What certifications does the product have?

The product is certified under ISO 9001:2015 and meets the GB/T2828.1-2003 standard.

What is the minimum order quantity?

The minimum order quantity is 2 pieces.

What types of rock hardness are the button bits suitable for?

Hemispherical for very hard rocks, Ballistic and Semiballistic for medium hard rocks, and Conical for soft rocks.

Maxdrill St58 Coal Mining Tool Drop Center Bits for Mining Drills

Name: Maxdrill St58 Coal Mining Tool Drop Center Bits for Mining Drills
Brand: Maxdrill Rock Tools Co., Ltd.
SKU: 764337622

Guizhou, ChinaMaxdrill Rock Tools Co., Ltd.

US$140.00

5-49 Pieces

US$138.00

50-99 Pieces

US$134.00

100-199 Pieces

US$127.00

200+ Pieces

Sample price:US$134.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

6 Months

Model NO.

30102ST5814D

Certification

ISO 9001:2015

Standard

GB/T2828.1-2003

Surface Treatment

Painting

Manufacturing Process

Machining

Material

Alloy Steel & Tungsten Carbides

Product Name

Drilling Rig Top Hammer

Diameter

102mm

Part No.

30102st5814D

Thread

St58 Button Bit

Class

Hard

Application

Drifting&Tunneling

Brand Name

Maxdrill

Machine Type

Drilling Tools

Use

Ore Mining

Body

Retrac Skirt, Standard Skirt

Button Bit

Drop Center, Flat Front

Other Thread

T38, T51, St68, Gt60, R32, R25, R35

Key Words

Rock Drilling Bit

Application Industries

Construction Works, Energy & Mining

Type

Drill Bit

Transport Package

Carton&Plywood Pallet

Specification

450*180*95

Trademark

Maxdrill

Origin

China

HS Code

82071300

Production Capacity

10000/PC Year

Key features

Diverse Button Configurations: Offers Hemispherical, Ballistic, Semiballistic, and Conical designs for various rock hardness levels.

Rapid Stock Availability: Production time reduces to 2-3 days if requested size is available in stock.

Comprehensive Quality Control: Experienced QC team performs strict inspection and testing on every order before shipping.

Flexible Customization Options: Supports full customization, minor customization, and customization from samples or designs.

ISO 9001:2015 Certified: Manufacturing process adheres to international quality management standards.

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

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

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

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: ≤2.98h

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 available 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 based on order quantity. If the requested size is in stock, it takes only 2 or 3 days.

Q:What are the shipping options for samples and bulk orders?

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

Q:What is the after-sales service policy?

Sales respond within 24 hours (excluding holidays), technical support is available anytime, and free replacement is provided for confirmed quality failures.

Q:Do you offer customization services?

Yes, we offer full customization, minor customization, and customization from samples or designs.