What payment methods do you accept?

We accept T/T, Western Union, and L/C at sight.

What is the main application of these bits?

They are used for blast hole drilling in mining, tunneling, quarrying, and well drilling.

Are OEM and ODM services available?

Yes, both OEM and ODM services are available.

140mm Button Bits DHD350 Hammer for Water Well Rock Blasting Drilling

Name: 140mm Button Bits DHD350 Hammer for Water Well Rock Blasting Drilling
Brand: Kaiyu (Zhejiang) Drilling Tools Co., Ltd
SKU: 864632875

Zhejiang, ChinaKaiyu (Zhejiang) Drilling Tools Co., Ltd

US$220.00

10-99 Pieces

US$215.00

100-299 Pieces

US$210.00

300+ Pieces

Sample price:US$230.00/piece.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Standard

ISO9001:2015, SGS

Model NO.

DHD350-140

Length

260mm

Type

DTH Button Bits

Material

High Carbon Steel

Usage

Well Drilling, Metal Drilling, Mining

Size

152mm

Power

Pneumatic

Color

Golden, as Youre Request

Condition

New

Transport Package

Wooden Case

Specification

140mm

Trademark

Kaiyu

Origin

Taizhou, Zhejiang

HS Code

8207199000

Production Capacity

5000 PCS Per Month

Key features

Wide Diameter Range: Available in 21 sizes from 90mm to 330mm for diverse drilling needs.

Universal Compatibility: Interchangeable with Atlas Copco COP series and Ingersoll-Rand DHD series hammers.

Premium Material Quality: Constructed from high-grade steel with high-grade tungsten carbide inserts.

Custom Color Options: Colors available in Golden, Red, Blue, and other custom requests.

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

Quality Guarantee: Free replacement provided for failures confirmed to be caused by product quality.

Advanced Manufacturing: Processed using state-of-the-art CNC machinery and mature heat treatment technology.

Certified Standards: Products certified under ISO9001:2015 and SGS standards.

Company profile

Kaiyu (Zhejiang) Drilling Tools Co., Ltd

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-06-01Nearest Port: NINGBO PORT, SHANGHAI PORTAverage Response Time: ≤8.68hTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryKaiyu (Zhejiang) Drilling Tools Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, specializing in rock-drilling products including button bits, DTH bits and hammers, drill rods, and drill pipes. It reports ISO 9001 certification, six production lines, experienced technical and R&D personnel, and a quality-control system. Stated annual capacities include 120,000 button bits, 60,000 DTH bits, and 6,000,000 chisel bits, with lead times of within 15 workdays in both off-peak and peak seasons. The supplier serves multiple global regions and has export capability through agents and self-operated import/export rights. However, the provided information does not substantiate after-sales service arrangements, financial credibility, product customization, or specific customer cases.

Supplier typeThe supplier is described as a trading company and also as a trading company/manufacturer or factory. Its legal form is a limited company located in Zhejiang, China, indicating a mixed commercial and manufacturing profile.

CertificationsThe supplier explicitly reports ISO 9001:2015 Quality Management System Certification and lists ISO 9001 under its management-system certifications. This supports the presence of a documented quality-management certification.

R&D capabilityThe supplier reports experienced and high-tech personnel, foreign equipment and technologies, unique techniques, specialized equipment, and R&D engineers with 6–10 years of experience. These statements support technical development capability, although no specific patented or newly developed products are identified.

Production capacityThe supplier reports six production lines, quality-control inspection, and annual capacities of 120,000 button bits, 60,000 DTH bits, and 6,000,000 chisel bits. It also states order fulfillment within 15 workdays during both peak and off-peak seasons, supporting a substantial and responsive production capability.