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4 Inch Multi Thread Rubber Backer for Diamond Polishing Pads
US$1.90-2.60
20 Pieces
Sample price:US$2.50/piece.Request sample
Product profile
Customization
AvailableStandard
3" 4" 5" 6"7'Shape
RoundModel NO.
JINGSTAREBonding Agent
Resin BinderColor
BlackMaterial
Rubber Backer M14Size
3inch 4inch 5inch 6inch 7inch(Any Size Can Be MadeAdvantage
High Working EfficiencyTransport Package
CartonSpecification
inch3*4*4.5*5Trademark
JINGSTAROrigin
ChinaProduction Capacity
90000Key features
Customizable Sizes: Available in 3, 4, 5, 6, 7 inches with custom sizing options.
Soft Elasticity: Ideal for polishing curved surfaces, edges, and irregular stone contours.
High-Quality Material: Constructed with high-strength plastic and metal thread insert for durability.
Multi-Thread Compatibility: Supports M14, M16, 5/8'-11, and other global standard specifications.
Anti-Delamination Design: Features anti-aging and anti-cracking properties to prevent peeling.
Versatile Application: Suitable for marble, granite, quartz, and concrete flooring polishing.
OEM/ODM Services: Full customization services available to meet special requirements.
Professional Support: Includes after-sale service and professional technical assistance.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2018-08-21 CertifiedNearest Port: Xiamen PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryQUANZHOU JINGSTAR CO., LTD. is a China-based limited company in Fujian, established in 2018, with eight employees, three production lines, and a stated 100 m² manufacturing plant. It supplies diamond tools, including cutting disks, segments, saw blades, grinding disks, and wire saws, and reports exports to multiple global regions. The supplier states that it has production, design, quality-control, sales-support, and after-sales teams, although the evidence does not quantify service performance or quality outcomes. It reports one year of R&D engineer experience and six to ten quality-control staff. Claimed order lead times are within 15 working days in both peak and off-peak periods. The supplier identifies “Others” for management-system certification, without naming a specific certification. Trade records show several 2025 transactions involving products such as polishing discs, copper strips, cutting bits, and brazing coils with a Pakistan buyer, but the limited buyer and transaction coverage does not...
Supplier typeThe supplier is identified as a combined business and a limited company operating in China, with Tools & Hardware as its commercial trade category and diamond tools as its stated product focus. The available information supports classification as a product manufacturer/exporter, but does not clarify the exact meaning of the “Combined” designation.
After-Sales capabilityThe supplier explicitly states that its sales teams provide sales support and after-sale service. However, no evidence describes service procedures, response times, warranty terms, or documented service performance.
Production capacityThe supplier reports three production lines, a 100 m² manufacturing plant, and a product range covering diamond cutting, grinding, and sawing tools. It also states lead times within 15 working days in both peak and off-peak seasons, but the limited facility size and absence of verified output-quality data prevent a stronger conclusion about capacity.
Client casesTrade records document transactions in 2025 with PAKISTAN STONE COMPANY involving brazing coils, polishing discs, copper strips, and cutting bits. These records confirm at least one identifiable buyer relationship, but they do not demonstrate a broad, diversified, or referenceable customer portfolio.
Product Q&A
Q:What sizes are available for the rubber backer?
A:
We offer 3, 4, 5, 6, and 7-inch sizes, and custom sizes can be made upon request.
Q:Is this backer suitable for curved surfaces?
A:
Yes, the soft elasticity design makes it perfect for polishing curved surfaces, edges, and irregular contours.
Q:What thread specifications does it support?
A:
It supports M14, M16, 5/8-11, and other mainstream specifications for worldwide devices.
Q:Can I use this on different types of machines?
A:
Yes, it is suitable for angle grinders, hand throwing machines, pistol drills, bench drills, and flat drills.
Q:What materials are used to make the backer?
A:
It is made of high-strength plastic and metal thread inserts to prevent delamination and cracking.
Send Inquiry
*To:
QUANZHOU JINGSTAR CO., LTD.
QUANZHOU JINGSTAR CO., LTD.*Content:
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