What are the available button shapes?

Button shapes include Spherical or Ballistic tips, with face shapes like Drop Center, Flat Face, Convex, and Concave.

What payment methods do you accept?

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

Do you offer technical support?

Yes, technical support is available at any time, and our sales team responds within 24 hours.

T51 89mm Retract Thread Drill Button Bits

Name: T51 89mm Retract Thread Drill Button Bits
Brand: Kaiyu (Zhejiang) Drilling Tools Co., Ltd
SKU: 864191205

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

US$71.20

5-99 pc

US$69.00

100-999 pc

US$68.00

1,000+ pc

Sample price:US$73.20/pc.Request sample

Product profile

Customization

Available

Certification

ISO9001:2015;SGS

Surface Treatment

Polishing

Model NO.

RT89T51

Manufacturing Process

Forging

Material

Carbon Steel

Diameter

89mm

Color

Black, as Your Request

MOQ

5PCS

Process

Heat Treatment

Transport Package

Wooden, Plastic

Specification

89mm

Trademark

Kaiyu

Origin

Taizhou, Zhejiang

HS Code

8207199000

Production Capacity

10000PCS Per Month

Key features

Customizable Color: Available in Black or customized color as per customer request.

Wide Diameter Range: Offers diameters from 36mm to 127mm to suit various drilling needs.

Multiple Thread Types: Supports R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 threads.

Versatile Button Shapes: Features Spherical or Ballistic tip shapes and Drop Center, Flat Face, etc.

High-Quality Materials: Constructed from 42CrMo alloy steel and high-grade tungsten carbide.

Fast Delivery: Standard delivery time is 7-15 days for most orders.

Low MOQ: Minimum Order Quantity is only 5 pieces for flexible purchasing.

Certified Quality: ISO9001:2015 and SGS certified for reliable manufacturing 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: ≤15hTerms 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.