CNC Machining for the Automotive Industry in Mexico
Instant quoting. IATF 16949 certified network. Tier 1 and Tier 2 parts from a single piece to serial production, with tolerances from ±0.005 mm and full PPAP support.
Radii is the primary provider of automotive machining in Mexico: a platform that connects you with an audited network of 200+ manufacturing partners certified to IATF 16949 and ISO 9001:2015, with full PPAP capability. Quote in minutes, not days.
IATF 16949
Tier 1 / Tier 2
PPAP Level 5
Cpk ≥ 1.33
CERTIFICATIONS
Certifications & Quality Control
IATF 16949 — Global Automotive Standard
Automotive machining through Radii is executed by manufacturing partners with active IATF 16949 certification. Ensures documented processes, statistical process control (SPC), and full lot traceability on every part delivered.
ISO 9001:2015 — Quality Management System
Quality management system verified at every partner in the network. Continuous improvement policies, internal audits, and documented management review of performance and non-conformities.
Radii 50-Point Audit
Every manufacturing partner passes a 50-point audit before receiving a single order. We evaluate technical capacity, metrology, traceability, financial health, and delivery performance. Annual re-audit required.
PPAP · APQP · SPC · MSA · FAI
Full documentation per part: control plan, FMEA, run-at-rate, process capability (Cpk ≥ 1.33), Gage R&R studies, PSW, and first article inspection. PPAP levels 1 through 5 per customer requirement.
CAPABILITIES
Automotive Capabilities
CNC Milling (3, 4, and 5-axis)
Complex geometries in a single setup for engine, transmission components, and line fixtures. Optimizes precision and reduces setup time.
CNC Turning
Shafts, bushings, and turned parts with critical concentricity and mirror finishes. Multi-task centers with live tooling for serial production.
EDM (Electrical Discharge Machining)
Fine cavities, internal keyways, and geometries impossible to mill on hardened tool-grade steels. Ultra-precise tolerances guaranteed.
Injection Molding
Presses from 50 to 1,100 tons with T0 to T2 mold validation. Automotive engineering polymers and compounds reinforced with glass or carbon fiber.
Sheet Metal
Laser cutting, punching, CNC bending, and MIG/TIG/robotic welding for body-in-white prototypes, structural brackets, and automotive supports.
Metrology & Surface Finishes
CMM verification on every lot with GD&T dimensional report. Finishes from Ra 0.8 — anodizing, phosphating, electroless nickel, and passivation.
MATERIALS
Automotive-Qualified Materials
Steel 1018 / 1045
High machinability, medium hardness, structural strength.
Applications: Shafts, pins, suspension brackets.
Steel 4140 / 4340
High fatigue and impact resistance after quenching and tempering.
Thermal and chemical resistance, low friction coefficient.
Applications: Bushings, seals, under-hood parts.
QUALITY PROCESSES
Automotive Quality Processes
PPAP — Production Part Approval Process
We deliver full PPAP levels 1 through 5: control plan, FMEA, dimensional report, process capability, MSA, PSW, and signed initial samples. Format adapted to the customer.
APQP — Advanced Product Quality Planning
We accompany all 5 APQP phases: planning, product design, process design, validation, and launch. An account engineer coordinates deliverables with your quality team.
SPC — Statistical Process Control
X̄-R and p control charts per critical characteristic. Target Cpk ≥ 1.33 on dimensions with FMEA severity ≥ 7. Periodic reports to the customer during serial production.
MSA — Measurement Systems Analysis
Gage R&R studies on masters and instruments before first lot. Calibration traceability with valid ILAC / EMA certificates on every measurement device.
FAI — First Article Inspection
100% inspection of the first part with dimensional report, GD&T, and ballooned drawing. Digital sign-off from partner and Radii before releasing the lot to production.
Full Lot Traceability
Lot number, heat, operator, and shift recorded per part. Full audit trail available for the entire life of the automotive program.
APPLICATIONS
Automotive Applications
Engine & Transmission Components
Housings, covers, flanges, bushings, and turbo casings in aluminum and heat-treated steels. Critical positional tolerances verified with CMM.
Suspension & Chassis Parts
Mounts, tie rods, control arms, and studs in 4140/4340 steel with tempering, anti-corrosion finishes, and destructive testing for validation.
Tooling & Line Fixtures
Gages, jigs, poka-yoke, and line check fixtures. Rapid build with DFM optimized for direct shop-floor validation.
Functional Prototypes
From a single piece in production material, ready for test bench. Process identical to serial production to avoid surprises during final validation.
Replacement & Line-Down Parts
Urgent parts with expedited flow, quoting in minutes, and prioritized production to prevent costly line stoppages at your plant.
E-Mobility (EV)
Battery pack housings, cold plates, high-current connectors, and thermally-toleranced module structures. Material and finish per OEM specification.
COMPARISON
Radii vs. Traditional Shop
Quoting in minutes, not days
Upload your CAD and receive price and lead time automatically. Traditional shops take 3 to 5 days to return quotes via email.
Automatic comparison across partners
Radii compares your part across multiple certified shops and picks the one that best fits price, lead time, and certifications. No one-by-one re-quoting.
FeasibilityAI flags risk before production
Automatic manufacturability analysis on your CAD: detects problematic geometries, impossible tolerances, and incompatible finishes before cutting any material.
One contact, multiple capabilities
CNC, EDM, injection molding, and sheet metal with a single account engineer. Avoid managing five different suppliers per automotive program.
Dimensional reports included
CMM verification and GD&T dimensional report included with every order. Traditional shops charge separately and usually offer it as optional.
Scalable prototype to production
Same flow from 1 piece to serial production. No re-quoting every time volume increases and no switching suppliers when moving to serial.
FAQ
Frequently Asked Questions
Is Radii IATF 16949 certified?
Automotive machining delivered through Radii is executed by manufacturing partners with active IATF 16949 certification. This guarantees documented processes, statistical process control (SPC), full lot traceability, and the ability to deliver Tier 1 and Tier 2 parts to OEMs.
What tolerances do you hold for automotive parts?
Tolerances from ±0.005 mm on 5-axis CNC milling and turning, with CMM (coordinate measuring machine) dimensional verification on every lot. Surface finishes from Ra 0.8. Tighter tolerances are evaluated case by case during quoting.
Can you deliver full PPAP (levels 1 through 5)?
Yes. We deliver PPAP up to level 5 including control plan, FMEA, full dimensional, capability studies (Cpk ≥ 1.33), MSA, PSW, and initial samples. The package adapts to the customer requirement and characteristic severity.
What is the minimum order volume?
From a single piece for prototypes and validation, up to serial production. No hard minimums — we quote prototype, pre-series, and production in the same flow so you can validate geometry before committing to tooling.
How long does it take to get a quote for an automotive part?
Minutes. Upload your CAD file (STEP, IGES, X_T) and receive price, lead time, and automatic DFM analysis. Parts requiring manual review for critical geometry are quoted by an engineer within 24 hours.
Which materials do you offer for automotive applications?
Steels 1018, 1045, 4140, and 4340; stainless 304 and 316; aluminums 6061 and 7075; engineering plastics PA, PP, ABS, and PEEK; plus heat-treated tool steels. Every partner documents material certificate and heat treatment for traceability.
Do you support APQP and control plans during development?
Yes. We support the five APQP phases — planning, product design, process design, validation, and launch — with control plan, FMEA, and run-at-rate. An account engineer coordinates documentation with your quality team.
GET STARTED
Upload your CAD file and get an instant quote
Price, lead time, and automatic DFM analysis for your automotive part — in minutes, not days.