What are the shipping options?

For sample orders, we suggest courier express (DHL/UPS/TNT/FEDEX) or air freight. For bulk orders, we suggest air or sea freight.

What materials are used for these bolts?

The bolts are made from Alloy Steel or Carbon Steel.

Is customization available?

Yes, we offer customization from designs, samples, full customization, and minor customization.

Reliable Premium Strength Bolts for Subsurface Building Projects

Name: Reliable Premium Strength Bolts for Subsurface Building Projects
Brand: Shandong Fengyuanhongke Equipment Technology Co., Ltd
SKU: 2148692642

Shandong, ChinaShandong Fengyuanhongke Equipment Technology Co., Ltd

US$13.00

50-99 Pieces

US$11.50

100+ Pieces

Product profile

Customization

Available

Application

Rock Drilling

Material

Alloy Steel/Carbon Steel

Standard

ISO 9001:2015

Type

Anchor Bolt

Model No.

R51

Manufacturing Process

Machining

Machine Type

Drilling Tool

Advantage

High Performance

Color

Black

Surface Treatment

Rust-Proof

Standard Length

Custom Length

Pallet Specification Dimensions

≥100X100X9

Transport Package

Bundle; Carton/MDF Pallet

Specification

MSGLW-335, MSGLW-500, MSGLW-600

Trademark

FYHK

Origin

China

HS Code

8431432000

Production Capacity

3000000

Key features

High Strength & Fast Growth: Yield strength up to 500MPa with rapid strength growth for immediate load bearing.

Custom Length Available: Standard length is customizable to meet specific project requirements.

Rust-Proof Surface Treatment: Black rust-proof surface treatment ensures durability in complex underground conditions.

High Support Efficiency: Convenient installation with low labor intensity significantly reduces support costs.

ISO 9001:2015 Certified: Manufactured under strict ISO 9001:2015 standards for consistent quality.

Suitable for Rock Drilling: Specifically designed for underground rock tunnels, semi-coal, and coal tunnels.

100% Finished Inspection: Strict visual and functional inspection ensures every product meets quality standards.

Professional Packaging: Sea-worthy plywood packaging with clear handling marks ensures safe transport.

Company profile

Importers and ExportersSelf-brandedPatents AwardedNational Award received

Shandong Fengyuanhongke Equipment Technology Co., Ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.11h CertifiedTerms of Payment: T/T, LC, PayPal

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization capability, documented quality and corrective-action procedures, inventory availability, and a stated innovation focus supported by new product development and one internationally recognized design award. Its business scope covers machinery, mechanical and electronic products, components, engineering design, installation, and maintenance. However, it does not provide ODM services, lacks overseas agents, branches, warehouses, showrooms, and offline trade-show participation, and has no valid manufacturing-capacity contract with related subcontractors. Financial credibility and customer-case evidence are insufficient for a definitive assessment.

Supplier typeThe supplier’s stated business scope covers production-specific machinery, hardware, chemical-product sales, mechanical and mining machinery, forgings, powder metallurgy, mechanical-electrical equipment, components, hydraulic machinery, bearings, gears, transmission components, electronic products, metal structures, building materials, and industrial engineering design, installation, and maintenance. This supports classification as a machinery and industrial-equipment supplier with related engineering services.

CertificationsThe company description states that the supplier has received recognition including National High-tech Enterprise status, the Second Prize for Scientific and Technological Progress of the Chinese Society of Rock Mechanics and Engineering, and designation as a Shandong Province specialized and innovative small or medium-sized enterprise. These are explicit organizational or industry recognitions, although no specific product or management-system certification is provided.

After-Sales capabilityThe supplier has clear procedures and records for handling customer complaints and corrective and preventive actions, and its business scope includes installation and maintenance services. However, it has no overseas agents or branches, no overseas warehouse, no overseas showroom, and reports zero countries offering overseas services, so international after-sales coverage is limited.

R&D capabilityThe supplier reports new products during the past year, describes an innovation-driven development strategy, and holds one internationally recognized design award. It does not have an available SDK and does not provide ODM services, but these limitations do not negate the explicit evidence of product-development and innovation activity.

Production capacityThe supplier has inventory capacity, documented finished-product inspection instructions that are uniformly followed, written service-capability assessment procedures with records, and 33 qualified suppliers for service capability. However, it reports no valid manufacturing-capacity contract with its factory and related subcontractors, creating a documented weakness in formal production-capacity arrangements.

Customization capabilityThe supplier explicitly offers customization from designs, customization from samples, full customization, and minor customization. This is consistent across both design-service entries and demonstrates a broad stated customization range.

Product Q&A

Q:What are the payment methods?

We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight.

Q:What is the production lead time?

Normally 25 days for production based on order quantity. Only 2-3 days if stock is available for your requested size.

Q:What is the Minimum Order Quantity?

The Minimum Order Quantity is 1 set.

Q:How do you ensure product quality?

We have experienced QC staff performing strict inspection and testing on every order before shipping. Finished products undergo 100% visual and functional inspection.

Q:What after-sales services are provided?

Our sales team responds within 24 hours (excluding holidays). Technical support is available anytime. Free replacement is provided if failure is confirmed to be caused by our product quality.