What after-sales service is provided?

Sales respond within 24 hours, technical support is available anytime, and free replacements are provided for confirmed quality failures.

What is the minimum order quantity?

The minimum order quantity is 2 pieces.

What shipping methods are suggested?

For samples, we suggest courier express (DHL/UPS/TNT/FEDEX) or air. For bulk orders, we suggest air or sea freight.

Premium Convex Drill Bit for Efficient Mining and Water Wells

Name: Premium Convex Drill Bit for Efficient Mining and Water Wells
Brand: Maxdrill Rock Tools Co., Ltd.
SKU: 2142343715

Guizhou, ChinaMaxdrill Rock Tools Co., Ltd.

US$78.00

10-99 Pieces

US$75.00

100-999 Pieces

US$70.00

1,000+ Pieces

Product profile

Customization

Available

Customized

Thread

Gt60

Diameter

140 mm

Buttons

19 Tips

Button Bit Design

Flat Face, Drop Centre, Normal and Retrac Body.

Tungsten Carbide (Buttons)

Spherical, Ballistic and Conical

Length of Drill Rod

1830mm-5530mm (mm and Mf)

Color

Red

Applications

Drifting and Tunneling

Transport Package

Standard Package by Wooden Case or Customized by Y

Specification

Trademark

maxdrill

Origin

China

HS Code

82071300

Production Capacity

10000PCS/Month

Key features

Customizable Design: Offers full customization including thread, diameter, buttons, and body design based on samples or designs.

Versatile Applications: Suitable for drifting, tunneling, mining, and water well drilling in various rock formations.

Durable Construction: Features spherical, ballistic, or conical tungsten carbide buttons for longer service life and lower costs.

Fast Production: Normal production takes 25 days; only 2-3 days if stock is available for requested sizes.

Strict Quality Control: 100% visual inspection of finished products by experienced QC team before shipping.

Responsive Support: Sales team responds within 24 hours; technical support available anytime; free replacement for quality issues.

Flexible Payment: Accepts T/T, Western Union, L/C at sight, LC, D/P, PayPal, and small-amount payments.

Multiple Shipping Options: Samples via courier (DHL/UPS/TNT/FEDEX) or air; bulk orders by air or sea.

Company profile

Years of Export ExperienceSelf-brandedFast Delivery100% Finished Products Inspection

Maxdrill Rock Tools Co., Ltd.

Guizhou, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.22h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a trading company located in Guiyang, with associated-company activity in wholesale and retail. It demonstrates broad customization, ODM availability, recent product development, and OEM service for well-known brands. Production information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings. Export sales account for 71%–90%, with markets in South America, Europe, and North America. Service procedures for supplier assessment, corrective actions, and complaint handling are documented and followed. However, the supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation; it also has no available SDK. Finished-product inspection has instructions but no written records. No certification information or specific customer names/cases are provided.

After-Sales capabilityThe supplier has clear procedures and followed records for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent or branch, and no offline trade-show participation, while the stated number of countries offering overseas services is zero; this supports documented complaint handling but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, demonstrating product-development activity. Nevertheless, it has no available SDK, and total R&D engineer experience is stated as two years, so the evidence supports some innovation capability but not a strong or broad technical platform.

Production capacityProduction information states five production lines and annual output of 100,000 pieces each for button bits, drill rods, shank adaptors, and couplings, with exports representing 71%–90% of total sales. The supplier also cites self-provided raw materials, advanced production equipment, and staff training; however, finished-product inspection has instructions but no written records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently in both the R&D and manufacturing information, indicating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of branded-customer experience. No brand names, project descriptions, order references, or independently verifiable customer cases are provided.