What certifications does the product have?

The product is certified under ISO9001:2015 standards.

What is the warranty or quality guarantee?

We provide mature welding technology and accurate dimensions to ensure high quality and reliable performance. Specific warranty terms are not detailed in the description.

Where is the product manufactured?

The product is manufactured in Taizhou, Zhejiang, China (Mainland).

42mm 8buttons Chinese Manufacture Top Quality Tapered 7 11 12degree Rock Drill Button Bits

Name: 42mm 8buttons Chinese Manufacture Top Quality Tapered 7 11 12degree Rock Drill Button Bits
Brand: Kaiyu (Zhejiang) Drilling Tools Co., Ltd
SKU: 865903255

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

US$5.50

100-1,999 Pieces

US$5.40

2,000-4,999 Pieces

US$5.30

5,000+ Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

65mm

Model NO.

Tapered button bit

Type

Button Bits

Material

Tungsten Carbide

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

42mm

Trademark

Kaiyu

Origin

Taizhou, Zhejiang

HS Code

8207199000

Production Capacity

1000000 PCS Per Month

Key features

High Efficiency Drilling: Longer primary drilling time and higher efficiency compared to taper chisel and cross bits.

Premium Tungsten Carbide: High-grade inserts from Boart Longyear ensure high bearing capacity and abrasive resistance.

Customizable Options: Color, button count, and taper degree are customizable to meet specific customer requirements.

48 Years Experience: Specialized manufacturing of drilling tools and spare parts with advanced technology and equipment.

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 standards for quality assurance.

Perfect Rod Match: Accurate taper degree dimensions ensure perfect connection with tapered drill rods.

Versatile Applications: Suitable for granite/marble quarrying, gold mines, railways, tunnels, and dimensional stone drilling.

Fast Delivery: Delivery time within 7-15 days, with strong capacity to meet urgent customer needs.

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: ≤10.61hTerms 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.