What is the minimum order quantity?

The minimum order quantity is 100 pieces.

What are the lead times for orders?

The average lead time is one month, regardless of peak or off-season periods.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Premium 30mm Diamond Core Drill Bit for Hard Materials

Name: Premium 30mm Diamond Core Drill Bit for Hard Materials
Brand: Outewei (Jiangsu) Machinery Technology Co., Ltd.
SKU: 2088560272

Jiangsu, ChinaOutewei (Jiangsu) Machinery Technology Co., Ltd.

US$16.00

100 Pieces

Sample price:US$16.00/piece.Request sample

Product profile

Customization

Available

Warranty

12 Months

Certification

ISO 9001:2000

Model NO.

Diamond stone Drill bit 28 half disc

Standard

Manufacturing Process

Casting

Material

Tungsten Carbide

Round Shank Od

43mm 35mm 38mm 30mm 40mm 42mm Customized

Carbide Od

30mm 28mm 25mm 22mm 19mm 16mm Customized

Reach

89mm 102mm 114mm 104mm 74mm 80mm Customized

Setp Shank

Customized

Optional Function

Custom Logo Laser Printed

Quality Control

QC System and Record All Production Process

Loading Port

Shanghai

Transport Package

Standard Wooden Boxes or Pails

Specification

Diamond Stone Drill Bit

Trademark

OUTEWEI

Origin

China

Key features

Customizable Dimensions: Carbide OD, Reach, and Shank sizes are fully customizable to meet specific project requirements.

High Durability Material: Constructed with special steel and tungsten carbide for superior wear resistance and strength.

Enhanced Efficiency: Designed for peak productivity in landscaping, plumbing, and electrical trenching projects.

Strict Quality Control: Comprehensive QC system records all production processes for full transparency and review.

Professional OEM/ODM: Supports custom logo laser printing and flexible customization from samples or designs.

ISO Certified Quality: Manufactured under ISO 9001:2000 certification standards ensuring consistent product quality.

Robust Steel Body: Unique hardness treatment on the steel body offers unmatched wear protection and longevity.

Reliable Warranty: Comes with a 12-month warranty covering mechanical defects for peace of mind.

Company profile

Importers and ExportersFast DeliveryQA/QC InspectorsManagement Certification

Outewei (Jiangsu) Machinery Technology 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: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.61h

AI-Powered supplier vetting

SummaryOUTEWEI supplies cutting picks, sleeves, and holders, while its stated business scope also includes cutting fluids, quenching fluids, lubricants, and import/export activities. The supplier demonstrates broad customization, ODM and OEM capabilities, recent new-product activity, inventory capacity, documented inspection and corrective-action procedures, and quality assurance. It reports ISO 9001:2015 quality-management objectives, but no explicit certification-holding evidence is provided. International operating capability is limited: exports represent 1%–10% of sales, exporting began one year ago, and the supplier has no overseas agents, branches, warehouse, showroom, or offline trade-show participation. Production-related evidence includes valid contracts with associated subcontractors and one-month lead times in both peak and off-season periods. Financial information is limited to the years 2021–2023 without performance figures, so financial credibility cannot be fully assessed.

Supplier typeThe supplier is a manufacturer/service supplier offering cutting picks, sleeves, and holders, with additional sales of cutting fluids, quenching fluids, and lubricants. It reports OEM service for well-known brands, inventory capability, and valid manufacturing contracts with associated subcontractors, indicating a production-oriented supplier rather than a purely trading entity.

After-Sales capabilityThe supplier has documented and followed procedures for handling customer complaints, corrective and preventive actions, and effective supplier-service assessment. These controls support after-sales responsiveness, although specific warranty terms, repair arrangements, or service response times are not provided.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and offers broad design customization. It also references machine-park modernization and technology development, but reports no available SDK, so digital product-integration capability is absent.

Production capacityProduction-support evidence includes inventory capability, valid contracts with every associated subcontractor, uniformly followed finished-product inspection instructions, written supplier-service procedures with records, and one-month average lead times in both peak and off-season periods. These facts support an established production and quality-control process, although production volume and equipment capacity are not stated.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, demonstrating a broad stated ability to adapt products to customer requirements.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one category of customer experience. However, no brand names, project details, order scope, or independently verifiable case studies are supplied, and the supplier reports no overseas agents or branches and no participation in offline trade shows.