AS9100D Aerospace CNC Machining — Inconel 718 & Titanium

Zero‑defect aerospace parts in the alloys that challenge everyone else.

AS9100D • ITAR‑registered • 99.7% First‑Pass • 99.2% On‑Time

Request an RFQ View AS9100D Certificate (PDF)

Why H&H for Flight-Critical Superalloys

Owner’s Note

“Machining Inconel 718 isn’t just about having the right machine—it’s about a thousand small decisions from the fixture to the toolpath. We’ve spent years perfecting that process so our clients don’t have to worry about it.”

— Miguel Ramirez, Owner & President

H&H Machining Center builds to print for aerospace, defense, and space programs that cannot miss. Our Santa Clarita, CA facility combines 3–5‑axis milling with 2–6‑axis turning / mill‑turn to hit ±0.0005″ typical (down to ±0.000.0002″ on qualifying features) with full material traceability, AS9102 FAI, and SPC. We are ITAR‑registered for export‑controlled technical data and maintain secure handling throughout the job lifecycle.

Core metrics: 99.7% first‑pass inspection • 99.2% on‑time delivery (multi‑year performance)

Capabilities at a Glance

Turning & Mill-Turn: Up to 6 axes with live tooling, Y-axis, and sub-spindle for complete parts in a single setup with tight datum control. Our Doosan PUMA 2600SY II CNC machines deliver stable throughput in Incon💈 Milling (3–5 Axes): 3‑ to 5‑axis CNC milling; complex surfacing and contouring; probing for datum retention.

📏 Typical Tolerances: ±0.0005″ across datums; down to ±0.0002″ on select features.

✨ Surface Finish: 16‑32 µin Ra typical on critical faces.

📦 Lot Sizes: Prototype to production (Kanban, blanket orders, dock‑to‑stock).

🗂️ Docs: AS9102 FAI, FAIR packages, PPAP level on request, full CoC & heat lot traceability.

Inconel 718 Machining — Our Specialty

Why it’s hard: precipitation‑hardened Ni‑Cr superalloy with severe work‑hardening, low thermal conductivity, and high shear strength.

How we solve it: Application‑specific toolpaths to minimize radial engagement and heat input. Rigid workholding and balanced fixtures for thin‑wall and bushing geometries. High‑pressure coolant, chip evacuation, and monitored tool wear strategies. Qualified cutters, edge prep, and adaptive feeds to extend tool life.

Representative Inconel 718 components: flanges, ring gimbals, rod ends, body links, clevis hardware, and engine‑interface features.

Result: stable cycle times, predictable surface integrity, and repeatable first‑pass acceptance on serial lots.

Materials We Run (Aerospace‑Grade)

Superalloys & High‑Temp

• Inconel 718 — Bar: AMS 5662; Plate: AMS 5596
• Inconel 625 — Bar: AMS 5666; Plate: AMS 5599
• Hastelloy X — AMS 5536, AMS 5754
• Waspaloy — AMS 5704, AMS 5708

Titanium Alloys

• Ti‑6Al‑4V (Grade 5) — Bar: AMS 4928; Plate: AMS 4911
• CP Titanium (Grades 2–4) — AMS 4902, AMS 4900, AMS 4901

Stainless / PH Steels

• 17‑4 PH — Bar: AMS 5643; Plate: AMS 5604
• 15‑5 PH — Bar: AMS 5659; Plate: AMS 5862
• 13‑8 PH — Bar: AMS 5629; Plate: AMS 5864
• 316L Stainless — AMS 5507, AMS 5653

Aluminum Alloys

• 7075 — Plate: AMS 4078 (T7351); AMS 4045 (T6/T651)
• 6061 — Plate: AMS 4027; Bar: AMS 4117
• 2024 — AMS 4037 (T3)

Material Traceability — End to End: Material certs and heat lots are maintained from receiving through in-process and final inspection. Full chain of custody per AS9100D. Mill test reports (MTRs) included with every shipment. Heat lot segregation throughout production. DFARS and RoHS compliance available.

Typical Aerospace & Defense Programs

• Flight‑critical bushings and close‑tolerance sleeves (Inconel 718, 17‑4)
• Structural brackets, hinge/clevis hardware, housings, and covers
• Valve bodies, seats, pistons, and high‑pressure fittings
• Engine‑adjacent hardware and high‑temp fastener components
• Landing gear components and actuator assemblies
• Missile guidance system components (ITAR)
• UAV/drone structural parts

Quality & Compliance

• AS9100D + ISO 9001:2015 quality management
• Inspection: CMM with full dimensional reports; in‑process probing; calibrated gaging
• FAI: AS9102 FAIRs; ballooned drawings; key‑characteristic control
• SPC & PFMEA: Statistical monitoring on repeat jobs; risk‑based planning
• Traceability: Mill certs, heat lots, and process certs attached to each shipment
• Special Processes: NADCAP‑approved vendors for heat treat, NDT, coatings, passivation

ITAR & Secure Data Handling

• ITAR‑registered; U.S. persons handle export‑controlled data
• Secure handling of prints/models and production records
• NDA and encrypted file transfer available
• NIST 800-171 compliant cybersecurity

Southern California Aerospace Corridor Advantages

Based in Santa Clarita, CA, we support programs across Los Angeles County and the Antelope Valley/South Bay aerospace hubs. Same‑day pickup and courier options for Palmdale (Plant 42), Burbank (Lockheed), El Segundo (Boeing), Redondo Beach (Northrop Grumman), and Edwards AFB. On‑site engineering reviews available by appointment.

How We Work (Engagement Model)

1. RFQ & NDA: Send prints/models (STEP, SLDPRT, IGES, PDF)
2. DFM Review: Risk, tolerances, datum scheme, and process plan
3. Quote: Fixed or T&M as appropriate; schedule commitment
4. Pilot/FAI: AS9102 FAIR with supporting certs
5. Production: Lot control, SPC where value‑add; Kanban/dock‑to‑stock available
6. Delivery: CoC, FAIR/inspection reports, and complete cert pack

Ready to start? Request an RFQ | (661) 294‑8888 | 29170 Avenue Penn, Valencia, CA 91355 | Parts Gallery

Disclaimer — Design Responsibility

We are a build‑to‑print manufacturer. We do not assume responsibility for product design. Any DFM feedback is provided solely to improve manufacturability; final design decisions and approvals remain the customer’s responsibility.

Frequently Asked Questions

Do you machine Inconel 718?
Yes—Inconel 718 is a house specialty. We maintain proven tool libraries, coolant strategies, and fixtures to achieve first‑pass acceptance with predictable cycle times.

What tolerances do you hold?
Typical production tolerance is ±0.0005″ across primary datums; we can achieve ±0.0002″ on qualifying features depending on geometry, stability, and inspection method.

Can you provide AS9102 FAIRs?
Yes. We deliver ballooned drawings, full dimensional results, and complete documentation as required.

Are you ITAR certified?
There is no ITAR “certification.” We are ITAR‑registered and handle export‑controlled data under our documented compliance program.

Do you design parts?
We are a build‑to‑print manufacturer. We provide DFM feedback but do not assume design authority.