Welcome to Rockhound
Drilling Tools Manufacturer
Within 5 years, to establish Rock Hound as a leading Chinese export brand in the global high-end heavy-duty rock drilling tools industry.
About us
Experienced And Trusted
Hebei Gimarpol Machinery Technology Co., Ltd is located in Shijiazhuang city, Hebei province. We’re specialized in drilling tool service. Providing full set of drilling tools, such as drilling machine, drilling bit, drilling rod and other accessories.
Gimarpol treasure each opportunity in cooperating with our clients. Our team remain committed to our founding principles.
Gimarpol provide highest quality service through competitive pricing, excellent production control, rigorous quality assurance, and on-time delivery.
With our rich experience for years and professional engineers, Gimarpol focus on providing complete solutions for your rock drilling tools.
Ongoing Project
Professional Process
The Drill Bits are made from 45CrNiMoV & YK05 grade alloy and special steel, generally matched with the heave-duty rock drill, to drill the rock hole within diameter of 100mm.
Advanced Technology
Using advanced 20-hour heat treatment technology and machining technology to make the product have higher hardness and toughness, more wear-resistant.
Good Material
23CrNiMo grade A special steel, which has suf-ficient weight, good toughness, durability and longer service life of more than 30%.
Product Center
Select Your Preferred Category
Bits
Coupling Sleeve
Rods
Shank Adapter
Partnership
Why choose RockHound
Drilling Equipment Solutions
Half a Century of Technical Heritage
With a legacy dating back to 1968, our engineering team possesses deep-rooted expertise in rock drilling metallurgy. We don't just make tools; we understand the "DNA" of the steel required for the toughest terrains.
Advanced Copper Shim & Hot-Fit Technology
Unlike standard cold-pressing, our hot-fitting process with copper shims ensures a 100% snug fit between the carbide and the bit body. This significantly reduces the risk of button failure and enhances durability in high-impact environments.
End-to-End Vertical Integration
We are the only manufacturer in the region with a complete production chain—from raw steel smelting to final forging. This allows us to control material purity and quality at every single stage, ensuring unparalleled product consistency.
Micron-Level Precision Engineering
Utilizing world-class CNC machinery from Okuma and DMG, we achieve thread tolerances of 0.02mm and insert fits of ±0.01mm. This precision translates to higher energy transfer efficiency and longer service life for your drill string.
World-Class Manufacturing Infrastructure
RockHound factory is equipped with over 360 sets of advanced industrial machines, including 5-axis machining centers and automated straightening machines. This high-tier infrastructure guarantees that every RockHound tool meets international OEM standards.
How it work
The core competence
The unique production line in China that covers the entire process of manufacturing drilling tools, from steelmaking to finished products (smelting, rolling and forging).
Main Products
- Our tools comprise ten major series and over a thousand specifications and varieties.
- The main types of tools include small hole drilling tools, light-duty rock drilling tools,underground long-hole drilling tools, drifting and tunneling tools, bench drilling tools, shank adapters, and picks.
- It is widely used in many fields such as mining, tunneling, railway, highway, hydropower construction, and blast furnace opening.
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- Get an Estimate
- Request a Quote
- Equipment Delivery
Premium services for your needs
Lastest News
Tapered vs Threaded Drill Rods: How To Choose
Compare Tapered vs Threaded drill rods. Learn why RockHound uses 23CrNiMo steel and 20-hour heat treatment to maximize drilling efficiency.
What Is Top Hammer Drilling? The Complete Guide
Learn what top hammer drilling is, how it works, and how to maximize performance. Explore RockHound’s advanced 45CrNiMoV bit bodies, 23CrNiMo rods, 20-hour heat treatment process, and field-proven results from mines in Chile and Hebei.
Top Hammer Drill Bit Material: 45CrNiMoV & YK05
Discover why 45CrNiMoVa alloy steel and YK05 carbide outperform standard grades including 42CrMo and 20CrNi2Mo. Compare case depth, core toughness, and cost-per-meter ROI for Top Hammer mining and quarry drilling operations.
Rock Drilling Tools
Frequently Asked Questions
COMPANY & PARTNERSHIPS
PRODUCT PERFORMANCE & SPECIFICATIONS
To apply for a distributorship, please submit the following: company name, registered address, and official website; corporate structure and year of establishment; projected annual sales volume and target product categories. Applications are reviewed by our business development team. Upon approval, a formal distribution agreement and official authorization certificate will be issued.
We are an official authorized distributor of GSS, a leading state-owned rock drilling tools manufacturer in China. We do not produce the tools ourselves; we source exclusively from GSS and can provide the official authorization certificate upon request.
As the official authorized distributor of GSS — China's only rock drilling tools manufacturer with a fully integrated production chain (steelmaking → rolling → forging in-house) — we offer several key advantages. First, consistent raw material quality: GSS controls the entire upstream metallurgical process, unlike competitors who rely on third-party steel mills with variable quality. Second, comprehensive OEM compatibility: our products are fully interchangeable with Epiroc/Atlas Copco, Sandvik, Furukawa, and Ingersoll Rand equipment. Third, full technical support including application-specific recommendations, drilling parameter guidance, and performance optimization. Fourth, high-capacity manufacturing backed by Sandvik, Okuma, and DMG Mori production equipment, 17 national patents, and annual output capacity of 300,000 drill bits, 250,000 drill rods, 100,000 shank adapters, and 200,000 couplings.
We currently do not have overseas branch offices. We conduct international sales through direct export and partnerships with local distributors in target markets, allowing us to serve customers globally with competitive lead times and flexible logistics arrangements.
Service life varies significantly depending on rock formation, drilling parameters, air pressure, and operational conditions. We maintain field performance data from multiple job sites and can provide reference benchmarks based on your specific rock type and equipment setup. Our technical team is also available to recommend the most suitable product configuration and assist with performance optimization.
Shank adapter pricing is primarily determined by two key dimensional parameters: outer diameter and overall length. A larger-diameter or longer shank adapter requires more raw material input and additional machining time, which directly increases the unit cost. For example, a YH80-T45-D45-620mm adapter is priced higher than a YH70-51-T45-610mm adapter due to its greater diameter and length, even though both share the same T45 thread type.
GSS is China's largest state-owned rock drilling tools manufacturer, backed by decades of metallurgical expertise and continuous R&D investment. The product portfolio spans dozens of series and over 1,000 specifications, underpinned by 17 national patents. The company operates industry-first production lines including a hollow steel drilling line and a heavy-duty friction welding line, as well as advanced equipment such as CNC cam lathes, 5-axis machining centers, 250-ton die forging presses, and carburizing heat treatment lines. The higher upfront cost is offset by longer drill footage per tool, reduced tool change frequency, lower total cost of ownership (TCO), and improved operational uptime at the drill site.
QUALITY ASSURANCE & AFTER-SALES
ORDERING, MOQ & COMMERCIAL TERMS
Our quality assurance process covers every stage of the supply chain. Before production, we confirm technical drawings and material specifications with the client. During manufacturing, in-process photos and videos are provided upon request. Upon completion, a full factory QC inspection report is issued along with final inspection photos and videos, ensuring every shipment meets the agreed-upon technical standards.
Reliability is built in from the raw material stage. GSS operates China's only fully vertically integrated rock drilling tools production chain — encompassing steelmaking, rolling, and forging — under a single roof. Each production batch is assigned a complete traceability record covering raw material certification, in-process inspections, and final QC data, enabling full chain-of-custody from billet to finished product. This eliminates the raw material inconsistency risk associated with sourcing steel from external mills.
Prior to dispatching samples, we conduct a thorough technical consultation to understand your application requirements, rock conditions, and drilling equipment specifications, and recommend products accordingly. All manufacturing follows a standardized quality management process, and a factory QC report is issued upon completion. In the event of a verified manufacturing defect resulting in financial loss, we will provide compensation. Where performance issues arise from operational practices or geological conditions outside the product's specified range, our technical team will provide actionable improvement recommendations.
Rock drilling tools are classified as consumable wear parts and are therefore not covered by a conventional warranty period. However, if a quality defect attributable to our production is confirmed, we will actively work with the client to provide a compensation or replacement solution. For issues caused by geological conditions or improper operational practices, our technical team will provide improvement recommendations and product optimization support.
We maintain limited inventory for select standard product lines. For small-quantity orders, please contact us to confirm current availability. For large-volume orders or custom-specification products, production scheduling will be required and lead time will be confirmed upon order placement
Our MOQ is flexible and can be adjusted based on your specific requirements. For in-stock standard items, small-quantity orders can typically be fulfilled promptly. For non-stock or custom-specification products, a minimum production run quantity and lead time will need to be confirmed upon order placement. We encourage you to share your requirements so we can advise on the most cost-effective ordering arrangement.
Our sample policy is tiered based on business potential. For high-potential clients — such as established mining or drilling companies with clear purchase requirements — complimentary samples may be provided, with freight covered by the buyer. For mid-tier potential clients, such as new customers with defined needs but unconfirmed order volume, a refundable sample fee applies with freight borne by the buyer. For speculative inquiries without confirmed purchasing intent, both sample cost and freight charges are to be covered by the requester. Please contact us with your company background and project details so we can determine the appropriate arrangement.
We offer multiple export-grade packaging options including plastic carry cases, wooden crates, pallets, and open-frame crating. The most appropriate packaging type is determined by product category, order quantity, and mode of transport — whether sea freight, air freight, or express courier — to ensure cargo integrity throughout international transit.
We are actively evaluating regional market demand and the feasibility of establishing in-country stocking arrangements. As our business volume in specific markets grows, we will prioritize setting up local inventory solutions to minimize lead times for key distribution partners. We welcome discussions with serious distributors who are interested in developing this model.