Can I customize the product based on a sample?

Yes, customization from samples is available.

What is the working length of the drill bit?

Working lengths vary by diameter, typically ranging from 200mm to 450mm.

What type of thread fitting is used?

Fittings include 1/2BSP for smaller diameters and 1-1/4 UNC for larger ones.

Premium Laser Welded Wet Diamond Core Drill Bit for Concrete Drilling

Name: Premium Laser Welded Wet Diamond Core Drill Bit for Concrete Drilling
Brand: Shijiazhuang Dowell Technology Co., Ltd.
SKU: 2242443575

Hebei, ChinaShijiazhuang Dowell Technology Co., Ltd.

US$25.00-30.00

2 PC

Product specifications

Diameter

Working Length

Product profile

Type

Core Drill

Usage

Concrete Drilling

Manufacturing Art

Laser Welded

Model NO.

DWCBS102

Drilling

Wet Only

Working Length

300mm/350mm/450mm

Thread

1-1/4" Unc(F), CRI28 Pixie

Core Barrel

Grade 20 Steel

Segment

Shark

Segment Height

10/12mm

Feature

Fast Drilling

Wet or Dry Operation

Wet

Transport Package

Pallet/Cartoon/Wooden Box

Trademark

Dowell Technology

Origin

China

HS Code

82071910

Production Capacity

1500PCS/Month

Key features

Laser Welded Construction: Premium quality laser welded diamond segments ensure durability and maximum performance.

Fast Drilling Performance: Consistently very fast cutting with noticeable smooth running behavior.

Reinforced Concrete Specialist: Ideal for processing reinforced concrete with high steel content.

Wide Diameter Range: Available in diameters from 12mm to 600mm for various applications.

Shark Segment Design: Developed for long life and enables fast starting of cut.

Versatile Material Use: Suitable for reinforced concrete, exposed aggregate, and precast concrete.

Multiple Thread Options: Available with 1/2BSP or 1-1/4 UNC fittings depending on diameter.

100% Quality Inspection: Finished products undergo 100% visual inspection before packing.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Shijiazhuang Dowell Technology Co., Ltd.

Hebei, China

Business Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 5years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, D/P, T/T, etc.

AI-Powered supplier vetting

SummaryThe supplier’s registered scope covers technical services and trading across hardware, electrical, mechanical, plastic, rubber, automotive, electronic, metal, daily-use, building-material, medical-device, chemical, and import/export categories. However, the provided assessment shows limited formal management infrastructure: no written supplier-service procedures, corrective/preventive-action records, or complaint-handling procedures; no management-system certifications; and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. R&D evidence is weak, with no new products in the past year, no ODM, OEM for popular brands, or SDK availability, and only one year of R&D-engineer experience reported. Financial records provided show zero operating revenue, costs, profit, and cash-flow amounts for the stated periods, which does not establish financial strength. A lead time of within 15 working days and export-market coverage in Southeast Asia/Mideast and Europe are stated, but...

Supplier typeThe supplier presents a broad technical-service and trading scope, including hardware, machinery, electrical equipment, multiple material categories, automotive and electronic products, medical devices, chemicals, and import/export activities. The available evidence supports classifying it as a diversified trading and technical-services supplier rather than confirming it as a manufacturer.

CertificationsThe supplier’s certification of management systems is explicitly recorded as NIL. This is a stated absence of certification evidence for this field.

After-Sales capabilityThere are no written procedures or records for effective supplier-service assessment, corrective and preventive actions, or customer-complaint handling. The supplier also reports no overseas warehouse, showroom, agent/branch, or offline trade-show capability, indicating limited documented after-sales and overseas service infrastructure.

Financial creditThe supplied financial records report zero operating revenue, operating cost, gross profit, operating profit, cash received, cash inflows, and cash outflows for the stated periods. These figures do not demonstrate financial strength and create a material concern about operating activity, although the records alone do not establish the reason for the reported zeros.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, no SDK, and no OEM service for popular brands. It also reports no ERP-based digital management and provides zero values for listed sustainable-development and technical-transformation capabilities, so the evidence does not support meaningful innovation capability.

Customization capabilityThe supplier explicitly reports no ODM service and no OEM capability for popular brands. Because ODM/OEM are directly relevant customization indicators, the available evidence shows a stated deficiency in customization capability.