What is the warranty or quality guarantee?

The product is ISO9001:2015 certified. We use mature welding technology and accurate taper dimensions to ensure high quality and reliability.

What is the minimum order quantity (MOQ)?

The provided text does not specify a minimum order quantity. Please contact the supplier directly for MOQ details.

38mm 4 & 6 & 8 Buttons Tapered Button Bit for Granite Rock

Name: 38mm 4 & 6 & 8 Buttons Tapered Button Bit for Granite Rock
Brand: Kaiyu (Zhejiang) Drilling Tools Co., Ltd
SKU: 1903357115

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

US$3.25

100-1,999 Pieces

US$3.20

2,000-4,999 Pieces

US$3.15

5,000+ Pieces

Sample price:US$3.30/piece.Request sample

Product profile

Customization

Available

Customized

Length

65mm

Model NO.

Tapered button bit

Type

Button Bits

Material

High Carbon Steel

Usage

Well Drilling, Ore Drilling,Mining,Quarrying,Tunneling

Power Type

Pneumatic

Condition

New

Process

Heat Treatment

Color

Golden, Yellow, Customized.

Transport Package

Wooden Case

Specification

36mm

Trademark

Kaiyu

Origin

Taizhou, Zhejiang

HS Code

8207199000

Production Capacity

1000000 PCS Per Month

Key features

High Drilling Efficiency: Superior to chisel/cross bits with longer primary drilling time and higher efficiency.

Premium Carbide Inserts: Uses high-grade tungsten carbide from Boart Longyear for abrasive resistance.

Customizable Color: Available in Golden, Yellow, or customized colors as per customer request.

OEM/ODM Service: Supports OEM and ODM services with 2 R&D engineers for custom solutions.

Versatile Button Types: Offers hemispherical, conical, and parabolic buttons for specific drilling needs.

Wide Size Range: Diameters from 30mm to 50mm with 4 to 12 button options available.

ISO 9001 Certified: Manufacturing process certified under ISO9001:2015 standards.

48 Years Experience: Factory specialized in drilling tools and spare parts for over 48 years.

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: ≤8.20hTerms 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.