What are the available length options?

Available lengths include 60, 75, 150, 200, 250, 300, and 400mm.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

Diamond Core Drill Bits for Hard Materials

Name: Diamond Core Drill Bits for Hard Materials
Brand: Jiangsu Yaofeng Tools Co., Ltd.
SKU: 736660192

Jiangsu, ChinaJiangsu Yaofeng Tools Co., Ltd.

Negotiable

10 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Ios9001:2000

Model NO.

25mm-350mm

Length

60/75/150/200/250/300/400mm

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling, Concrete and Other Hard Materials

Segment Width

Continuous/3-32mm

Sement Size

3.5*8mm/20*4*10

Thread Size

1-1/4"Unc

Applications

Concrete, Cured Concrete, Reinforced Concrete

Transport Package

Customize

Specification

25mm-350mm

Trademark

JG/OEM

Origin

Jiangsu China

Key features

Customizable Dimensions: Lengths from 60-400mm, diameter 25-350mm, and segment width 3-32mm available.

OEM/ODM Support: Full customization from samples, designs, or minor adjustments with OEM/ODM services.

High-Quality Material: Made of diamond and tungsten carbide steel for durability in hard material drilling.

Versatile Applications: Ideal for masonry, concrete, cured concrete, and reinforced concrete drilling.

ISO9001 Certified: Manufactured under ISO9001:2015 management system with 100% product inspection.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders.

Low MOQ: Minimum order quantity is only 2 pieces, suitable for small batch testing.

Established Manufacturer: Factory established in 1992 with 31 years of export experience and 12 production lines.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Jiangsu Yaofeng Tools Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 31 Years CertifiedNearest Port: Shaanghai PortAverage Response Time: ≤11.20h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined manufacturing and sales company producing diamond saw blades, alloy saw blades, woodworking saw blades, twist drills, hardware tools, and accessories. It reports 12 production lines, inventory capability, written service-capability assessment procedures, and lead times within 15 workdays in both peak and off-peak seasons. Its export-related evidence includes self-operated import/export rights, 31 years of exporting, and 90% of sales from exports. The supplier offers broad customization, 3D design, ODM, and OEM services, but has no available R&D audit documentation, no new products in the past year, and no SDK. Manufacturing controls show gaps: no valid contracts with affiliated subcontractors, no continuous quantity reconciliation, and no outsourcing SOP. Evidence is insufficient for certification holding, financial credibility, and customer cases. Overseas service infrastructure is also limited, with no overseas warehouse, showroom, agents, branches, or offline...

Supplier typeThe supplier is classified as a combined company, with a stated business scope covering manufacturing and sales of diamond saw blades, alloy saw blades, woodworking saw blades, twist drills, hardware tools, and accessories. This directly supports classification as a manufacturer and seller of hardware and cutting-tool products.

After-Sales capabilityTechnical engineers are responsible for technical support during production and after-sales service, and the supplier has in-stock service capability, written service-capability assessment procedures, and uniformly followed finished-product inspection instructions. However, it has no overseas warehouse, showroom, agents, or branches, so the evidence supports technical and product-service capability but not extensive overseas after-sales infrastructure.

Production capacityThe supplier reports more than 10 production lines, specifically 12 lines, inventory capability, lead times within 15 workdays in both peak and off-season, and uniformly followed finished-product inspection instructions. Conversely, it lacks valid contracts with affiliated subcontractors, continuous batch quantity reconciliation, and an outsourcing SOP, indicating strong stated capacity but weaknesses in manufacturing governance and control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with 3D software design services. This is direct evidence of broad product customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. However, no customer names, project examples, or verifiable case details are provided, so the breadth and quality of customer cases cannot be fully assessed.