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Threaded Hollow Bar/Self Drilling Anchor Bolt R51
US$3.00-20.00
2,000 Meters
Product profile
Customization
AvailableApplication
ConstructionCertification
ISOModel NO.
R51Surface Treatment
YesTechnics
Hot RolledMaterial
SteelType
Rock BoltTransport Package
BundleSpecification
R25, 32, 38, 51, T76Trademark
TOPMETALOrigin
ChinaHS Code
7308400000Production Capacity
100000mKey features
High-Strength Steel Material: Made of GB/T 3077 alloy structural steel with high strength and plasticity.
Hollow Structure Design: Resists bending and shearing better than solid bars; inner hole serves as grouting passage.
Continuous Thread Connection: Features continuous R or T threads connectable via couplings for extended lengths.
Customizable Specifications: Diameter, length, thread type, and surface treatment can be customized per requirements.
Multi-Application Versatility: Used as drill pipe, grouting pipe, or reinforcing rib in tunnels, rock slopes, and mining.
ISO Standard Compliance: Threads conform to ISO 10208 and ISO 1720 standards for rock drilling tools.
Surface Treatment Options: Available in galvanizing, epoxy, and double anti-corrosion treatments based on usage.
Factory Direct Supply: Own factory ensures reasonable prices, good quality, and timely steady delivery.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-12-24Nearest Port: Xingang, Qingdao, ShanghaiAverage Response Time: ≤5.56hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF
AI-Powered supplier vetting
SummaryHandan Topmetal Co., Ltd. is a China-based limited trading company with stated manufacturer/factory capability, specializing in geotechnical engineering and related steel products. The supplier reports its own factory, more than 10 production lines, ISO 9001 certification, 50 years of total R&D engineer experience, and 11–20 quality-control staff. It exports approximately 90% of sales and serves markets across multiple regions, with stated lead times of within 15 working days during off-peak periods and one month during peak periods. The information supports strengths in production infrastructure, quality-system certification, export reach, and relevant product experience. However, evidence is insufficient to confirm customization capability, after-sales service processes, financial credibility, or specific customer cases. No financial figures are included.
Supplier typeThe supplier is identified as a trading company and as both a trading company and manufacturer/factory. It has an identified factory location and specializes in geotechnical engineering products, indicating a hybrid trading-manufacturing structure rather than a pure intermediary.
CertificationsThe supplier explicitly reports holding ISO 9001 management-system certification. This is direct evidence of a documented quality-management certification, although the provided information does not include its validity period or certification scope.
R&D capabilityThe supplier reports 50 years of total R&D engineer experience, which supports access to experienced technical personnel. Nevertheless, no information is provided on patents, new-product development, proprietary technology, or documented innovation outcomes.
Production capacityThe supplier states that it has its own factory, operates more than 10 production lines, and maintains relationships with cooperative manufacturers. It also reports broad export coverage and stated order lead times of within 15 working days off-peak and one month during peak periods, supporting substantial production and fulfillment capability.
Product Q&A
Q:Can you send samples?
A:
Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q:What product information do I need to provide?
A:
Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q:It's my first time to import steel products, can you help me with it?
A:
Sure,we have agent to arrange the shipment, we will do it together with you.
Q:What about product prices information?
A:
Prices various according to periodic price changes of raw materials.
Q:Do you provide custom made Products service?
A:
Yes,if you have your own design , we can produce according to your specification and drawing.
Send Inquiry
*To:Handan Topmetal Co., Ltd.
Handan Topmetal Co., Ltd.*Content:
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