
Turned and Milled Components
- Net-shape reduces machining ops
- 97% material utilization rate
- Multi-level complex geometries












ISO 9001:2015
ANAB Accredited
Sterling Sintered Technologies manufactures precision tapered spindles through advanced powder metallurgy for high-load machining applications. Our net-shape components deliver superior dimensional accuracy, reduced machining operations, and exceptional strength-to-weight ratios. Engineered from ferrous, stainless steel, and specialty alloys, our tapered spindles serve demanding applications across medical, firearms, power tools, and industrial equipment manufacturing with densities up to 16.4 g/cc.
Talk to our experts for custom solutions and tailored guidance.
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Densities range from 5.8 g/cc for carbon steel to 16.4 g/cc for heavy hybrid alloys, with ferrous and stainless steel options up to 7.4 g/cc.
Talk to our experts for custom solutions and tailored guidance.

Precision tapered spindles for surgical instruments and medical equipment requiring FDA-compliant materials and NIST-traceable quality.

ITAR-registered manufacturing of high-strength tapered spindle components for firearms mechanisms and defense applications.

High-load tapered spindles engineered for power tool transmissions, offering superior wear resistance and dimensional stability.

Heavy-duty tapered spindles for lock hardware, plumbing systems, and industrial equipment requiring complex geometries and tight tolerances.
Talk to our experts for custom solutions and tailored guidance.
Multi-level compacting presses deliver complex tapered geometries with tight tolerances, eliminating costly secondary machining while maintaining dimensional accuracy for critical high-load applications.
Nearly 70 years of powder metallurgy expertise backed by certified quality management systems, NIST-traceable calibration, and statistical process controls ensuring consistent spindle performance.
Advanced alloy formulations achieving densities up to 16.4 g/cc with heat treatment capabilities, delivering superior wear resistance and load-bearing capacity for demanding machining environments.
Submit your specifications and our engineering team will respond within 24 hours with technical recommendations and competitive pricing for your high-load machining needs.
For immediate assistance, feel free to give us a direct call at (860) 379-2753 You can also send us a quick email at sales@sterlingsintered.com
For immediate assistance, feel free to give us a direct call at (860) 379-2753 You can also send us a quick email at sales@sterlingsintered.com