Threaded Flanges
Manufacturing of precision flanges with internal or external threads, controlled bore-to-face dimensions, and repeatable feature accuracy for mechanical, hydraulic, and industrial assemblies.
Get precision-machined threaded flanges built for demanding mechanical, hydraulic, and industrial applications. M.A.R.'s Engineering combines CNC turning, milling, threading, and in-house finishing to deliver tight tolerances, repeatable quality, and efficient production from prototypes to high-volume runs. Explore capabilities, materials, quality standards, and manufacturing advantages for custom threaded flange components.

Custom flange manufacturing supported by precision machining, threading, finishing, and scalable production capabilities.
Manufacturing of precision flanges with internal or external threads, controlled bore-to-face dimensions, and repeatable feature accuracy for mechanical, hydraulic, and industrial assemblies.
Production of custom flange and coupling bodies with bolt holes, slots, keyways, milled flats, and close-tolerance geometry completed efficiently in fewer setups.
Precision turning for cylindrical flange features, threaded profiles, and concentric dimensions across prototype and production quantities using live tooling and sub-spindle capability.
Secondary and integrated milling operations for bolt circles, faces, slots, and custom flange details requiring accurate positional relationships and clean finishes.
In-house plating, polishing, black oxide, zinc, powder coating, and related finishing options to improve corrosion resistance, appearance, and functional performance.
Scalable manufacturing support for repeat flange orders using single-spindle and multi-spindle equipment to reduce cycle times and maintain dimensional consistency.
M.A.R.'s Engineering manufactures CNC precision machined flanges with threads for applications where fit, sealing performance, and dimensional consistency matter. Using integrated turning, milling, and threading capabilities, the team produces custom flange components with accurate bolt patterns, controlled bore dimensions, and dependable thread quality. With in-house finishing, traceable quality practices, and experience dating back to 1964, customers can streamline sourcing from prototype development through full production.

See why manufacturers rely on consistent quality, traceability, and efficient production support.
Customers choose M.A.R.'s Engineering for precision, production flexibility, and dependable in-house support.
Nearly 60 years of family-run machining experience support reliable threaded flange production.
Turning, milling, threading, finishing, and light assembly in one facility reduce delays.
ISO-compliant processes and full dimensional traceability help maintain repeatable part accuracy.
Prototype quantities and high-volume runs are supported with CNC and screw machining equipment.
Experienced machinists and manufacturing specialists you can trust.
M.A.R.'s Engineering Company Inc. has been a family-run precision manufacturing business since 1964. Founded by Manuel and Reine Ambrosio, the company built its reputation on machining complex parts to close tolerances and has continued expanding its capabilities through new equipment, added operations, and long-term customer relationships. Over the decades, the business added multi-spindle capacity, expanded CNC machining, and brought Wire EDM in-house to improve quality control, tooling responsiveness, and production efficiency. Today, M.A.R.'s Engineering continues to serve customers that need dependable threaded components, flanges, and other precision-machined parts with a streamlined, single-source manufacturing approach from prototype through production.
M.A.R.'s Engineering manufactures custom threaded flanges for structural, hydraulic, and mechanical applications. Capabilities include flange bodies with internal or external threads, bolt circles, milled flats, slots, keyways, and other custom features. Parts can be produced in aluminum, stainless steel, carbon steel, and brass, with dimensions and thread forms matched to customer drawings and functional requirements.
Talk with our team about specs, quantities, and production options.
Quality-focused manufacturing and documented process control.
Supports disciplined inspection and quality requirements.
Positive customer feedback and trusted service.
Share your drawing, material, quantity, and tolerance requirements. Our team will review your project and respond with the next steps.
For immediate assistance, feel free to give us a direct call at +1 510-483-0541. You can also send us a quick email at info@marseng.com.
For immediate assistance, feel free to give us a direct call at +1 510-483-0541. You can also send us a quick email at info@marseng.com.