What payment terms are accepted?

We accept LC, T/T, D/P, and Western Union for payment.

What are the main applications for these bits?

They are widely used for granite and marble quarrying, gold mines, railways, tunnels, and dimensional stone quarrying.

How are the products packaged?

Products are packaged in wooden cases or plastic cases to ensure safe shipment.

8 Buttons 7 11 12 Degree Tapered Rock Drill Button Bits Rock Drilling Bits

Name: 8 Buttons 7 11 12 Degree Tapered Rock Drill Button Bits Rock Drilling Bits
Brand: Kaiyu (Zhejiang) Drilling Tools Co., Ltd
SKU: 863834345

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

US$3.90

50-1,999 Pieces

US$3.78

2,000-4,999 Pieces

US$3.70

5,000+ Pieces

Sample price:US$4.30/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO9001:2015;SGS

Model NO.

34mm

Length

65mm

Type

Tapered Drill Bits

Material

High Carbon Steel

Usage

Ore Mining,Rock Drilling

Condition

New

Power

Pneumatic

Process

Heat Treatment

Transport Package

Wooden Case. Plastic Box.

Specification

34mm

Trademark

KAIYU

Origin

Taizhou, Zhejiang

HS Code

8207199000

Production Capacity

500000 PCS Per Month

Key features

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

Premium Carbide Inserts: Uses high-grade tungsten carbide from Boart Longyear for high bearing capacity and abrasion resistance.

Customizable Specifications: Diameter 30-50mm, 4-9 buttons, and 7/11/12 degree taper angles available to meet specific requirements.

Advanced Manufacturing: Manufactured with state-of-the-art CNC machinery and special heat treatment for accurate dimensions.

Versatile Applications: Ideal for granite/marble quarrying, gold mines, railways, tunnels, and short-hole blast drilling systems.

48 Years Experience: Factory specialized in drilling tools for over 48 years with advanced technology and experienced service team.

Global Export Capability: Exported worldwide to Europe, South America, Southeast Asia, Africa, Russia, and India with strong delivery capacity.

Cost-Effective Design: Perfectly matches tapered drill rods with mature welding technology ensuring reliability and cost-effectiveness.

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: ≤8.28hTerms 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.