What certifications do the products have?

Our products are certified under ISO9001:2015 and SGS standards.

What are the available thread types?

Available thread types include R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, and T60.

The Minimum Order Quantity (MOQ) is 5 pieces.

Rock Drill Button Bit (T38 T45 T51 R25 R28 R32 R38 thread button bit)

Name: Rock Drill Button Bit (T38 T45 T51 R25 R28 R32 R38 thread button bit)
Brand: Kaiyu (Zhejiang) Drilling Tools Co., Ltd
SKU: 703382801

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

US$56.00

5-99 pc

US$54.00

100-499 pc

US$52.00

500+ pc

Sample price:US$60.00/pc.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Standard

ISO9001:2015;SGS

Model NO.

T38 T45 T51 R25 R28 R32 R38

Length

114mm

Type

Thread Drill Bits

Material

Tungsten Carbide

Usage

Metal Drilling, Mining

Diameter

89mm

Color

Black, as Your Request

MOQ

5PCS

Process

Heat Treatment

Transport Package

Wooden

Specification

89mm

Trademark

Kaiyu

Origin

Taizhou, Zhejiang

HS Code

8207199000

Production Capacity

30000PCS Per Month

Key features

Customizable Design: Custom thread button drill bits designed for soft, medium, and hard rock applications.

High-Quality Materials: Made from high-grade 42CrMo alloy steel and tungsten carbide inserts for durability.

Advanced Heat Treatment: Mature heat treatment technology ensures toughness and minimal energy loss during drilling.

Wide Diameter Range: Available in diameters from 36mm to 127mm to fit various rock drilling needs.

Fast Delivery: Standard delivery time is 7-15 days for efficient project scheduling.

Certified Quality: Products certified under ISO9001:2015 and SGS standards for reliability.

24-Hour Response: Sales team responds to inquiries within 24 hours, excluding holidays.

Quality Warranty: Free replacement provided if failure is confirmed to be caused by product quality.

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: ≤18hTerms 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.

Product Q&A

Q:What materials are used for the button bits?

The bits are manufactured using high-grade 42CrMo alloy steel for the body and high-grade tungsten carbide for the inserts.

Q:Can the drill bits be customized?

Yes, we can design customized thread button drill bits according to different drilling applications, including specific diameters, thread types, and shapes.

Q:What is the delivery time?

The standard delivery time is 7-15 days. During peak seasons, lead time is within 15 workdays, and off-season lead time is also within 15 workdays.

Q:What payment methods are accepted?

We accept T/T (Telegraphic Transfer), Western Union, L/C at sight, LC, D/P, and other standard international payment terms.

Q:What is the warranty policy?

We provide free replacement if the failure is confirmed to be caused by our product quality.