What materials are used for the drill bits?

The drill bits are made of diamond with a vacuum brazed manufacturing process.

What are the available segment types?

We offer various segment types including column, ring, and slot configurations depending on the diameter.

6mm Diamond Tool Core Drill Bit for Drilling Granite Marble Tile

Name: 6mm Diamond Tool Core Drill Bit for Drilling Granite Marble Tile
Brand: SINO ZHENG INDUSTRIAL INC.
SKU: 2055479755

Henan, ChinaSINO ZHENG INDUSTRIAL INC.

US$1.00-150.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Blade Type

Circle

Manufacturing Process

Electroplating

Model NO.

BSD-D1

Application

Concrete

Size

6-178mm

Character

Sharp

Delivery

3-7days

Sample

Free

Material

Diamond

Segment

Customizable

Transport Package

Carton

Trademark

BOSDI

Origin

China

HS Code

8202391000

Production Capacity

5000PCS/Day

Key features

Versatile Dry and Wet Drilling: Suitable for dry drilling of granite, marble, and tiles; performs better in wet conditions with extended life.

Customizable Segment Design: Segment geometry is customizable to meet specific drilling requirements and material types.

Self-Cooling and Sharpening: Features self-cooling and self-sharpening capabilities for sizes ranging from 6mm to 14mm.

Enhanced Smoothness Protection: Protective diamond stripes on the shank ensure smoother drilling and improved tool life.

Wide Diameter Range: Available in sizes from 6mm to 178mm with various segment configurations including column, ring, and slot types.

Fast Drilling Speed: Designed for fantastic drilling speed, significantly outperforming standard electroplated bits in dry applications.

Easy Core Removal: Cooling slots design facilitates easier core removal when the bit gets stuck during operation.

Free Sample Availability: Free samples are available for customers to test product quality before placing bulk orders.

Company profile

Importers and ExportersFast DeliveryR&D Capabilities

SINO ZHENG INDUSTRIAL INC.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-25Nearest Port: ZHENGZHOU, QINGDAO, SHANGHAIAverage Response Time: ≤8.80hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, CPT, EXW

AI-Powered supplier vetting

SummarySINO ZHENG INDUSTRIAL INC. is identified as both a trading company and manufacturer/factory in China, offering magnesium wheels, welding wire, heatsinks, anodes, plates, and related products. It reports ISO 9001 and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Export activity is established, with 71%–90% of sales from exports, self-operated import/export rights, exports beginning in 2015, and markets across the Americas, Europe, and Southeast Asia. Product descriptions and company information indicate technical expertise in magnesium materials and welding processes. However, overseas service infrastructure, 3D design, OEM/ODM, after-sales capability, and customization are not sufficiently documented. The audit record identifies BV, but the stated evaluation result is 0, which should be treated cautiously.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, indicating combined commercial and manufacturing functions. Its listed product portfolio is centered on magnesium products.

CertificationsThe supplier lists ISO 9001 and ISO 14001 management-system certifications. A BV audit is also recorded with validity from September 10, 2025 to September 9, 2026, but the audit evaluation result is stated as 0, so the audit outcome itself does not provide positive assurance.

R&D capabilityThe company describes technological, product, and process innovation, including a one-time extrusion process for 1.2 mm magnesium welding wire and efforts to expand magnesium applications. It also reports 6–10 R&D engineers, but 3D design, new-product development status, ODM, and OEM capabilities are marked unknown.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and stated output for magnesium welding wire and forged magnesium wheels. It also reports off-peak lead times within 15 working days and peak-season fulfillment of 2–3 months, supporting an established production operation, although the production figures should be interpreted as self-reported.

Client casesTwo records identify the same buyer, CÔNG TY CỔ PHẦN HUY MINH, associated with specified cathodic-protection alloy products imported into Vietnam. These records provide evidence of an associated buyer and product transactions, but they do not establish the scale, duration, performance, or breadth of customer references.

Product Q&A

Q:Can these drill bits be used for dry drilling?

Yes, our vacuum brazed dry drill bits are specifically designed for dry drilling of granites, marble, hard tiles, and ceramics.

Q:What is the difference between dry and wet usage?

While they work in both conditions, they perform much better in wet conditions, offering a life multiple times longer than electroplated bits which cannot be used dry.

Q:Are the drill bit sizes customizable?

Yes, the size is customizable ranging from 6mm to 178mm, and the segment design is also customizable.

Q:Do you offer free samples?

Yes, we provide free samples for customers to evaluate the product quality.

Q:What is the delivery time for orders?

The delivery time is typically 3-7 days, though peak season lead times may extend to 1-3 months.