What materials can be drilled with these bits?

They are designed for drilling concrete, brick, block, pavers, and asphalt.

What is the thread size of the drill bits?

Thread size is 1-1/4' UNC or 1/2' GAS.

Od150mm Diamond Core Drill Bits for Construction

Name: Od150mm Diamond Core Drill Bits for Construction
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 742311545

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$8.80-17.00

50 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customized

Non-Customized

Standard

SGS

Length

83-105mm

Model NO.

15.3.4

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling

Diameter

28-70mm

MOQ

50PCS

Delivery Time

20days

Product Code

Bgb

Thread Size

3/8" or 1/2" Shaft Without Thread

Company Type

Direct Manufacturer and Trading Company for Stone

Color

Multi Color

Market

All Over The World

Warehouse

with Enough Capacity

Establishing Year

2000

Transport Package

Carton

Specification

Trademark

Johnsontool

Origin

China

HS Code

82075010

Production Capacity

1000PCS/Month

Key features

Multi-Color Options: Available in multiple colors to suit different preferences.

Customizable Sizes: Various diameters from 32mm to 350mm available upon request.

Wet and Dry Application: Designed for versatile use in both wet and dry drilling conditions.

Premium Diamond Grade: High-quality diamond core bits ensure fast drilling speed and extended life.

SGS and MPA Certified: Products hold SGS and MPA certificates ensuring quality standards.

Fast Response Time: One-day reply guaranteed for all inquiries and questions.

Laser Welded Technology: Advanced laser welding processing technology for durability.

Global Export Experience: Exporting to over 70 countries with established presence since 2000.

Company profile

Years of Export ExperiencePatents AwardedFast DeliveryOEM Services

Johnson Tools Manufactory 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: 17 Years CertifiedNearest Port: Shanghai Port, Ningbo, QingdaoAverage Response Time: ≤5.18h

AI-Powered supplier vetting

SummaryThe supplier provides OEM and ODM services and supports extensive customization, including sample-, design-, full-, minor-, and flexible customization. It has 17 years of export experience, self-managed import/export rights, 90% export sales, and accepts multiple trade and payment terms. Production is conducted on one line, supported by 11–20 quality-control staff and stated advanced equipment and checking systems. However, no management-system certifications, SDK, new products in the past year, overseas service facilities, or offline trade-show participation are reported. Service procedures and complaint handling lack written records, and production batches are not continuously reconciled. Financial and cash-flow evidence is limited to year labels, so financial credibility cannot be conclusively assessed.

Supplier typeThe supplier is an OEM/ODM manufacturer with its own factory location, one production line, stated production output, advanced equipment, and a technical workforce. It also provides export services directly through self-managed import/export rights, indicating a manufacturing-oriented supplier rather than a pure trading intermediary.

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

After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and it lacks written service-assessment and corrective/preventive-action procedures or records. It also reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, limiting documented overseas service support.

R&D capabilityThe supplier provides ODM and broad design customization, but reports no available SDK and no new products during the past year. These explicit limitations outweigh the design-service evidence when assessing demonstrated recent innovation capability.

Production capacityThe supplier reports one production line, 11–20 quality-control staff, advanced production and checking equipment, and flexible export fulfillment with one-month lead times in both peak and off-season. However, it does not continuously reconcile quantities for each batch or mass production, so production controls are not fully documented.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also offers ODM services. This is strong direct evidence of broad customization capability.

Product Q&A

Q:How to place an order?

Required Products Details: Tell us what is your demand? Which kind of products, size, specification, cutting or grinding or drilling materials? HP of machine? Quantity? Nearest airport and seaport? Then we will give you best offer. Performa Invoice: Offer satisfied, and then confirms the delivery time, payment term, logo, quantity, etc. According to this information, we will do Performa Invoice. Customers do the payment. Production Process: Arrange production, based on the contract and PI descri

Q:What is the delivery time?

If we have steel body in our stock, normally shipment will be around 15 days. If not, usually around 20-30 days.

Q:What are the payment terms?

T/T, Irrevocable L/C at sight, PayPal, West Union, Credit Card, etc.

Q:Can the product size be customized?

Yes, size could be customized. Other sizes are available as per requirements.

Q:What is the minimum order quantity?

The minimum order quantity is 50 PCS for this product.