How long is the delivery time?

The standard delivery time is 5-15 days.

What are the payment terms?

Accepted payment types include T/T, L/C, D/P, and D/A, with USD as the accepted currency.

R25 Mine Tunnel Roof Support Self Drilling Rock Grouting Anchor Bolt

Name: R25 Mine Tunnel Roof Support Self Drilling Rock Grouting Anchor Bolt
Brand: Hebei Langben Building Materials Co., Ltd
SKU: 1945454741

Hebei, ChinaHebei Langben Building Materials Co., Ltd

US$15.00

1,000-4,999 Pieces

US$11.00

5,000-9,999 Pieces

US$8.00

10,000+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

After Received 1year

Warranty

After Received 1year

Model NO.

R25

Certification

CE, ISO 9001:2000, ISO 9001:2008

Standard

GB, ASTM

Surface Treatment

Galvanized

Manufacturing Process

Forging

Material

Carbon Steel

Color

Black,Silver

Capacity

Strong

Tensile Strenghth

>180kN

Size

Customized Sizes

Diameter

32mm

Head Type

Round

Delivery Time

5-15days

Yield

400

Sample

Avaliable

Advantage

High-Quality Products

Quality Control

100%

Tolerance

+0/-0.2mm

Thickness

2.75mm/3mm/3.5mm

Transport Package

Plastic Bags+Cartons+Pallet

Trademark

Origin

China

HS Code

7308400100

Production Capacity

10000 Tons/Month

Key features

Hollow Grouting Design: Integrates anchor rod and grouting pipe to prevent mortar loss and ensure complete encapsulation.

High Tensile Strength: Carbon steel construction with tensile strength exceeding 180kN for strong bearing capacity.

Customizable Sizes: Available in customized sizes with diameters like 32mm and various thickness options.

Corrosion Resistance: Galvanized surface treatment protects against rust and ensures long-term support stability.

Easy Installation: No on-site thread processing needed; direct installation with pad and nut for safety and speed.

Certified Quality: Meets CE, ISO 9001, GB, and ASTM standards with 100% quality control inspection.

1-Year Warranty: Comprehensive 1-year warranty coverage provided after receipt of goods.

Fast Delivery: Efficient production and shipping with a delivery time of 5-15 days for standard orders.

Company profile

Importers and ExportersFast DeliveryCustomization from SamplesODM Services

Hebei Langben Building Materials Co., Ltd

Hebei, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service AvailableNearest Port: tianjingangAverage Response Time: ≤1.53hTerms of Payment: LC, T/T, PayPal

About Our Factory & Business Background

AddressStreet and Jianshe Road in Linmingguan Town, Yongnian District, Handan, Hebei, China

Plant Area400 square meters

Number of Employees14

Registered Capital3,000,000 RMB

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsRock Bolt, Resin Capsule, FRP Anchors, U-Shaped Steel Support, Welded Wire Mesh, Cable Bolt Strand, Drill Bit, Drill Pipe, Split Set Anchor Bolt, Hollow Grout Rock Bolt

Our Industry Experience & Global Business Record

Year of Establishment2023-10-17

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the main function of this hollow grouting bolt?

It strengthens rock and soil layers in tunnels by injecting slurry through the hollow rod body, combining the bolt and rock into a single reinforced structure.

Q:What materials and surface treatments are used?

The bolt is made of carbon steel with a galvanized surface treatment to prevent rust and ensure durability.

Q:Are custom sizes and colors available?

Yes, customized sizes are available, and colors include black and silver options.

Q:What is the warranty period for this product?

We provide a 1-year warranty after the goods are received.

Q:What certifications does the product hold?

The product is certified with CE, ISO 9001:2000, ISO 9001:2008, GB, and ASTM standards.