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CARMEX

CARMEX is a manufacturer of precision threading tools, including inserts, boring bars, and toolholders, with a focus on indexable turning solutions for industrial machining applications. The brand is recognized for its specialization in thread turning and milling, offering a range of products designed to meet the demands of high-accuracy threading operations. CARMEX products are engineered to handle various thread forms, including UN, NPT, BSP, and metric standards, with inserts available in multiple geometries and coatings to suit different workpiece materials such as steel, stainless steel, and non-ferrous alloys. The product line includes threading inserts with specific profiles like 16 IR G60 BMA and 08 IR 28 UN BMA, as well as boring bars such as the MTR 3 R0.2 L15 BXC, which features a 3.00 mm shank diameter and a right-hand orientation for internal threading. CARMEX tools are built to tight tolerances, with inserts typically manufactured from carbide grades that balance wear resistance and toughness. The brand's catalog covers a range of insert sizes, from 08 to 21, and includes both partial and full profile options for external and internal threading. 3G Electric supplies CARMEX machining tools globally, offering over 170 SKUs with logistics support for procurement specialists and plant engineers. The inventory includes threading inserts for standard and special thread forms, boring bars for small-diameter internal threading, and toolholders for indexable turning operations. Each product is specified with manufacturer part numbers and dimensional data, enabling direct comparison of shank diameters, cutting tip offsets, and thread pitches. CARMEX tools are applicable in industries such as oil and gas, automotive, and general engineering, where precise thread profiles are critical for component assembly and sealing. The brand's focus on threading specialization means that its products are often used in high-volume production environments where repeatability and tool life are key considerations. 3G Electric supports the line by providing access to technical specifications and a global supply chain, allowing maintenance managers and procurement specialists to source CARMEX tools without geographic restrictions.

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About CARMEX

CARMEX is a manufacturer of precision threading tools, including inserts, boring bars, and toolholders, with a focus on indexable turning solutions for industrial machining applications. The brand is recognized for its specialization in thread turning and milling, offering a range of products designed to meet the demands of high-accuracy threading operations. CARMEX products are engineered to handle various thread forms, including UN, NPT, BSP, and metric standards, with inserts available in multiple geometries and coatings to suit different workpiece materials such as steel, stainless steel, and non-ferrous alloys. The product line includes threading inserts with specific profiles like 16 IR G60 BMA and 08 IR 28 UN BMA, as well as boring bars such as the MTR 3 R0.2 L15 BXC, which features a 3.00 mm shank diameter and a right-hand orientation for internal threading. CARMEX tools are built to tight tolerances, with inserts typically manufactured from carbide grades that balance wear resistance and toughness. The brand's catalog covers a range of insert sizes, from 08 to 21, and includes both partial and full profile options for external and internal threading. 3G Electric supplies CARMEX machining tools globally, offering over 170 SKUs with logistics support for procurement specialists and plant engineers. The inventory includes threading inserts for standard and special thread forms, boring bars for small-diameter internal threading, and toolholders for indexable turning operations. Each product is specified with manufacturer part numbers and dimensional data, enabling direct comparison of shank diameters, cutting tip offsets, and thread pitches. CARMEX tools are applicable in industries such as oil and gas, automotive, and general engineering, where precise thread profiles are critical for component assembly and sealing. The brand's focus on threading specialization means that its products are often used in high-volume production environments where repeatability and tool life are key considerations. 3G Electric supports the line by providing access to technical specifications and a global supply chain, allowing maintenance managers and procurement specialists to source CARMEX tools without geographic restrictions.

Common Applications

  • Oil and gas — CARMEX threading inserts for NPT pipe threads in valve and fitting manufacturing
  • Automotive — CARMEX boring bars for internal threading in engine components and hydraulic parts
  • General engineering — CARMEX UN threading inserts for bolt and nut production in high-volume machining
  • Aerospace — CARMEX metric threading inserts for precision fasteners in structural assemblies
  • Hydraulics — CARMEX BSP threading inserts for port connections in cylinder and pump components

Frequently asked questions

Common questions about CARMEX from 3G Electric.

What thread forms are available for CARMEX threading inserts?

CARMEX threading inserts are available for a variety of thread forms, including UN (Unified National), NPT (National Pipe Taper), BSP (British Standard Pipe), and metric standards. The inserts are designed with specific profiles, such as 16 IR G60 BMA for 60-degree threads and 08 IR 28 UN BMA for UN threads. Each insert is marked with the thread form and pitch, allowing selection based on the required thread standard and material.

What is the shank diameter range for CARMEX boring bars?

CARMEX boring bars, such as the MTR 3 R0.2 L15 BXC, have shank diameters as small as 3.00 mm for internal threading in small bores. The range typically includes diameters from 3 mm to 25 mm, with corresponding center-to-cutting-tip offsets. These bars are designed for right-hand or left-hand operation and are used for threading in confined spaces.

Are CARMEX threading inserts suitable for stainless steel?

Yes, CARMEX threading inserts are available in carbide grades and coatings that are suitable for stainless steel. For example, the BMA grade is designed for general-purpose threading in steel and stainless steel. The insert geometry and coating help manage heat and reduce built-up edge, improving tool life in stainless steel applications.

How do I select the correct CARMEX threading insert for NPT threads?

For NPT threads, select a CARMEX insert with the NPT designation, such as 14 - 18 NPT MT7. The insert number indicates the thread size (e.g., 14 for 1/4 inch) and pitch (18 threads per inch). Ensure the insert matches the thread form and taper angle of NPT standards. The MT7 coating is suitable for steel and cast iron.

What is the difference between partial and full profile CARMEX inserts?

Partial profile CARMEX inserts, like the 16 IR G60 BMA, cut the thread root and crest but require a separate tool for the full thread depth. Full profile inserts, such as the 21 I 16 UN MT7, cut the complete thread form in one pass, including the root and crest. Full profile inserts are used for higher precision and productivity, while partial profile inserts offer flexibility for different thread depths.

Does 3G Electric supply CARMEX products?

Yes — 3G Electric (S) Pte. Ltd. supplies CARMEX products. We stock the CARMEX catalog and supply genuine factory-original products with full manufacturer warranty and technical support.