HTI's precision stamping facility in Plymouth, MN is a world leading manufacturer of complex, precision stamped components.  Our 20 high speed presses utilizing progressive dies, enable high volume, low cost production of over 25 million precision stamped components per week.  With over 30 years of stamping manufacturing experience for the hard disk drive industry, HTI's stamping capability provides a unique combination of precision, quality, & cost that can benefit medical, defense, industrial, telecommunications, and many other industries.

Stamping & toolmaking capabilities to produce small, complex, thin metal stampings with precision tolerances in high volume Over 100,000 sq ft of contamination controlled manufacturing & inspection space Location:  Plymouth, MN State of the art, rigorously maintained equipment 13 - 60 ton Bruderer stamping presses capable of 1000 strokes / minute 7 - 10 ton presses capable of 300 strokes / minute On-site world class toolroom
Leading Edge Capabilities
Progressive stamping dies for piece part or coil processing of various metal alloys from 0.076 mm (0.003 in) thick Finished critical feature tolerances to ± 0.008mm (±0.0003 in) at min 1.5 Cpk Position to 0.025mm (0.001 in) Shape to ±0.006 mm (±0.0002 in) Flatness to 0.01 mm (0.0004 in)
Post Stamp Processing
Variable G-force mechanical/abrasive tumble deburr Proprietary electrochemical metal finishing Proprietary batch chemical metal finishing Ultrasonic DI & IPA cleaning Mircoprocessor controlled continuous flow heat treat (bright annealing) ovens
World Class Tooling Fabrication
14,000 sq ft on-site toolroom Fully equiped with precision grinders, mills, spinners, lathes, heat treat oven and specialty processes (WEDM, CNC Jig Grind, CNC Surface Grind) Class A toolmakers with > 20 years avg experience Extensive experience with tungsten carbide and tool steels Die component assembly tolerances to 5µm (0.0002 in) with moving components timed to 1.3µm (50 µin)
Quality & Inspection
On-line data acquisition for statistical process control and monitoring Environmentally controlled precision inspection lab capable of validating complex requirements to sub 1µm (40µin) accuracy High accuracy production measurement capability (View Pinnacle, Laser mics, Wyko white light inferometry, Instron hardness testing) Extensive electronic data collection, warehousing, and retrieval systems