Engineering
Precision at
Every Tolerance.
Delta Machine & Tool Co. is an AS9100-certified Tier-1 CNC machining and assembly partner for the world's most demanding aerospace, defense, and industrial OEMs. Over 50 years of precision. Zero compromise.
Machining Capabilities
Built for Critical Applications
From single prototypes to high-volume production runs, Delta delivers precision-machined components and assemblies that meet the strictest aerospace and defense specifications.
CNC Milling
3 & 4 axis precision milling of complex geometries in aluminum, titanium, stainless, and exotic alloys. Tolerances to ±0.0005".
Learn MoreCNC Turning & Turn-Mill
Multi-axis CNC turning with live tooling. Twin-spindle platforms for complex turned components and reduced setups.
Learn MoreMulti-Axis Machining
Simultaneous 5-axis capability eliminates setups, improves accuracy, and produces complex contoured surfaces for structural and aero components.
Learn MoreAssembly Services
Complete sub-assembly and final assembly solutions with full supply chain management — delivering a ready-to-install product to your dock.
Learn MoreEDM / Wire EDM
Electrical discharge machining for intricate cuts in hardened materials where conventional machining is not feasible. Exceptional finish and tolerances.
Learn MoreInspection & Quality
AS9100-certified quality management with full inspection, FAIR documentation, ballooned drawings, and PPAP packages to customer requirements.
Learn MoreA Partner You Can
Count On
Delta isn't just a job shop. We're a long-term manufacturing partner — embedded in your supply chain and accountable to your schedule and quality standards.
About DeltaAS9100 Rev D Certified
Aerospace-grade quality systems govern every stage — from order entry through final inspection and delivery. Zero shortcuts.
50+ Years of Experience
Founded in 1975, our institutional knowledge of precision machining means better outcomes for your most challenging programs.
Tier-1 Supply Chain
We act as your single-source partner — managing material procurement, secondary operations, and on-time delivery to your floor.
Award-Winning Performance
Recognized with a Performance Excellence Award from a leading Aerospace & Defense OEM for sustained quality and delivery.
Advanced CNC Technology
Continuous capital investment in advanced CNC platforms including multi-axis turn-mill centers and high-speed machining.
Engineering Support
DFM review on every new program. We collaborate with your engineering team to optimize designs for cost and manufacturability.
Engineering for the
World's Most Demanding Sectors
Delta's precision machining expertise spans industries where tolerances are measured in ten-thousandths and failure is not an option.
Zero-Defect
Culture
Our AS9100 Rev D quality management system is the backbone of every program. From design review through final inspection, quality is engineered in — not inspected in.
- AS9100 Rev D quality management system
- First Article Inspection Reports (FAIR / AS9102)
- PPAP documentation & certification of conformance
- Performance Excellence Award recipient — Aerospace OEM
A Half Century of
Precision Partnership
Delta Machine & Tool Co., Inc. was founded in 1975 with a singular focus: to manufacture precision-machined components that perform without question in the world's most demanding applications. Today we are a trusted Tier-1 supplier to leading aerospace and defense OEMs, operating from our West Chester, Pennsylvania facility.
Our AS9100 Rev D certification, continuous investment in advanced CNC technology, and culture of accountability have made Delta a partner — not just a vendor — to the customers we serve.
- 50+ years of CNC precision machining expertise
- AS9100 Rev D certified quality management system
- Tier-1 supplier to major aerospace & defense OEMs
- Continuous investment in advanced CNC technology
From RFQ to
Delivered Part
Our production workflow is built for on-time delivery, conformance, and full traceability — from the moment we receive your print to the moment your parts arrive at your dock.
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Step 01
RFQ & DFM Engineering Review
Submit your drawings. Our engineering team performs a full Design for Manufacturability review and responds with a detailed, competitive quote within 24–48 hours.
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Step 02
Material Procurement & Planning
We source certified raw materials from approved suppliers, plan tooling and fixturing, and schedule production against your delivery date.
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Step 03
Precision CNC Machining
Parts are produced on advanced CNC platforms with in-process inspection at critical dimensions to maintain conformance throughout the run.
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Step 04
Secondary Operations & Finishing
We coordinate anodizing, plating, heat treatment, welding, and other secondary processes through our vetted supplier network — managed under our AS9100 system.
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Step 05
Final Inspection & Documentation
100% final inspection with ballooned drawings, FAIR as required, certificates of conformance, and full material traceability.
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Step 06
On-Time Delivery
Parts are packaged to your requirements and delivered to your facility. We can provide delivery tracking upon request.
Let's Machine
Your Next Part.
Upload your drawings and specifications. Our engineering team will review and respond with a detailed, competitive quote.