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39mm Steel Mining Rock Split Set Friction Bolts for Roof Support in Underground Mining
US$2.30
100-4,999 Pieces
US$1.90
5,000-9,999 Pieces
US$1.20
10,000+ Pieces
Sample price:US$1.10/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
After Received 1 YearWarranty
After Received 1 YearModel NO.
Split Set BoltsCertification
CE, RoHS, ISO 9001:2000, ISO 9001:2008Standard
BS, GB, ASTMSurface Treatment
GalvanizedManufacturing Process
ForgingMaterial
Carbon SteelApplication
Coal Mining, Roadway Support, etcInstallation Site
Surface EngineeringAnchor Type
Rock AnchorLength
Customized LengthFeature
Easy InstallColor
Brown, SilverThickness
1.2mm,1.5mm,1.7mm,1.8mm,2.0mm,2.2mm,2.3mm,2.5mm,2.Outside Diameter
30mm,33mm,40mm,42mm,43mm,46mm,etcAdvantage
Has High Alkali Resistance and Tensile StrengthSample
AvailabeQuality
ExcellentRing
Spot Welding and Full WeldingSelling Units
Single ItemTolerance
+0/0.2mmTensile Strength
≥180Transport Package
Standard Seaworthy PackingSpecification
Q235, 16Mn, 20 MnsiTrademark
LB ODMOrigin
Handan, ChinaHS Code
7308400000Production Capacity
1000 Ton/Tons Per MonthKey features
High Strength & Stability: Made of high-strength steel pipe with high tensile strength to prevent formation sliding.
Easy Installation: Simple construction requiring only drilling, grouting, and anchoring without large machinery.
Wide Application Range: Suitable for weak strata, karst zones, faults, subways, tunnels, and underground mining.
Customizable Dimensions: Available in customized lengths and multiple outside diameters (30mm-46mm) to fit specific needs.
Corrosion Resistance: Galvanized surface treatment provides high alkali resistance and extended service life.
Certified Quality: Products certified with CE, RoHS, ISO 9001:2000, and ISO 9001:2008 standards.
Versatile Material Options: Constructed from Carbon Steel (Q235) with options for Brown or Silver finishes.
Professional Manufacturer: Established in 2011 with modern workshops, exporting to over ten countries globally.
Company profile
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 warranty period for the rock bolts?
A:
We provide a 1-year warranty after receipt of the goods.
Q:What certifications do your products have?
A:
Our products are certified with CE, RoHS, ISO 9001:2000, and ISO 9001:2008.
Q:Can the length and diameter be customized?
A:
Yes, we offer customized lengths and various outside diameters such as 30mm, 33mm, 40mm, 42mm, 43mm, and 46mm.
Q:What are the main applications for these split set rock bolts?
A:
They are widely used in coal mining, roadway support, subway tunnels, underground shopping malls, and other geological support projects.
Q:What is the standard installation method?
A:
The method involves drilling a hole, cleaning rock powder with compressed air, and driving the bolt into the hole using an impact drill or ram drill.
Send Inquiry
*To:
Hebei Langben Building Materials Co., Ltd
Hebei Langben Building Materials Co., Ltd*Content:
Supplier replies will be sent to your registered email
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