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Full Threaded Steel High Strength Self Drilling Hollow Grouting Rock Bolt
US$5.50
100-4,999 Pieces
US$4.00
5,000-9,999 Pieces
US$1.80
10,000+ Pieces
Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

After Received 1year

Warranty

After Received 1year

Model NO.

Hollow grout bolt 25 30 32

Application

Building Construction

Certification

CE, SGS

Tolerance

+0/-0.2mm

Heat Treatment

Annealed

Processing Service

Bending, Welding, Decoiling, Punching, Cutting

Tensile Strength

>180kN

Yield Strength

>125kN

Diameter

22mm, 25mm, 28mm, 32mm, 51mm, 76mm, 108mm

Report

SGS

Quality Control

100% Inspection

Thickness

2.75mm/3mm/3.5mm

Delivery Time

Within 10 Days

Transport Package

Standard Seaworthy Packing

Specification

R25 R32 R38 R51

Trademark

ODM

Origin

China

HS Code

7308400100

Production Capacity

10000 Tons/Month

Key features

Simultaneous Drilling & Grouting: Hollow bore allows flushing, drilling, and grouting in one single operation for fast installation.
Corrosion Protection: Hot-dip galvanizing available according to EN ISO1461 standard for enhanced durability.
Wide Diameter Range: Available in diameters from 22mm to 108mm, including R25, R32, R38, R51, and T76 series.
High Strength Performance: Ultimate load capacity up to 1900KN with tensile strength of 800 N/mm2 for rock bolts.
Versatile Application: Ideal for slope stabilization, tunneling, foundations, and difficult ground conditions like loose soil.
Standard Compatibility: Fits standard Boomer, ROC, and Mustang rigs with ISO 10208 & 1720 thread standards.
Flexible Processing: Customizable bending, welding, decoiling, punching, and cutting services with precise tolerance.
Fast Delivery: Standard delivery time within 10 days for efficient project scheduling and completion.

Company profile

Hebei Langben Building Materials Co., Ltd
Importers and ExportersFast DeliveryCustomization from SamplesODM Services
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service AvailableNearest Port: tianjingangAverage Response Time: ≤0.10hTerms of Payment: LC, T/T, PayPal

AI-Powered supplier vetting

SummaryHebei Langben Building Materials Co., Ltd is a trading company established in October 2023. It focuses on the mining and industrial sectors, emphasizing innovation and sustainability. The company offers customization services but lacks standard R&D capabilities and in-stock service capacity. Its financial data spans multiple years, and it serves a diverse clientele globally. However, it has no overseas presence or written procedures for customer complaints, and limited export sales experience.
Supplier typeHebei Langben Building Materials Co., Ltd is identified as a trading company based in China.
Financial creditFinancial data is available for the past three years, indicating some level of financial tracking.
R&D capabilityDespite emphasizing innovation, the company has not developed new products recently and lacks certain R&D capabilities.
Customization capabilityThe company offers full customization services, including ODM, but does not provide OEM for well-known brands.

Product Q&A

Q:What is the warranty period for this product?
A:
We provide a 1-year warranty after receiving the goods.
Q:What certifications does the product have?
A:
The product is certified with CE and SGS.
Q:What are the available diameters for the rock bolt?
A:
Available diameters include 22mm, 25mm, 28mm, 32mm, 51mm, 76mm, and 108mm.
Q:How can quality be guaranteed?
A:
We always provide a pre-production sample before mass production and conduct a final inspection before shipment.
Q:What is the delivery time?
A:
Standard delivery time is within 10 days.

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