What is the grit material used?

The grit material is Silicon Carbide, which provides aggressive cutting performance.

Is this disc suitable for cutting granite and marble?

Yes, it is specifically designed for cutting granite, marble, and concrete.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-season periods.

Concrete Cutting

Name: 5-Piece Plastic Back Grinding Discs - Granite/Marble/Concrete Cutting
Brand: SIGNI INDUSTRIAL (SHANGHAI) CO., LTD.
SKU: 2209884235

Shanghai, ChinaSIGNI INDUSTRIAL (SHANGHAI) CO., LTD.

Negotiable

500 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Matrix

Sic

Grain Size

Medium

Application

Machine Tool

Material

Silicon Carbide

Structure

Without Connector

Adhesive Strength

Hard

Substrate Treatment

Water Resistance

Color

Black

Type

T27 T29

Shape

Circle

Transport Package

Carton

Specification

115*22

Trademark

SIGNI

Origin

China

HS Code

6804221000

Production Capacity

5000000PCS/Year

Key features

Extended Durability: Lasts up to 7-10 times longer than conventional aluminum oxide resin fiber discs.

High Cutting Speed: Cuts and grinds faster than conventional grinding discs while leaving an even surface.

Anti-Loading Design: Minimizes material loading on the disc for consistent performance during grinding.

Versatile Application: Suitable for both dry grinding and wet polishing on granite, marble, and concrete.

Durable Plastic Back: Made with high-quality engineering plastic; resistant to deformation in heat or humidity.

No Backup Pad Needed: Fits most angle grinders directly without requiring a separate backing pad.

Aggressive Grit: Features Silicon Carbide medium grit for aggressive cutting and grinding.

Customizable Options: Available in Black color, T27/T29 types, and Circle shape for specific needs.

Company profile

SIGNI INDUSTRIAL (SHANGHAI) CO., LTD.

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2008-05-08Average Response Time: ≤5.95hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, FCA

AI-Powered supplier vetting

SummarySigni Abrasive & Diamond Tools Co., Ltd., founded in 1996 in Shanghai, produces resin- and vitrified-bonded abrasives and super-hard diamond tools. It reports ISO 9001, ISO 14001, and ISO 14000 certifications, five production lines, 11–20 years of combined R&D engineer experience, and exports to a broad range of global markets. The supplier offers extensive customization and ODM services and reports OEM service for popular brands. However, it reports no overseas showrooms, agents or branches, or offline trade-show participation, and service procedures lack written records. No new products were reported during the past year, and no SDK is available. Quality assurance is stated, but the quality-control staff count is fewer than five. Financial information is present but is not sufficient here to establish a clear credibility assessment.

Supplier typeThe supplier is a manufacturer and seller focused on hardware tools, power tools, accessories, abrasives, and diamond tools. Its company description specifically identifies production of resin-bonded and vitrified-bonded abrasives and super-hard diamond tools.

CertificationsThe supplier reports holding ISO 9001, ISO 14001, and ISO 14000 certifications. These stated management-system certifications provide explicit evidence of certification coverage.

After-Sales capabilityThe supplier has procedures for corrective and preventive actions, customer complaints, and supplier-service assessment, but reports no written records for these procedures. It also has no overseas showroom, agent or branch, or offline trade-show experience, although it reports lead times within 15 working days and accepts multiple quotation and payment terms.

Production capacityThe supplier reports five production lines, fewer than five quality-control staff, and experience producing resin-bonded, vitrified-bonded, and super-hard diamond tools. Its broad export-market coverage also indicates established international supply activity, although capacity volume is not assessed here.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. It also reports OEM service for popular brands, providing strong direct evidence of customization and contract-manufacturing capability.