Import Durable 3.5inch Br33 Dth Drill Bit — Buy in wholesale FOB from Supplier in China
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The Durable 3.5inch BR33 dth drill bit is a medium-air-pressure down-the-hole hammer bit designed for rock drilling applications, with a nominal diameter of 90mm and a standard BR33 thread connection. It is built for use with high-pressure drilling rigs and delivers consistent penetration in hard formations, as confirmed by the supplier’s claim of record-breaking penetration rates. The bit features a foot valve-free design, reducing complexity and maintenance needs during continuous operation.
The bit body is manufactured from high-strength alloy steel, typical for industrial DTH bits in this size range, with tungsten carbide inserts selected for wear resistance in abrasive rock. The BR33 thread conforms to the industry-standard profile for 3.5inch hammer systems, ensuring compatibility with most common hammer heads. The wooden case packaging is standard for export shipments of heavy drill bits, protecting against impact and corrosion during transit.
This drill bit is commonly purchased by civil engineering contractors, water well drillers, and mineral exploration teams operating in hard rock environments. Buyers typically require consistent hole accuracy and extended bit life to reduce downtime. The supplier states a monthly production capacity of 2000 pieces, suggesting availability for bulk orders. Trade terms are not specified; buyers should confirm Incoterms, lead time, and minimum order quantities directly with the supplier.
| Bit Diameter | 90mm |
| Thread Type | BR33 |
| Hammer Size Compatibility | 3.5 inch |
| Material | High-strength alloy steel body with tungsten carbide inserts |
| Foot Valve | Not required |
| Typical Operating Pressure Range | 1.4 to 2.8 MPa (typical for medium-pressure DTH systems) |
| Typical Insert Size | 10mm to 12mm tungsten carbide buttons (standard for 90mm bits) |
| Packaging | Wooden case |
| Typical Application Depth Range | Up to 150 metres per hole (standard for 3.5inch DTH bits in hard rock) |
| Typical Service Life | 80 to 150 metres per bit (typical for medium-pressure bits in medium-hard rock) |
Maxdrill Rock Tools is a manufacturer based in Guiyang, Guizhou Province, China, with a physical address listed at 9F, Fuzhong International Plaza, #72 Xinhu Road. The company’s trust tier is classified as Harbor, indicating basic verification of business registration and contact details. There is no public information on years in operation, workforce size, or export history.
The supplier focuses exclusively on DTH drill bits and related rock drilling tools, with a stated monthly production capacity of 2000 units. No certifications, client lists, or quality management systems are disclosed. The supplier does not respond to inquiries, as indicated by a 0% response rate and zero average response hours. Buyers should treat this as a production facility without active sales support and verify all technical claims before ordering.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Sourcing Durable 3.5inch BR33 dth drill bit from Maxdrill Rock Tools - China Import Guide
Before ordering, verify the exact thread profile and bit diameter with a physical sample or certified drawing. The BR33 standard has minor variations between manufacturers, and mismatched threads can damage your hammer. Confirm the tungsten carbide insert grade, bit body hardness, and concentricity tolerance in writing. Do not rely on product images alone - request a technical datasheet with tolerances.
Lead time is not specified, but production capacity suggests 2-4 weeks for bulk orders. Confirm Incoterms - FOB Qingdao or Shanghai are common for Chinese drill bit exports. Payment terms are typically 30% advance, 70% against copy of BL. Ask for packaging details: wooden cases should be fumigated and marked with handling symbols. Request a packing list with serial numbers for traceability.
Upon delivery, inspect for surface cracks, missing inserts, and thread damage. Perform a visual check of insert protrusion and measure bit diameter with a micrometer. Request a mill test report for the steel body and a carbide insert composition certificate. Retain samples for third-party inspection if drilling performance is critical. Ensure all documentation matches the purchase order exactly.
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30 suppliersBuy Durable 3.5inch Br33 Dth in Bulk — Verified Supplier in China
When sourcing Durable 3.5inch Br33 Dth Drill Bit 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 for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $115/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Drilling Machines & Tools sector with strong demand from importing countries worldwide.
Durable 3.5inch Br33 Dth Specifications, Trade Terms & Pricing
Importing Durable 3.5inch Br33 Dth 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. 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 global 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 Durable 3.5inch Br33 Dth 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 Drilling Machines & Tools category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Durable 3.5inch Br33 Dth — Shipping, Logistics & Customs
Importing Durable 3.5inch Br33 Dth 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 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 Durable 3.5inch Br33 Dth
What is the wholesale price of Durable 3.5inch Br33 Dth Drill Bit?
The current listed wholesale price for Durable 3.5inch Br33 Dth Drill Bit from Maxdrill Rock Tools is $115/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 Durable 3.5inch Br33 Dth?
The supplier, Maxdrill Rock Tools, has set a Minimum Order Quantity (MOQ) of 1 Bags for Durable 3.5inch Br33 Dth. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Durable 3.5inch Br33 Dth Drill Bit?
The HS Code classification for Durable 3.5inch Br33 Dth Drill Bit depends on the specific grade and form. Contact Maxdrill Rock Tools through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Durable 3.5inch Br33 Dth from China?
To import Durable 3.5inch Br33 Dth from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Maxdrill Rock Tools. Ensure you have the necessary import licenses for Drilling Machines & Tools 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 Durable 3.5inch Br33 Dth Drill Bit?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Maxdrill Rock Tools through EximNext.
What packaging options are available for bulk orders of Durable 3.5inch Br33 Dth?
Maxdrill Rock Tools offers Durable 3.5inch Br33 Dth with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Durable 3.5inch Br33 Dth the most?
Durable 3.5inch Br33 Dth 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 Durable 3.5inch Br33 Dth supplier hold?
Maxdrill Rock Tools maintains international quality certifications. These ensure that the Durable 3.5inch Br33 Dth meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Durable 3.5inch Br33 Dth Drill Bit 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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