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Premium Vacuum Brazed Diamond Drill Bits for Precision Cutting
US$4.50-15.50
500 Pieces
Sample price:US$2.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
StandardModel NO.
BD-003Length
4mm,5mm,8mm,9mm,10mmType
Core Drill BitMaterial
DiamondUsage
Masonry DrillingSize
4mm, 5mm, 8mm, 9mm, 10mmFinishing
OrangeBrand Name
Ostartools or OEMApplication
Drill Granite, Marble, Porcelain Wall and GlassArt Number
Bd-002Arbor
Quick Change Release ArborUsing
Masonry DrillingPackage
White Paper Box, Double Blister, Plastic TubeTransport Package
OPP Bag, Double Blister with Card, CartoonSpecification
4mm, 5mm, 8mm, 9mm, 10mmTrademark
Ostartools or OEMOrigin
Shanghai, ChinaHS Code
8207509000Production Capacity
100000PCS/MonthKey features
Customizable Diameter Range: Available in 4-10mm standard sizes, with custom diameters up to 120mm.
Versatile Drilling Capability: Effective for wet and dry drilling on granite, marble, glass, and ceramic.
Extended Service Life: Vacuum brazed construction offers longer life than electroplated bits.
High Efficiency Cutting: Smooth surface finish with high speed; drills 10mm porcelain in 5 seconds.
OEM Branding Support: Supports OEM branding and custom finishing options like orange coating.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2003-02-14Nearest Port: SHANGHAIAverage Response Time: ≤18hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryThe supplier is identified as Shanghai Ostar Tools Int'l Co., Ltd., a China-based limited trading company also described as a manufacturer/factory, focused on tools and hardware. Evidence indicates export activity since 2003, self-operated import/export rights, and 90% of sales from exports. Its stated product range includes hole saws, saw blades, drill bits, diamond tools, and other cutting accessories. Management certifications listed are BSCI and ISO 9001. Production evidence includes five production lines and reported output of 5,000,000 bi-metal hole saw pieces, while R&D engineers and quality-control staff are each listed as fewer than five. The company states that it maintains dedicated departments for sales, technical supply, manufacturing monitoring, artwork design, shipping, quality control, and after-sales service. Specific evidence for financial strength, customization capability, and named customer cases is insufficient.
Supplier typeThe supplier is classified as a trading company and is also described as a manufacturer/factory. Its business is centered on tools and hardware, with products including hole saws, saw blades, drill bits, and related cutting tools.
CertificationsThe supplier lists BSCI and ISO 9001 management-system certifications. These certifications provide explicit evidence of formal social-compliance and quality-management systems, although no certificate scope or validity details are provided.
After-Sales capabilityThe company explicitly states that after-sales service is a dedicated work division, alongside sales, technical supply, manufacturing monitoring, shipping, and quality control. This supports the existence of an organized after-sales function, though service response performance is not documented.
Production capacityThe supplier presents itself as a manufacturer and exporter of cutting tools, operates five production lines, and reports annual production of 5,000,000 bi-metal hole saw pieces. These stated production resources and output provide explicit evidence of manufacturing capability, although broader capacity across all products is not specified.
Product Q&A
Q:What materials can this drill bit cut?
A:
It is suitable for cutting hard non-ferrous materials such as granite, marble, glass, ceramic, hard concrete, and brick.
Q:Can the drill bit be used for dry drilling?
A:
Yes, it supports both wet and dry drilling. For dry drilling, start with an easy touch to increase efficiency and life by at least 30%.
Q:What are the available diameter sizes?
A:
Standard sizes include 4mm, 5mm, 8mm, 9mm, and 10mm. Custom diameters from 5mm to 120mm are also available.
Q:What is the recommended working speed?
A:
A high-speed drill or grinder must be used with a working speed of 6000-10000 RPM.
Q:Is OEM branding available?
A:
Yes, we support OEM branding. The brand name can be customized to 'Ostartools' or your specific brand.
Send Inquiry
*To:
Shanghai Ostar Tools Int'l Co., Ltd.
Shanghai Ostar Tools Int'l Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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