What is your warranty time and after-sales policy?

For equipments, we have 1 year warranty time and 2 years for gearbox not included quick-worn spare parts. If the machines have problems within warranty time, our engineers will require pics or videos to analyze problem to find a best solution and we can replace the components for free. If out of guaranteed time, we advise to send to our dealers near your city or you can solve by yourself, we can support videos for you.

Are there any discounts for bulk orders?

Firstly, our discounts will based on your order quantity. Further more, we will hold some promotions irregularly such as our company anniversary, mid-year promotion, Christmas/New Year holiday promotions, etc.

Wholesale Diamond Wet Core Drill Bit Reinforced Concrete Hole Saw Core Bit

Name: Wholesale Diamond Wet Core Drill Bit Reinforced Concrete Hole Saw Core Bit
Brand: Hangzhou Vleader Tools Co., Ltd.
SKU: 2296950595

Zhejiang, ChinaHangzhou Vleader Tools Co., Ltd.

US$15.22

1 Piece

Product specifications

O.D/MM

Product profile

Customization

Available

Type

Core Drill

Usage

Masonry Drilling, Concrete Drilling

Model NO.

Diamond Wet Core Bit

Certification

En13236

Working Length(mm)

450

Thread

1-1/4

Thickness of Barrel(mm)

2.0/2.5/3.0

Segment Size(mm)

24*3.5*10/24*4.0*10/24*4.5*10/24*5.0*10

Transport Package

Carton

Specification

Trademark

Origin

China

Key features

High-Quality Diamond Segments: Laser welded segments with highest quality artificial diamonds for faster cutting and longer life.

Special Lengths Available: Custom working lengths can be provided to meet specific project requirements.

Prevents Segment Loss: Advanced laser welding technology ensures segments remain securely attached during drilling.

Versatile Drilling Applications: Designed for medium to large jobs in masonry and concrete drilling.

OEM/ODM Service: Factory offers full customization from samples, designs, and flexible customization options.

Certified Quality: Product meets En13236 certification standards for professional use.

100% Inspection: Every finished product undergoes visual and function inspection before shipping.

Global Export Experience: Over 10 years of exporting experience to more than 30 countries since 1999.

Company profile

Importers and ExportersQuality AssuranceOEM Services100% Finished Products Inspection

Hangzhou Vleader Tools Co., Ltd.

Zhejiang, 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. CertifiedNearest Port: Shang hai portAverage Response Time: ≤1.74h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier operates across equipment, security, firefighting, robotics, artificial intelligence hardware, machinery, components, and related technical or design services. It demonstrates broad customization capability, ODM services, recent new-product activity, and OEM service for known brands. Manufacturing information indicates two production lines, fewer than five quality-control staff, one R&D engineer, and one-month order fulfillment in both peak and off-peak periods. However, supplier-service controls are weak: no documented procedures or records were reported for supplier assessment, corrective actions, or complaint handling, and production batches are not continuously reconciled. The available information does not establish certifications, customer cases, or financial credibility; monetary figures are omitted.

Supplier typeThe supplier presents a broad equipment and industrial-product business scope, covering security and firefighting equipment, robots, AI hardware, pumps, mining and agricultural machinery, electrical equipment, components, repair, leasing, sales, design, and technical services. This supports classification as a diversified equipment and machinery supplier rather than a narrowly specialized provider.

After-Sales capabilityThe supplier reports no written procedures or records for effectively handling customer complaints, and no written corrective and preventive-action procedures or records. These are explicit weaknesses in documented after-sales and issue-resolution controls.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, indicating active product-development capability. However, it has only one year of total R&D-engineer experience and no available SDK, so the evidence supports product innovation but not a strong software-development platform capability.

Production capacityThe supplier operates two production lines and reports one-month fulfillment during both peak and off-peak periods. Nevertheless, it has fewer than five quality-control staff and does not continuously reconcile quantities for each batch or mass production, indicating capacity with material production-control limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also states that ODM services are available, providing strong direct evidence of broad customization capability.

Product Q&A

Q:Are you a manufacturer or a trading company?

We are a global OEM/ODM factory for some famous brands in the light construction industry since 1999 and also with more than 10 years exporting experience to 30+ countries.

Q:What is your MOQ?

Minimum order quantity is 1 pc based on stock products. MOQ: 50pcs for OEM service.

Q:Can I get a free sample for testing?

Yes, sample testing is available, you can pay for sample in advance and we will refund or deduct the cost in your regular/bulk order.

Q:How long is your delivery time?

Normally, stock products for sample testing is around 3-7 days. Regular/Bulk order is around 30-45 days.

Q:What is your payment term?

Bulk order accept L/C at sight, T/T, VTB. Sample order/ small account accept Paypal/Alipay. We request pay deposit 30% in advance, 70% before shipment after QC inspection.