What is the warranty policy?

We provide Repair or Replacement service as warranty.

Do you support OEM and ODM services?

Yes, we could offer ODM and OEM services for customized needs.

R32 76mm Tungsten Carbide Thread Drill Bit for Coal Mining Direct Factory

Name: R32 76mm Tungsten Carbide Thread Drill Bit for Coal Mining Direct Factory
Brand: Tianjin Hengji Supply Chain Co., Ltd
SKU: 2144278612

Tianjin, ChinaTianjin Hengji Supply Chain Co., Ltd

US$5.50-5.80

100 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

After-sales Service

Repair or Replacement

Warranty

Repair or Replacement

Certification

CE, ISO 9001:2000

Model NO.

R32

Standard

AISI, JIS, ASTM, DIN

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Model No

7/8 Buttons Bits

Color

Red, Black, Yellow, White

Tungsten Carbide

Yk05 or T6

Size

28mm-76mm

Transport Package

Standard Export Sea-Worthy Package

Specification

30CMX30CMX30CM

Trademark

HENGJI

Origin

China

HS Code

82071990

Production Capacity

200000/Year

Key features

Customizable Specifications: Custom colors (Red, Black, Yellow, White) and sizes (28mm-76mm) available.

High Durability Design: Made of alloy steel and tungsten carbide with heat treatment for tough performance.

Wide Application Range: Suitable for drilling soft, loose-medium, and hard rocks in mining applications.

Multiple Thread Options: Supports various thread types including R22-R38, T38-T60, and ST58.

OEM/ODM Service: Professional engineering support for customized thread button drill bits.

Certified Quality: Products certified with CE and ISO 9001:2000 standards.

Free Sample Provision: Free samples provided for customer checking and quality verification.

30-Year Manufacturer: Factory with over 30 years of history in manufacturing rock drilling tools.

Company profile

Tianjin Hengji Supply Chain Co., Ltd

Tianjin, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤0.01h

AI-Powered supplier vetting

SummaryTianjin Hengji Supply Chain Co., Ltd is identified as a China-based manufacturer/factory and limited company offering electric, power, control, and communication cables. It reports broad export-market coverage and port access near Tianjin and Qingdao, but has only five employees and no cooperative suppliers recorded. The supplier states it has quality assurance and raw-material traceability, while written corrective-action and complaint-handling procedures are absent. Innovation and technical service capabilities appear limited: it is not classified as a professional technical supplier, does not provide 3D software design, and reported no new products in the previous year. Customization is available from samples. Inventory, overseas warehouse, overseas agent or branch, and overseas showroom capabilities are absent. Production and delivery information is inconsistent across slices, with one record stating lead times within 15 workdays and another stating one month off-season and 2–3 months peak season....

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and a limited company. Its stated product scope covers electric, power, control, and communication cables, while no larger-company affiliation is reported.

After-Sales capabilityThe supplier lacks overseas agents or branches, overseas warehouses, overseas showrooms, and in-stock service capability. It also has no written procedures or records for handling customer complaints or corrective and preventive actions, indicating documented after-sales support is weak.

R&D capabilityThe supplier is explicitly not identified as a professional technical supplier, does not provide 3D software design services, and reported no new products during the past year. These statements indicate a clear limitation in demonstrated innovation capability.

Customization capabilityThe supplier explicitly provides customization from samples. No broader engineering, 3D design, or product-development capability is reported, so the evidence supports sample-based customization rather than advanced customization.