Precision Machining Since 1990

H&I Manufacturing is a precision machine and job shop located in Westbury, NY. We have been serving the aerospace, defense, automotive, medical and electronics industries for over 25 years.

Using state-of-the-art equipment, our specialties include CNC milling, turning and honing, as well as sheet metal fabrication. We work with a variety of materials, including titanium, 17-4 PH, 15-5 PH and 440C stainless steel, and many other ferrous and non-ferrous materials, including plastics. Our company has both ISO 9001:2015 quality management certification and AS9100D aerospace certification.

H&I is also experienced in working with outside vendors to perform necessary processing and testing such as heat treating, magnetic particle inspection, penetrant inspection, anodization and passivation, among other processes.

H&I is a division of Spectronics Corporation, a company founded in 1955 that is now one of the largest manufacturing firms on Long Island.

Our goal is to provide our customers with quality products at competitive prices and punctual delivery times. Our modern inspection department ensures quality parts with total traceability for all manufactured pieces.

CNC Milling

The equipment we use at H&I is certainly state-of-the-art. Upgrading our CNC milling department to the latest technologies is an ongoing process.

CNC Turning

Capable of fabricating components measuring 0.050″ – 3.5″ in diameter and .050″ – 12″ in length, with tolerances as precise as ±0.0001″. We work with aluminum, brass, copper, titanium, and many types of steel, including the more difficult-to-machine hardened alloys. Our machining processes include OD turning and forming, internal and external threading, as well as part face, end, and cross-diameter work.

Sheet Metal Fabrication

Our facility works with a full range of materials including aluminum (sheet stock and extrusions), cold rolled/galvanized and stainless steel, copper and fiberboard. Our expertise resides in CNC, punching, brake forming, saw and laser cutting, drilling and tapping, line-graining, welding (MIG, TIG and Spot), milling (3- and 4-axis) and hardware insertion. We use an environmentally friendly, closed-loop system for chemical filming. Our capabilities include clear and gold iridite, passivation, anodization and plating.

Our Mission

Spectronics Corporation’s mission is to achieve customer satisfaction through excellence in design and manufacturing. By fostering a corporate culture that attracts and retains creative, talented and energetic employees, we maximize our ability to provide innovative and cutting-edge technologies to our global customer base.

General Inquiries

H&I Manufacturing
Div. of Spectronics Corporation

956 Brush Hollow Road
Westbury, NY 11590

Phone:: 516-408-7550
Toll Free:: 1-844-253-7866
Fax: 516-333-5580
Toll Free Fax: 1-844-755-3429