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Water Expansion Bolt for Mining and Tunneling
US$6.00-10.00
500 Meters
Product specifications
MM
Sample price:US$8.00/meter.Request sample
Product profile
Customization
AvailableCertification
ISO 9001:2008Standard
GBSurface Treatment
Spray-PaintManufacturing Process
MachiningMaterial
Alloy SteelTransport Package
BundleSpecification
Pm12, Pm16, Pm24Trademark
TOPMETALOrigin
ChinaHS Code
7308400000Production Capacity
2000tonKey features
High Load Capacity: Failure load up to 240 kN with uniform pressure for strong holding force.
Rapid Installation: Achieves immediate support and high load-bearing capacity quickly after inflation.
Suitable for Weak Rock: Effective in fractured or soft rock conditions where traditional anchors fail.
ISO 9001 Certified: Manufacturing process meets ISO 9001:2008 quality standards.
Alloy Steel Material: Constructed from durable alloy steel with spray-paint surface treatment.
Simple Design: Consists of fewer components compared to resin or mechanical bolts.
Versatile Applications: Ideal for coal mining, tunneling, cavern construction, and slope stabilization.
Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-12-24Nearest Port: Xingang, Qingdao, ShanghaiAverage Response Time: ≤5.84hTerms 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:What are the main applications of swelling rock bolts?
A:
They are primarily used in underground coal mining, tunnel and cavern construction, slope stabilization, and rehabilitation of existing structures.
Q:What is the failure load capacity for the Pm24 model?
A:
The Pm24 model has a failure load of at least 240 kN.
Q:How does the swelling rock bolt provide support?
A:
It relies on expansion to generate a secure hold within a borehole, providing continuous support along the entire bolt.
Q:What materials are used to manufacture this product?
A:
The product is made of alloy steel with a spray-paint surface treatment.
Q:What is the lead time for this product?
A:
The lead time is within 15 workdays during off-season and one month during peak season.
Send Inquiry
*To:
Handan Topmetal Co., Ltd.
Handan Topmetal Co., Ltd.*Content:
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