills' extensive selection of drilling accessories, you can reduce downtime and guarantee seamless drilling operations. Our components are precisely developed to be 100% compatible with international B, N, H, and P wireline systems, from vital wireline retrieval tools to crucial recovery equipment.
2、Essential Tools for Every Diamond Drilling Project
2、每个金刚石钻孔项目必备工具
Wireline Retrieval Tools (Overshot & Parts)
电缆作业回收工具（过冲及部件）
In difficult drilling operations, our heavy-duty overshots are made for dependable and effective inner tube recovery. They come in BQ, NQ, HQ, and PQ overshot assemblies and have toughened lifting dogs and a safety locking mechanism to guarantee a firm grasp and dependable performance in demanding industrial environments.
在难度极高的钻井作业中，我们设计的重型吊钩可实现可靠高效的内管回收。该吊钩组件包括 BQ、NQ、HQ 和 PQ 型号，配备加固的吊钩和安全锁定机构，确保在严苛的工业环境中也能牢固抓取并可靠运行。
Fluid Management (Water Swivels)
液体管理（水力旋转接头）
The purpose of high-speed water swivels is to smoothly rotate while applying high-pressure flushing to the drill string. They come in heavy-duty, universal, and compact designs and include precision seals that successfully stop leaks at high pressure, guaranteeing dependable operation and a longer service life.
高速水力旋转接头的作用是在对钻柱施加高压冲洗的同时平稳旋转。它们有重型、通用型和紧凑型等多种设计，并配备精密密封件，可在高压下有效防止泄漏，从而确保可靠运行和更长的使用寿命。
Safety & Handling (Foot Clamps & Hoisting Plugs)
安全操作（脚踏夹具和吊装插头）
Use dependable handling equipment made for safe drilling operations to protect your team and equipment. While hoisting plugs are designed for the safe lifting and positioning of drill rod strings, foot clamps (rod holders), which come in gas-spring or hydraulic varieties for BQ to PQ sizes, offer steady and effective rod handling.
使用专为安全钻井作业设计的可靠搬运设备，以保护您的团队和设备。吊装塞专为安全地提升和定位钻杆柱而设计，而适用于 BQ 至 PQ 尺寸的气弹簧式或液压式底夹（杆夹）则可提供稳定有效的钻杆搬运。
3、Professional Recovery Tools for Down-Hole Emergencies
Don't let a broken rod or misplaced casing derail your endeavor. Professional-grade recovery solutions are offered by Gdrills:
Recovery Taps (Fishing Taps)
Both drill rods and casing (left-hand and right-hand threads) are compatible with recovery taps, also known as fishing taps.
Bell tapes
Bell taps are specifically made to retrieve broken couplings or smooth pipes.
Casing Cutters
Casing Cutters are accurate instruments for cutting casing strings at any depth
Features of Drilling Reaming Shells
Core reaming shells are available in a wide range of sizes and designs to be compatible with various core barrel systems, including HQ, PQ, BQ, and NQ sizes. Whether it's for wireline or conventional drilling, these shells are versatile and can be used in various industries such as mining exploration, geotechnical investigations, and construction drilling.
Customizable Option of Drilling Reaming Shells
To address specific drilling needs, core reaming shells can be customized to suit different rock formations and drilling conditions. Options for matrix hardness, crown profile, and waterway design allow for tailored solutions that enhance the performance and longevity of the reaming shell. Customization ensures that the shell performs optimally, whether drilling in hard rock, soft formations, or abrasive materials.
Features of Drilling Core Wrench
Non-slip grip design: A secure grip is crucial when handling drill rods and casings. These wrenches are designed with a non-slip surface, preventing accidental slippage and enhancing operator safety. This feature ensures a firm hold, even in wet or muddy drilling environments.
Available in multiple sizes: To accommodate different drilling needs, diamond core drilling wrenches are available in various sizes, compatible with bq, nq, hq, pq rods, and other industry-standard specifications. This versatility allows drillers to work with different equipment without needing multiple tools.
Ergonomic handle design: Drilling wrenches are designed with ergonomic handles to reduce operator fatigue and improve efficiency. A well-balanced and comfortable grip minimizes strain during prolonged use, allowing drillers to work more effectively without excessive hand or wrist stress.
Heavy-duty performance: These wrenches are built for high-torque applications, making them ideal for tightening and loosening drill rods and casings in deep-hole drilling. Their ability to handle extreme force ensures a reliable connection between drilling components, preventing equipment failure during operations.
Packing and Shipping of Drilling Accessories
|
Packing |
Cartonbox, plastic bag, wooden case. |
|
Shipping |
Shipped by road, sea, rail |
Q: What drill to use for core drilling?
A: Typically you would use a diamond core drill which can be fitted to a power drill.
Q: Do you need a special drill for core drilling?
A: Core drilling requires a specialized tool called a core drill or coring tool. The purpose of a core drill is to cut large holes through masonry surfaces like brick, concrete, cement, sandstone, stucco, and tile.
Q: Do you use hammer when core drilling?
A: If you are going to use diamond core, coring can take place from either face of the wall and you do not get breakout when core exits other side. You do NOT use hammer action on the core.
Q: Can you core drill with a regular drill?
A: While it's possible to use a regular drill for small-scale core drilling tasks, a dedicated core drill is more efficient and provides better results when drilling through hard materials.
Q: What is a reaming shell?
A: The reaming shell is an integral part of a diamond drilling system and acts as a coupling between the core bit and the outer barrel.
Q: What's the difference between drilling and reaming?
A: The rotary cutting tool used in reaming is known as a reamer. Like drill bits, reamers also remove material from the workpiece on which they are used.
Q: What is the cutting speed for reaming compared to drilling?
A: Cutting speed is the speed at which the cutting edge passes over the material while cutting, and is expressed in meters per minute.
Q: Are your accessories compatible with other major wireline brands?
A: Yes, all our Q-series accessories (Overshots, Plugs, etc.) are manufactured to international DCDMA standards and are 100% interchangeable with existing global systems.
Q: How often should I replace the seals in my Water Swivel?
A: It depends on the rotation speed and mud abrasiveness. We provide specialized Water Swivel Seal Kits for quick on-site maintenance to prevent downtime.