What is the warranty period?

We provide a 6-month warranty for our products.

What materials are used for the drill bits?

The drill bits are made from alloy steel and tungsten carbides.

High-Performance T38 Rock Drill Bits with 12 Durable Tips

Name: High-Performance T38 Rock Drill Bits with 12 Durable Tips
Brand: Maxdrill Rock Tools Co., Ltd.
SKU: 2101834905

Guizhou, ChinaMaxdrill Rock Tools Co., Ltd.

US$77.70

10-49 Pieces

US$63.50

50-99 Pieces

US$51.00

100-149 Pieces

US$46.90

150+ Pieces

Sample price:US$87.70/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

6 Months

Model NO.

3076T3812R-66

Certification

ISO 9001:2015

Standard

GB/T2828.1-2003

Surface Treatment

Painting

Manufacturing Process

Machining

Material

Alloy Steel & Tungsten Carbides

Thread

T38

Diameter

76mm

Flushing Hole(mm)Front No Size

4X10

Buttons(mm)Front No Size

6X12

Buttons(mm)Gauge No Size

8X13

Angle

35°

Class

Medium

Part No.

3076t3812D

Transport Package

Carton&Plywood Pallet

Specification

76mm

Trademark

MAXDRILL

Origin

China

HS Code

82071300

Production Capacity

100000

Key features

Durable Tungsten Carbide Tips: Equipped with 12 high-quality tungsten carbide tips for extended rock drilling performance.

ISO 9001:2015 Certified: Manufacturing process and quality control meet international ISO 9001:2015 standards.

OEM and ODM Services: Full customization, minor customization, and flexible customization options available.

100% Quality Inspection: Strict visual inspection and testing performed on every order before shipping.

Fast Stock Delivery: Orders for stock sizes can be shipped within 2-3 days upon request.

24-Hour Response Time: Sales team responds to inquiries within 24 hours, excluding holidays.

Free Replacement Guarantee: Free replacement provided once product quality failure is confirmed.

Multiple Tip Classes Available: Offers Hemispherical, Ballistic, Semiballistic, and Conical tip classes for various rock hardness.

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: ≤5.51h

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.

Product Q&A

Q:What are the payment methods?

We accept T/T (Telegraphic Transfer), Western Union, L/C at sight, LC, D/P, PayPal, and small-amount payments.

Q:How long does production take?

Normally 25 days for production based on order quantity. If stock is available for your requested size, it takes only 2-3 days.

Q:What are the shipping options?

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

Q:Do you provide after-sales support?

Yes, our sales team responds within 24 hours (excluding holidays), technical support is available anytime, and free replacement is provided for quality failures.

Q:What is the minimum order quantity?

The minimum order quantity is 2 pieces.