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Expansion Shell Bolt for Mining and Tunneling
US$6.00-10.00
500 Meters
Sample price:US$8.00/meter.Request sample
Product profile
Customization
AvailableCertification
ISO 9001:2008Standard
GBModel NO.
Pm12, Pm16, Pm24Surface Treatment
Without ProcessingManufacturing 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 yield load reaching 200 kN for secure holding force.
Rapid Installation: Achieves high load-bearing capacity quickly after inflation for immediate support.
Suitable for Weak Rock: Effective in fractured or soft rock conditions where traditional anchors might fail.
ISO 9001:2008 Certified: Manufacturing process meets international quality standards for reliability.
Full-Length Support: Provides continuous support along the entire bolt unlike point-anchored bolts.
Simple Design: Consists of fewer components compared to resin or mechanical bolts for ease of use.
Alloy Steel Material: Constructed from durable alloy steel for long-term performance in mining.
Versatile Applications: Ideal for coal mining, tunnel construction, slope stabilization, and rehabilitation.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-12-24Nearest Port: Xingang, Qingdao, ShanghaiAverage Response Time: ≤7.12hTerms 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 failure and yield loads for the Pm24 model?
A:
The Pm24 model has a failure load of at least 240 kN and a yield load of at least 200 kN.
Q:In which scenarios are swelling rock bolts primarily used?
A:
They are used in underground coal mining, tunnel and cavern construction, slope stabilization, and rehabilitation of existing structures.
Q:How does the swelling rock bolt provide support?
A:
It relies on expansion to generate a secure hold within a borehole, providing continuous full-length support.
Q:What is the manufacturing process for this product?
A:
The manufacturing process involves machining, and the material used is alloy steel.
Q:What are the available hole diameter ranges?
A:
The hole diameter ranges are 32-39 mm, 43-52 mm, and 43-52 mm depending on the specific model.
Send Inquiry
*To:
Handan Topmetal Co., Ltd.
Handan Topmetal Co., Ltd.*Content:
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