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Sintered Diamond Core Drilling Bits (AQ, BQ, NQ, HQ, PQ)
US$50.00-200.00
1 Piece
Product profile
Customization
AvailableType
Core DrillUsage
Metal Drilling, Well DrillingModel NO.
NQSize
Bq Nq Hq Pq Sw UwColor
Designed by CustomersWeight
1kgsMaterial
DiamondCrowed Height
8mmDrilling Rock
Very HardProduct Capacity
10000 Per MonthsOriginal
ChinaAvaiable Size
All SizeMainly Use Place
All Hard RockTransport Package
by Sea or by AirSpecification
1KGSTrademark
XingtanOrigin
ChinaHS Code
8207191000Production Capacity
10000PCSKey features
Customizable Design: Color and size can be designed by customers to meet specific needs.
Long Service Life: Matrix design exposes new diamonds as wear occurs, ensuring fast penetration and durability.
Wide Application Range: Suitable for metal drilling, well drilling, and various hard rock formations.
Multiple Crown Profiles: Available in W, Flat, Semi-round, Cross, and Gear profiles for different conditions.
Various Sizes Available: Supports AQ, BQ, NQ, HQ, PQ gauges and non-standard sizes upon request.
High Production Capacity: Monthly capacity of 10,000 units ensures timely supply for large orders.
Optimized Waterways: Various waterway designs allow for better flushing in different ground conditions.
Factory Direct Supply: Manufactured by a factory with over 20 years of experience in China.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2008-07-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.88h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF
AI-Powered supplier vetting
SummaryChangsha Xingtan Machinery Co., Ltd. is identified as a Chinese manufacturer/factory based in Hunan, specializing in drilling rigs, drill tools, core bits, mud pumps, casing, and related testing equipment. The supplier reports ISO 9000 and ISO 9001 certification, more than 10 production lines, 11–20 years of staff and R&D engineer experience, and 6–10 quality-control staff. It states that standard and customized products are available and indicates export activity across multiple regions, with stated lead times of within 15 workdays in both off-peak and peak seasons. Evidence of customer activity is limited to two recorded transactions for each of four product descriptions involving one buyer in Tanzania; these records do not establish broad customer coverage or product-specific performance. Financial strength and after-sales capability cannot be reliably assessed from the provided information.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and operates as a limited company in Hunan, China. This directly supports its positioning as a manufacturing supplier rather than solely a trading intermediary.
CertificationsThe supplier reports holding ISO 9000 and ISO 9001 management-system certifications. These stated certifications provide explicit evidence of formal quality-management-system recognition.
R&D capabilityThe supplier reports 11–20 years of R&D engineer experience, advanced production technology, and the ability to provide products according to customer drawings and requirements. This supports an established technical-development capability, although no specific patented technology, new product record, or R&D output is provided.
Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and lead times within 15 workdays during both off-peak and peak seasons. Together with its manufacturer/factory classification, these statements explicitly support substantial production and delivery capability.
Customization capabilityThe company explicitly states that, in addition to standard products, it provides customized products based on clients' drawings and requirements. This is direct evidence of customization capability, although the slices do not define the engineering scope or customization limits.
Product Q&A
Q:Are you a manufacturer?
A:
Yes, we are a factory with more than 20 years of manufacturing experience.
Q:What are your terms of payment?
A:
T/T 30% as deposit, and 70% before delivery. We also accept L/C. Before shipping, we send detailed pictures and packing list.
Q:What is the warranty period?
A:
We provide a 1-year warranty for our main machines. We also offer video support for installation and operation, and timely spare parts service.
Q:How long is the delivery time?
A:
Generally 5-10 days if in stock. If not in stock, it takes 15-20 days depending on the quantity.
Q:Can you customize the product?
A:
Yes, we can customize the color and size according to customer requirements. We also manufacture non-standard sized bits and special requirements.
Send Inquiry
*To:
Changsha Xingtan Machinery Co., Ltd
Changsha Xingtan Machinery Co., Ltd*Content:
Supplier replies will be sent to your registered email
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