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76-500mm Diamond Roof Segments for Drilling Bits
US$1.00-100.00
1 Set
Product profile
Abrasive
DiamondCross-Sectional Shape
RectangularShape
FlatModel NO.
2.4.4Type
Abrasive DiscBonding Agent
MetalBe Brazed on
Core BitsCore Bits Diameter
76-500mmSegment Type
Normal, Turbo, Roof, CrownDrilling Material
Stone and Building MaterialsSegment Thickness
4mm or ThickerDelivery Time
Based on Actual Order, Generally 15daysAdvantage
Good Fixing, Fast DrillingUsage
Stone Cutting, DrillingManufacturing Arts
SinterKind
Diamond DrillTransport Package
CartonSpecification
GBTrademark
Johnson ToolsOrigin
ChinaHS Code
8467991000Production Capacity
50000nos/MonthCompany 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: ≤4.52h
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:Are you a manufacturer or a trading company?
A:
We are a factory-direct manufacturer with a modern production base in Nanjing, China. Since 2005, Johnson Tools has been dedicated to the research, development, and production of professional-grade diamond tools. With more than 20 years of industry experience, we supply high-performance solutions directly from our factory to customers worldwide, ensuring an optimal balance between quality and cost.
Q:Where is your factory located? How can I visit?
A:
Our factory is located in Nanjing, Jiangsu Province, China, with a convenient geographic location and well-developed logistics. It is only a 40-minute drive from Nanjing Lukou International Airport.
We warmly welcome on-site visits and inspections. For international buyers who are unable to visit in person, we also offer online factory tours via WhatsApp or Zoom.
Q:What specific diamond tools do you supply? Do you offer OEM/ODM?
A:
We specialize in manufacturing a wide range of diamond tools, including sintered, electroplated, and vacuum brazed products, such as diamond saw blades, core drill bits, grinding wheels, and polishing pads.
We offer comprehensive OEM / ODM services, allowing customization of formulations, logos, packaging, and even technical performance based on the hardness of stone or concrete in your local market.
Q:How do you ensure the quality of your tools?
A:
Quality is our lifeline.
We implement a multi-stage Quality Control (QC) system, including raw material inspection, 100% in-process inspection, and final safety testing before shipment.
All products are manufactured in compliance with international safety standards, ensuring high precision, long service life, and operator safety.
Q:What is your Minimum Order Quantity (MOQ)?
A:
We offer flexible MOQ policies to support customers of all sizes.
Stock items: No MOQ (1 piece is acceptable for testing)
Custom / OEM products: Competitive low MOQs based on specific requirements
Our goal is to grow together with our partners, supporting the transition from small trial orders to bulk purchases.
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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