What is the lead time for production?

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

Can this drill bit be used with angle grinders?

Yes, it can be quickly installed on angle grinders, handheld drills, and bench drills without additional adapters.

Granite Vacuum Brazed Diamond Drill Bit Diamond Dry Hole Saw

Name: Granite Vacuum Brazed Diamond Drill Bit Diamond Dry Hole Saw
Brand: QUANZHOU JINGSTAR CO., LTD.
SKU: 2132289395

Fujian, ChinaQUANZHOU JINGSTAR CO., LTD.

US$1.00

1 Piece

Product profile

Customization

Available

Type

Core Drill

Usage

Metal Drilling

Model NO.

JINGSTAR

Certification

AISI

Color

Black, Blue, or as Your Requirement

Grit

30/40, 40/50, or as Your Requirement

Material

Diamond

Diameter

6mm-140mm

Conenction Part

M14, Hex, Round

Height of Diamond Brazed

8mm, 10mm, 15mm

Transport Package

Carton, Wooden Carton

Specification

6mm-150mm

Trademark

JINGSTAR

Origin

Fujian, China

Production Capacity

50000 Pieces

Key features

Vacuum Brazing Technology: Ensures maximum cutting height and chip space for superior sharpness and durability.

Dry Drilling Capability: Designed for water-free operation, eliminating the need for pumps or water pipes.

Universal Interface Design: Fits standard dual hole or quarter inch handles on drills and angle grinders without adapters.

Customizable Color Options: Available in Blue or customized to meet specific customer requirements.

Wide Diameter Range: Available in sizes from 6mm to 140mm to suit various drilling needs.

OEM Service Support: Full OEM customization services are available for brand and design requirements.

High Efficiency Performance: Fast cutting speed with excellent chip removal and long service life.

Smooth Cutting Quality: Precise wall thickness and tooth design minimize material chipping and damage.

Company profile

QUANZHOU JINGSTAR CO., LTD.

Fujian, China

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: ≤8.76h 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.