Indexable Counter Bores

We are a Manufacturer of Indexable CounterBores in India. It is a cylindrical flat bottomed hole that enlarges another coaxial hole. Indexable Counterbore is usually used when a fastener, such as socket head cap screw is required to sit flush with or below the level of a workpiece surface.

Technical Specification
Product Name	Indexable Counter Bore
Material	HSS and Carbide
Number of Inserts	1 – 2 inserts
Size Range	M8 – M36
Tool Length Range	70 – 260 mm
Coolant	External Coolant Recommended
Application	Counterboring for socket head cap screws
Customization	Available as per customer requirement

Precision, Durability & High Performance Counterboring

Our Indexable Counter Bore tools are engineered for accurate counterboring of socket head cap screw holes. Designed for industrial machining, these tools ensure consistent hole dimensions, smooth finishes, and reliable performance across multiple machining applications.
Manufactured using high-grade HSS and carbide materials, the tool delivers exceptional strength, wear resistance, and long tool life. This ensures stable machining performance even in demanding environments with tough metals and high-volume production operations.
The indexable insert design allows quick insert replacement without changing the entire tool body. This feature reduces downtime, improves machining efficiency, and lowers tooling costs while maintaining high productivity in CNC and conventional machining operations.
Available with one or two insert configurations, the counter bore tool provides flexibility depending on machining requirements. Multiple insert options improve cutting stability, enhance chip evacuation, and ensure smooth machining for precise counterbore operations.
Our Indexable Counter Bore supports sizes ranging from M8 to M36, making it suitable for a wide range of industrial fastening applications. This versatility allows machinists to perform multiple counterboring operations using a single tooling solution.
With tool lengths ranging from 70 mm to 260 mm, the counter bore provides improved reach for deep holes and complex workpieces. This design enables efficient machining in various manufacturing environments including automotive and heavy engineering.
Designed for use with external coolant systems, the tool helps maintain cutting temperature, improve tool life, and enhance machining accuracy. Coolant assistance ensures better lubrication and chip removal during high-speed machining processes.
We offer customized Indexable Counter Bore tools tailored to customer specifications. From special diameters and lengths to custom insert configurations, our solutions are designed to meet unique machining requirements across multiple industries.

Reliable Cutting Solutions Trusted by Global Manufacturers

Our indexable counter bore tools are manufactured using advanced CNC grinding and precision machining technology. Strict quality control ensures every tool meets international standards for accuracy, durability, and performance in demanding industrial machining environments.
Each tool is engineered to deliver precise counterbore diameters and depths. This ensures perfect seating for socket head cap screws, improving assembly reliability and reducing the risk of machining errors during production.
The indexable insert design significantly reduces tooling costs by allowing insert replacement instead of full tool replacement. This design improves operational efficiency and lowers overall machining expenses in large-scale manufacturing operations.
Our cutting tools are designed to meet international quality expectations and are supplied to global industries. Reliable performance and consistent quality make them suitable for manufacturers, distributors, and OEM partners worldwide.
These counter bores perform efficiently on a wide range of materials including steel, alloy steel, stainless steel, cast iron, and non-ferrous metals. This versatility makes them suitable for multiple industrial machining applications.
We maintain efficient manufacturing processes and inventory management to ensure quick order fulfillment. Customers benefit from shorter lead times and reliable supply for continuous production operations.
Our experienced engineering team provides technical guidance to help customers select the most suitable counter bore solutions for their applications. This support ensures optimal tool performance and improved machining productivity.
Our indexable counter bore tools are trusted by machine shops, automotive manufacturers, aerospace suppliers, and precision engineering industries for their reliability, durability, and consistent machining performance.

Complete Private Label Cutting Tool Solutions

DIC Tools provide complete OEM branding services that allow distributors and industrial suppliers to sell our indexable counter bores under their own brand name. Custom labeling enhances brand visibility and strengthens market presence.
Our tools are packed using durable industrial packaging that protects them from damage during transportation and storage. Secure packaging ensures tools reach customers in perfect condition for immediate use.
OEM customers can request customized product labels including brand name, product code, size specifications, and technical details. This improves product identification and simplifies inventory management for distributors.
We support custom packaging designs such as printed boxes, plastic cases, and branded cartons. This flexibility allows businesses to create unique packaging that reflects their brand identity.
For international distributors and large orders, we provide strong bulk packaging designed for export shipping. This ensures safe transportation and reduces the risk of damage during long-distance logistics.
We maintain strict confidentiality for OEM customers, ensuring that private label products are manufactured and supplied exclusively under the client’s brand without revealing the original manufacturer.
We can provide customized catalogs, product specification sheets, and labeling documents for OEM clients. These materials help businesses present their products professionally to customers and distributors.
We focus on building long-term partnerships with distributors and industrial brands by offering consistent quality, flexible manufacturing, and reliable supply of indexable counter bore tools for global markets.

Product FAQ's

1. What is an Indexable Counter Bore tool?

An Indexable Counter Bore is a precision cutting tool used to enlarge the top portion of a drilled hole to create a flat-bottom recess for socket head cap screws or fasteners. The replaceable inserts improve efficiency, reduce tool replacement cost, and ensure consistent machining performance.

2. What are the advantages of using an Indexable Counter Bore?

Indexable Counter Bore tools offer several advantages including quick insert replacement, longer tool life, improved machining accuracy, reduced downtime, and lower tooling costs. These tools provide consistent counterboring performance in CNC machines and conventional drilling operations across various industrial applications.

3. What size range is available for Indexable Counter Bore tools?

Standard Indexable Counter Bore tools are typically available in size ranges from M8 to M36, making them suitable for counterboring holes designed for socket head cap screws and other industrial fasteners commonly used in precision engineering applications.

4. Can Indexable Counter Bore tools be used on CNC machines?

Yes, Indexable Counter Bore tools are designed for both CNC machining centers and conventional drilling machines. Their rigid construction and precise insert positioning ensure stable cutting performance and accurate counterbore dimensions in automated machining operations.

5. Why is coolant recommended during counterboring operations?

Using external coolant during counterboring helps reduce cutting temperature, improves chip evacuation, and extends insert life. Coolant also enhances surface finish quality and prevents overheating when machining tough materials or performing heavy-duty counterboring operations.

6. What industries commonly use Indexable Counter Bore tools?

Industries such as automotive manufacturing, aerospace engineering, machine tool production, heavy equipment manufacturing, and precision engineering frequently use indexable counter bore tools for accurate counterboring and fastener seating applications.

7. Can Indexable Counter Bore tools be customized for special applications?

Yes, DIC Tools offer custom indexable counter bore tools according to customer requirements. Customization may include special diameters, tool lengths, insert configurations, and geometries designed to meet specific machining conditions or production needs.

8. How do I choose the right Indexable Counter Bore tool?

Selecting the correct tool depends on hole size, counterbore diameter, workpiece material, machine type, and required depth. Choosing the correct insert material and tool length ensures optimal cutting performance, longer tool life, and accurate machining results.

Need Additional Support?

If you didn’t find the information you’re looking for, please connect with our DIC Tools specialists for expert assistance. Our team is ready to support you with product selection, technical guidance, and export inquiries.
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