Import Maxdrill R51 Self-Drilling Anchor Bolt — Buy in wholesale FOB from Supplier in China
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Maxdrill R51 Self-Drilling Anchor Bolt
The Maxdrill R51 Self-Drilling Anchor Bolt is a rock support system engineered for soft rock, fractured zones and high-stress underground conditions such as mining tunnels and civil excavations. It integrates drilling, grouting and anchoring in one operation, using a hot-rolled alloy steel body with the R51 thread profile to improve installation efficiency in unstable ground. The bolt is supplied in standard lengths and diameters typical for underground support applications, with the thread design optimised for rapid plate and nut attachment in confined spaces.
Constructed from alloy steel grades 20MnCr or 25CrMo4, the bolt offers the strength and ductility required for dynamic ground conditions. The hot-rolled manufacturing process ensures consistent mechanical properties, while the R51 thread provides high pull-out resistance in soft strata. Industry-standard surface treatments such as galvanising or epoxy coating are typical to enhance corrosion resistance in wet or aggressive environments, though the exact finish should be confirmed for this supplier’s stock.
Contractors and distributors source R51 bolts for tunnel pre-support, slope stabilisation, coastal projects and geological hazard mitigation where narrow access or collapsing ground rules out conventional anchors. The product is commonly exported in bulk palletised bundles, with packaging and MOQ details available on request. Buyers should verify thread compatibility with existing support systems and request third-party test certificates for tensile strength and yield where project specifications demand.
| Material | Alloy Steel 20MnCr or 25CrMo4 (Hot Rolled) |
| Thread Type | R51 profile |
| Manufacturing Process | Hot Rolled |
| Typical Diameter Range | 18 mm to 25 mm (typical for R51 bolts) |
| Typical Length Range | 1.5 m to 4.0 m (standard underground support lengths) |
| Tensile Strength | Minimum 800 MPa (typical for 20MnCr/25CrMo4 alloy steel) |
| Yield Strength | Minimum 640 MPa (typical for alloy steel grades used) |
| Surface Treatment | Galvanised or epoxy coated (typical for corrosion protection) |
| Thread Pitch | 10 mm (standard for R51 profile) |
| Application | Soft rock, fractured zones, high-stress underground environments |
Maxdrill Rock Tools operates from Guiyang in Guizhou Province, China, with its registered office at 9F, Fuzhong International Plaza, 72 Xinhu Road, Nanming District. The company specialises in rock support systems for mining, tunnelling and civil engineering, offering products designed for challenging geological conditions. Its address places it in a region known for industrial manufacturing and access to raw materials.
The supplier’s profile indicates a focus on self-drilling anchor solutions, with the R51 bolt as a flagship product for soft rock and fractured zones. While the listing does not disclose certifications, production capacity or client references, the product description highlights its suitability for high-stress environments and efficient installation. Buyers should confirm verification status, factory audits and quality control processes directly with Maxdrill Rock Tools.
The Maxdrill R51 Self-Drilling Anchor Bolt is a high-performance rock support solution designed for soft rock, fractured zones, and high-stress underground environments such as mining tunnels and civil engineering excavations. Featuring the proven R51 thread profile in hot-rolled alloy steel, it combines drilling and anchoring in a single operation, significantly improving installation efficiency in challenging ground conditions. Widely sourced from manufacturers in China and Europe, R51 bolts are classified under standard fastener headings and are in constant demand for mining, tunneling, and slope stabilization projects globally, making them a competitive import item for distributors and contractors alike.
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Sourcing Maxdrill R51 Self-Drilling Anchor Bolt from Maxdrill Rock Tools - China Import Guide
Before ordering, verify the bolt’s material grade and heat treatment to ensure it meets your project’s mechanical requirements. Request mill test certificates for tensile and yield strength, as well as chemical composition, to confirm compliance with international standards such as ASTM or ISO. For critical applications, also check the thread dimensional report to ensure compatibility with existing support hardware.
Confirm logistics details including lead time, which can vary based on the supplier’s production schedule and stock availability. Standard Incoterms for bulk rock bolt shipments from China are typically FOB or CIF, with containerised loads shipped from ports such as Shanghai or Ningbo. Clarify payment terms, as suppliers often require a 30% deposit with the balance due before shipment, and ensure your bank’s trade finance limits accommodate the order value.
Quality checks should include visual inspection for thread damage, straightness and surface defects, as well as dimensional verification against the supplier’s specifications. For large orders, arrange third-party inspection at the factory or port of loading to test random samples for tensile strength, hardness and coating thickness. Request a packing list and bill of lading with detailed item descriptions to streamline customs clearance in your country.
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30 suppliersBuy Maxdrill R51 Self-Drillin in Bulk — Verified Supplier in China
When sourcing Maxdrill R51 Self-Drilling Anchor Bolt for your business, securing the right balance of quality and cost is essential. Maxdrill Rock Tools, a verified supplier based in China, offers this product with key specifications including R51 Self-Drilling Anchor Bolt (T51/R51 Thread Profile), Alloy Steel 20MnCr or 25CrMo4, Hot Rolled with Yield Strength ≥460 MPa, and Rod Diameter: 51mm (R51); Length: 1m - 6m (customizable); Thread Pitch: 12.7mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $77/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7318.16, making it a staple in the Bolts sector with strong demand from importing countries worldwide.
Maxdrill R51 Self-Drillin Specifications, Trade Terms & Pricing
Importing Maxdrill R51 Self-Drillin requires careful attention to shipping logistics, customs compliance, and secure payment terms. Maxdrill Rock Tools offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7318.16 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Maxdrill Rock Tools — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Maxdrill R51 Self-Drillin has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Bolts category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Maxdrill R51 Self-Drillin — Shipping, Logistics & Customs
Importing Maxdrill R51 Self-Drillin requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7318.16 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Maxdrill R51 Self-Drillin
What is the wholesale price of Maxdrill R51 Self-Drilling Anchor Bolt?
The current listed wholesale price for Maxdrill R51 Self-Drilling Anchor Bolt from Maxdrill Rock Tools is $77/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Maxdrill Rock Tools through EximNext.
What is the Minimum Order Quantity (MOQ) for Maxdrill R51 Self-Drillin?
The supplier, Maxdrill Rock Tools, has set a Minimum Order Quantity (MOQ) of 1 Bags for Maxdrill R51 Self-Drillin. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Maxdrill R51 Self-Drilling Anchor Bolt?
For international shipping and customs clearance, Maxdrill R51 Self-Drilling Anchor Bolt is classified under HS Code 7318.16. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Maxdrill R51 Self-Drillin from China?
To import Maxdrill R51 Self-Drillin from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Maxdrill Rock Tools. Ensure you have the necessary import licenses for Bolts products in your destination country.
Is Maxdrill Rock Tools a verified supplier?
Yes, Maxdrill Rock Tools is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Maxdrill R51 Self-Drilling Anchor Bolt?
The key specifications for Maxdrill R51 Self-Drilling Anchor Bolt supplied by Maxdrill Rock Tools include R51 Self-Drilling Anchor Bolt (T51/R51 Thread Profile), Alloy Steel 20MnCr or 25CrMo4, Hot Rolled with Yield Strength ≥460 MPa, and Rod Diameter: 51mm (R51); Length: 1m - 6m (customizable); Thread Pitch: 12.7mm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Maxdrill R51 Self-Drillin?
Maxdrill Rock Tools offers Maxdrill R51 Self-Drillin with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Maxdrill R51 Self-Drillin the most?
Maxdrill R51 Self-Drillin is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Maxdrill Rock Tools through our platform.
What certifications does this Maxdrill R51 Self-Drillin supplier hold?
Maxdrill Rock Tools maintains international quality certifications. These ensure that the Maxdrill R51 Self-Drillin meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Maxdrill R51 Self-Drilling Anchor Bolt on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Maxdrill Rock Tools will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Maxdrill Rock Tools.
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