What are the shipping options?

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

What after-sales support is provided?

Sales team responds within 24 hours (excluding holidays), technical support is available anytime, and free replacements are provided for quality failures.

What are the main applications of this drill bit?

It is widely used in quarrying, rock drilling, mining, construction, tunneling, and slope anchor projects.

High-Quality Maxdrill Button Bit R28 Drill Bit Thread Bit for Tunneling

Name: High-Quality Maxdrill Button Bit R28 Drill Bit Thread Bit for Tunneling
Brand: Maxdrill Rock Tools Co., Ltd.
SKU: 1983929325

Guizhou, ChinaMaxdrill Rock Tools Co., Ltd.

US$33.90

50-499 Pieces

US$32.80

500-999 Pieces

US$31.90

1,000-1,999 Pieces

US$30.80

2,000+ Pieces

Sample price:US$35.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

6 Months

Model NO.

3043R2807

Certification

ISO 9001:2015

Standard

GB/T2828.1-2003

Surface Treatment

Painting

Manufacturing Process

Machining

Material

Alloy Steel & Tungsten Carbides

Applicable Industries

Quarrying, Small Hole Drilling, Mining

Type

Drill Bit

Key Word

Thread Bit

Machine Type

Drilling Tool

Angle

30 Degree

Button Shape

Spherical / Ballistic/Parabolic/Conical

Rock Class

Soft, Medium and Hard

Application

Mining,Quarrying,Blasting,Tunneling

Processing Type

Machining

Name

Maxdrill 43mm R28 Buttons Drill Bit Rock Drill

Part Number

3043r2807

Service

Longer Service Life and Lower Drilling Costs

Transport Package

Carton&Plywood Pallet

Specification

Dia.: 38MM-D45MM

Trademark

MAXDRILL

Origin

China

HS Code

82071300

Production Capacity

10000 Per Month

Key features

Imported Premium Materials: Raw materials imported directly from Sweden for superior quality and durability.

Extended Service Life: Designed for longer service life and significantly lower drilling costs.

Versatile Rock Adaptability: Available in Hemispherical, Ballistic, Semiballistic, and Conical shapes for various rock classes.

ISO 9001 Certified: Manufactured under ISO 9001:2015 certification standards ensuring consistent quality.

Fast Stock Delivery: Only 2-3 days delivery time if stock is available for requested sizes.

Professional Manufacturer: Established in 2004 with 20 years of export experience and 5 production lines.

100% Quality Inspection: Strict inspection and testing for every order before shipping by experienced QC team.

Flexible Customization: Supports customization from samples, designs, and full customization options.

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: ≤5.97h

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.