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Tile Drilling Tools 20 mm Dry Diamond Core Drill Bits for Ceramic Porcelain
US$3.50
10-99 Pieces
US$3.40
100+ Pieces
Sample price:US$15.00/piece.Request sample
Product profile
Customized
CustomizedStandard
SGS,GBLength
67mmType
Core Drill BitMaterial
DiamondUsage
Masonry Drilling, Ceramic, Porcelain, Stone.Thread
M14Total Length
60mmDiameter
20mmApplication
Dry Drilling for Tile/Ceramic/PorcelainTechnology
Vacuum BrazedFeature
Fast Speed and Smooth DrillingDelivery Date
15-20daysTransport Package
Plastics Box PackagingSpecification
20mmTrademark
Johnson ToolsOrigin
ChinaProduction Capacity
10000sets/MonthKey features
Vacuum Brazed Technology: Superior to electroplating for longer bit life and high precision drilling.
Versatile Material Application: Ideal for ceramic, porcelain, granite, marble, and stone with smooth edges.
High Drilling Efficiency: Designed for fast speed and smooth drilling with minimal chipping.
Extended Durability: Capable of drilling more than 30 holes depending on material type.
Full Customization Options: Offers flexible customization from samples, designs, and minor adjustments.
OEM and ODM Services: Manufacturer supports both OEM and ODM service requirements.
Standard Compliance: Meets SGS and GB standard requirements for quality assurance.
Fast Delivery: Delivery time is typically 15-20 days for standard orders.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai Port, Ningbo, QingdaoAverage Response Time: ≤4.31h
AI-Powered supplier vetting
SummaryThe supplier provides OEM and ODM services and supports extensive customization, including sample-, design-, full-, minor-, and flexible customization. It has 17 years of export experience, self-managed import/export rights, 90% export sales, and accepts multiple trade and payment terms. Production is conducted on one line, supported by 11–20 quality-control staff and stated advanced equipment and checking systems. However, no management-system certifications, SDK, new products in the past year, overseas service facilities, or offline trade-show participation are reported. Service procedures and complaint handling lack written records, and production batches are not continuously reconciled. Financial and cash-flow evidence is limited to year labels, so financial credibility cannot be conclusively assessed.
Supplier typeThe supplier is an OEM/ODM manufacturer with its own factory location, one production line, stated production output, advanced equipment, and a technical workforce. It also provides export services directly through self-managed import/export rights, indicating a manufacturing-oriented supplier rather than a pure trading intermediary.
CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. This is a stated absence of certification evidence and represents a deficiency for this field.
After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and it lacks written service-assessment and corrective/preventive-action procedures or records. It also reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, limiting documented overseas service support.
R&D capabilityThe supplier provides ODM and broad design customization, but reports no available SDK and no new products during the past year. These explicit limitations outweigh the design-service evidence when assessing demonstrated recent innovation capability.
Production capacityThe supplier reports one production line, 11–20 quality-control staff, advanced production and checking equipment, and flexible export fulfillment with one-month lead times in both peak and off-season. However, it does not continuously reconcile quantities for each batch or mass production, so production controls are not fully documented.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also offers ODM services. This is strong direct evidence of broad customization capability.
Product Q&A
Q:What materials can this drill bit be used on?
A:
It is ideal for drilling ceramic, porcelain, granite, marble, and stone.
Q:What is the diameter and length of the drill bit?
A:
The out diameter is 20mm and the total length is 60mm.
Q:How long does the drill bit last?
A:
It can typically drill more than 30 holes, lasting dozens of holes on marble.
Q:Is the product customizable?
A:
Yes, we offer full customization, minor customization, and flexible options from samples or designs.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 100 pieces.
Send Inquiry
*To:
Johnson Tools Manufactory Co., Ltd.
Johnson Tools Manufactory Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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