What is the average lead time for production?

Peak season lead time is within 15 workdays, while off-season lead time is 6-12 months.

High Strength Tunnel Rock Bolt Self Drilling Mining Anchor Bolt

Name: High Strength Tunnel Rock Bolt Self Drilling Mining Anchor Bolt
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 1915544612

Shandong, ChinaShandong China Coal Industrial & Mining Supplies Group Co., Ltd.

US$2.10-3.50

1 Piece

Product profile

Customization

Available

Application

Machinery, Environmental, Building

Finish

Black

Model NO.

METAL BAR

Head Style

Round

Material

Stainless Steel

Type

Round Head

Outer Diameter

Connection

Hinged Bolts

Inner Diameter

Area

548

Ultimate Tensile Load

500

Yield Load

400

Ultimate Tensile Strength

912

Yield Strength

730

Nominal Weight

4.2

Transport Package

Wooden

Specification

standard

Trademark

ZHONGMEI

Origin

China

Production Capacity

100000 Sets Per Month

Key features

Self-Drilling Design: Hollow bar with sacrificial drill bit allows optimized installation in unstable ground.

Versatile Application: Suitable for sand, gravel, silt, clays, and soft to medium fractured rock formations.

High Strength Material: Made from stainless steel and HRB335 deformed steel with high tensile and yield strength.

Customizable Dimensions: Available in various diameters (16-22mm) and lengths (1400-2600mm) to fit project needs.

Grout Injection Capability: Allows cementitious grout or resin injection into the hollow bar and surrounding cavity.

Robust Bearing Capacity: High-strength spherical plates provide significant bearing capacity for secure anchoring.

Company profile

Self-brandedOverseas Services100% Finished Products InspectionProduct Certification

Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2008-08-01Nearest Port: Qingdao, Ningbo,Shanghai,ShenzhenAverage Response Time: ≤2.97hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, R&D, and sustainability capabilities. It provides broad customization, ODM, SDK, and OEM services, and reports CE and CCC product compliance certifications. Its after-sales services include installation, debugging, maintenance, repair, and training in Denmark, Colombia, India, and Georgia, although it has no overseas agents, branches, warehouses, or showrooms. Manufacturing support includes specified production equipment, in-stock capability, valid contracts with associated subcontractors, and documented inspection and corrective-action procedures. The supplier reports export experience of eight years and that 71%–90% of sales come from exports. Financial information is present for 2021–2023, but the slices do not provide sufficient detail to assess financial strength. It has served well-known brands through OEM services but reports no cooperation with Fortune 500 companies.

Supplier typeThe supplier is classified as a combined company and presents manufacturing, export trade, service, quality-control, R&D, and sustainability capabilities. It also reports production equipment, inventory capability, and valid contracts with associated subcontractors, indicating an integrated supplier structure.

CertificationsThe supplier reports CE and CCC product compliance certifications. It also reports an unspecified management-system certification category (“Others”), but no specific management-system standard is identified.

After-Sales capabilityAfter-sales services include equipment installation, debugging, maintenance, repair, and training in Denmark, Colombia, India, and Georgia. However, the supplier has no overseas agents or branches, warehouses, or showrooms, so local service infrastructure is limited.

R&D capabilityThe supplier reports R&D capability, new products during the past year, ODM services, and an available SDK. These explicit offerings support an active product-development and design capability.

Production capacityProduction resources include cutting, painting, sawing, and shearing equipment, along with in-stock capability and valid manufacturing contracts with associated subcontractors. Finished-product inspection uses written instructions that are uniformly followed, while supplier-service procedures and corrective actions are documented and recorded.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad customization range is reported for both R&D and design-service capability.

Client casesThe supplier reports OEM service for well-known brands and participation in the Changsha International Construction Machinery Exhibition. It also reports no cooperation with Fortune 500 companies, so the evidence supports some brand and market experience but not top-tier corporate references.

Product Q&A

Q:What types of ground conditions is this anchor bolt suitable for?

It is designed for unstable ground conditions such as sand, gravel, silt, and clays, as well as soft to medium fractured rock formations.

Q:How does the self-drilling installation process work?

A hole is drilled using a sacrificial drill bit and hollow bar. After drilling, cementitious grout or resin is injected into the hollow bar and surrounding cavity.

Q:What materials are used for the anchor bolts?

The bolts are made from stainless steel and HRB335 deformed steel, offering high strength and durability.

Q:What are the available diameter and length options?

Diameters range from 16mm to 22mm, and lengths are available from 1400mm to 2600mm depending on the specific diameter.

Q:What are the payment terms for this product?

Payment terms include LC, T/T, and Western Union.