# Frank Roth Co., Inc.

This MFR.ID profile was supplied, reviewed, and approved by Frank Roth Co., Inc.. Originally approved on 8/8/2025; last updated 8/8/2025. Capability data is manufacturer-approved for public sourcing and RFQ use.

## Profile Links

- Canonical profile: https://mfr.io/frankroth
- JSON data: https://mfr.io/frankroth.json

## Company Overview

Frank Roth Co., Inc. is a precision manufacturer based in Stratford, Fairfield County, Connecticut delivering multi-axis CNC turning, milling and certified welding of alloy steels and exotic metals. Operating under AS9100 D, ISO 9001:2015, ITAR registration and NAVSEA welding qualification, the company supplies tight-tolerance flight-critical hardware, weapons-grade components and rugged industrial parts. A 15,000 sq ft climate-controlled plant houses 5-axis mill-turn centers, sub-spindle lathes, robotic weld cells and Zeiss CMMs supported by mechanical- and electrical-engineer staff. Lean disciplines, real-time SPC and in-process inspection ensure <0.8 Cpk drift while maintaining responsive lead times for prototype through medium-volume production.

## Quick Reference

- Processes: CNC Machining, Engineering & Design Services, Inventory Management & Logistics, Inspection & Quality Control, Metal Fabrication & Welding
- Lead Time: 2-4 Weeks
- Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts)
- Location: Stratford, Connecticut 06615
- Employees: 20-30
- Revenue: $4.3M-$6M
- Founded: 1934
- Contact: info@frankroth.com - +1 203-377-2155
- Verified: Manufacturer Approved

## Capabilities

### Advanced Multi-Axis CNC Machining

Integrated 3-, 4- & 5-axis mills, twin-spindle mill-turns and Swiss-type lathes allow Frank Roth to complete complex parts in one handling. In-cycle probing, SPC feedback and AS9100-driven workflows hold ±5 µm positional accuracy, while post-machining honing and burnishing push surface finishes to Ra 0.2 µm. Lights-out automation scales from prototypes to 50 k-piece runs for aerospace, defense and precision industrial programs.

- Process: CNC Machining
- Highlights: One-and-done machining up to 11 axes (Ø32 mm bar to Ø300 mm chuck work), 4-axis HMC pallet system & 5-axis Genos M560V for simultaneous contouring, Positional accuracy ±0.005 mm verified by CMM/Optiv multi-sensor metrology, Surface finish ≤ Ra 0.2 µm via in-process roller burnishing & honing, AS9100D, NAVSEA & ITAR compliant cell with real-time SPC capture
- Subprocesses: Swiss-Type CNC Turning, CNC Turning, 3-Axis Vertical Machining, 4-Axis CNC Milling (Indexing), Simultaneous 5-Axis Machining, Casting Finish Machining, Honing, Roller Burnishing
- Specifications:
  - Spindle Speed Range: 0-15000 rpm - High-speed milling on Genos VMC; Swiss lathes to 12 k rpm for micro-parts.
  - Positional Accuracy: 0.005 mm - Machine spec confirmed through on-board probing and CMM correlation.
  - Hole Diameter Range: 0.5-120 mm - Drilling, reaming and boring across mill-turn and VMC platforms.
  - Bar Capacity (Swiss): 32 mm - Citizen L20 & M32 machines feed Ø32 mm bar for high-volume small parts.
  - Surface Finish Capability: Up to 0.2 µm - After honing/burnishing; standard milled finish held to ≤0.8 µm Ra.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Lights-out machining, bar feeders and pallet changers enable unattended runs.
  - Maximum Work Envelope: 800L x 1000W x 600H mm - Derived from Okuma MA600HB pallet (630×630 mm) and Genos M560V travel.
  - Typical Dimensional Tolerance: -0.005-0.005 mm - Routine ±5 µm on critical features; tighter achievable per print.
  - Lead Times: {"production":{"max":6,"min":4,"unit":"weeks"},"prototype":{"max":14,"min":7,"unit":"days"}} - Rapid prototyping via in-house tool-room; kanban/VMI programs for repeat orders.
  - Turning Diameter (Max): 300 mm - Okuma LB3000/L370 mill-turn chuck capacity; larger tooling on Harrison Alpha.

### Integrated Engineering & Design Services

Frank Roth’s engineering group drives manufacturability from concept through production, combining CAD / CAM, simulation and SPC to de-risk new designs, compress iteration cycles and establish robust process controls before release. Rapid in-house prototyping, formal DFM reviews and ERP-linked routings ensure every component is optimized for cost, quality and throughput.

- Process: Engineering & Design Services
- Highlights: AS9100-compliant PFMEA, control-plan and ECO workflows, CAD/CAM/FEA-assisted DFM cuts unit cost up to 30 %, Rapid prototype shop delivers inspected parts in < 48 h, Revision-controlled documentation integrated with ERP/MES
- Subprocesses: Revision Control & Process Planning, DFM / DFA Consulting, Prototyping
- Specifications:
  - Supported CAD Formats: SolidWorks (.sldprt/.sldasm), Siemens NX (.prt), CATIA V5 (.CATPart), STEP AP242, Parasolid (.x_t), DXF/DWG - Native 3D models with PMI preferred; 2D drawings accepted for legacy components.
  - Process Capability Index (Cpk): 1.33-2 ratio - Target Cpk > 1.67 on critical-to-quality dimensions; real-time SPC charts provided.
  - Rapid Prototype Lead Time: 2-5 days - Machined aluminum or polymer prototypes produced, inspected and shipped within one business week.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Lights-out machining cells and palletized fixturing enable unattended multi-shift production.
  - Tolerance Analysis Capability: 10 µm - Stack-up analysis and GD&T application support cumulative tolerances to ±0.010 mm for precision assemblies.
  - Typical DFM Feedback Loop Time: 1-3 days - Minor design optimizations returned within 24–72 hours, including annotated models and cost-driver commentary.

### Turnkey Project & Inventory Management

Frank Roth orchestrates end-to-end programmes—from contract kick-off and detailed scheduling through kanban-stocked inventory and outbound logistics—using an ERP-integrated planning suite. This single-point coordination ensures predictable lead-times, high on-time-delivery metrics and transparent communication across the supply chain.

- Process: Inventory Management & Logistics
- Highlights: JobBOSS ERP with real-time bar-code data collection for schedule accuracy, 98 %+ on-time delivery maintained over trailing 24 months, Vendor-managed inventory programmes with JIT release as low as 24 h, Dedicated logistics desk handles export compliance & ITAR paperwork
- Subprocesses: Project Planning Support, Inventory Management & Logistics, ERP-Integrated Production Planning
- Specifications:
  - ERP / MRP Platform: JobBOSS², QuickBooks Manufacturing Edition, E2 Shop System (legacy) - ERP links machining work-centres, QC and shipping for live capacity and WIP tracking.
  - Kanban Lot Size Range: 20-500 parts - Lot sizes tuned per part usage rate and agreed safety-stock levels.
  - On Time Delivery Performance: 98 % - Measured over a rolling 12-month window; excludes customer-requested ship-date changes.
  - Warehouse Footprint: 2500 sq_ft - Racked climate-controlled space dedicated to VMI and buffer stock.
  - Concurrent Active Projects: 1-25 projects - Programme managers utilise gated milestones to keep up to 25 live jobs on track.
  - Lead Time For Stocked Items: 1-2 days - Release-from-stock shipments processed within 24–48 h of pull signal.

### Precision Quality Assurance & Inspection

An AS9100-driven quality system pairs climate-controlled metrology with certified NDT to validate every feature and joint. Hexagon CMMs, multi-sensor vision and NAVSEA-qualified inspectors deliver objective evidence of compliance, backed by fully digital FAIR and traceable material certs.

- Process: Inspection & Quality Control
- Highlights: Hexagon Global 5.5.5 & Optiv multi-sensor CMMs (ISO 10360 verified), ±2 µm volumetric accuracy across 500 × 500 × 500 mm envelope, In-house fluorescent PT & MT; radiography via NADCAP partner, 100 % electronic FAIR / PPAP submission with SPC dashboards
- Subprocesses: 3D Coordinate Measurement, Inspection Reporting, Non-Destructive Testing (NDT)
- Specifications:
  - CMM System Accuracy: 2 µm - ISO 10360-2 volumetric length error (MPE E) verified annually with NIST-traceable artifact.
  - CMM Measurement Envelope: 500L x 500W x 500H mm - Hexagon Global 5.5.5 climate-controlled room; rotary table for 4-axis probing available.
  - NDT Methods Offered: Fluorescent Dye Penetrant (FPI), Magnetic Particle (MPI), Radiographic X-ray (outsourced) - NAVSEA Tech Pub S9074 qualified weld inspectors; radiography via NADCAP-approved partner within 24 h.
  - Inspection Lead Time: 2-5 days - Standard FAIR completed in ≤ 5 days; critical CMM-only dimensional reports in 2 days.

### Certified Welding & Metal Fabrication

AS9100- and NAVSEA-certified weld shop providing certified welding of alloy steels and exotic metals—as well as carbon steels, stainless, aluminum and nickel alloys—via MIG, TIG, laser-beam and spot processes. Integrated plasma/sawing prep, CNC press-brake forming, torch brazing and mechanical assembly create turnkey structures with minimal distortion. Closed-loop fixtures, purged chambers and in-house NDT/leak-test guarantee aerospace and naval integrity, while automated cells scale from prototypes to medium-volume runs.

- Process: Metal Fabrication & Welding
- Highlights: NAVSEA S9074-AR-GB-01/278 qualified welding procedures for critical Navy programs, Pulse-spray MIG, high-frequency TIG and 500 W fiber-laser stations cover 0.5 mm sheet to 19 mm plate, CNC 90-ton press brake forms 2.4 m-wide stainless parts to ±0.25° bend accuracy, Helium leak, hydrostatic & dye-penetrant testing validated in-house for zero-defect assemblies, Bar-code-driven traceability links weld data and CMM reports to each serialised assembly
- Subprocesses: MIG (GMAW) Welding, TIG (GTAW) Welding, Laser Beam Welding (LBW), Spot Welding, Brazing, Sawing, Plasma Cutting, Press Brake Forming, Rolling, Mechanical Assembly & Kitting
- Specifications:
  - Laser Weld Spot Size: Metric: 0.2-0.6 mm - 0.2–0.6 mm beam delivers narrow HAZ seams for precision housings and sensor enclosures.
  - Typical Materials: A36 & 4130 carbon steels, 4140 / 4340 alloy steels, 304L / 316L stainless steels, 6061-T6 & 5083 aluminum, Inconel 625 / 718 - Purged fixtures and pre-heat protocols maintain metallurgical integrity across reactive alloys.
  - Software / Programming: SolidWorks for fixture & tooling design, Autodesk Fusion 360 CAM for plasma pathing, Lincoln Waveform Control for MIG parameter optimisation - Digital programs log weld parameters and link to QA records for full traceability.
  - Primary Equipment: Miller Dynasty 400 TIG welders (AC/DC 400 A), Lincoln PowerWave S350 MIG systems with synergic pulse, IPG YLR-500 fiber-laser welding cell with vision seam tracking, Miller 20 kVA resistance spot-welder, Esab Cutmaster 120 plasma cutter (≤38 mm mild-steel), Hyd-Mech S-20A automatic band saw, Accurpress 8-ft 90-ton CNC press brake, Baileigh R-M40 roll bender, Rotary positioners and argon-purge chambers for aerospace alloys - Fleet mixes manual and automated stations to match part size and alloy while maximising throughput.
  - MIG Weldable Thickness: 0.06-0.75 in (1.5-19 mm) - Pulse-spray transfer supports distortion-free structural welds on medium-gauge assemblies.
  - Torch Brazing Temp Range: Metric: 600-900 °C - Flux-controlled torch brazing joins dissimilar metals without melting base substrate.
  - Press Brake Capacity: 800 kN - Forms 6 mm stainless panels up to 2.4 m long with CNC back-gauge repeatability.
  - Typical Lead Time: 10-25 business days - Standard prototypes ship in 2 weeks; complex assemblies or outside processes extend to 3–4 weeks.
  - Plasma Cutting Thickness: 0.125-1.5 in (3-38 mm) - Automated torch severs plate prior to weld prep, holding ±0.25 mm kerf tolerance.
  - Process Certifications: NAVSEA S9074-AR-GB-01/278 welding, AS9100D / ISO 9001:2015 QMS, AWS D17.1 aerospace fusion welding qualification, ITAR-registered facility (M40160), ATF FFL Type-07 firearm manufacturing licence - Certifications underpin defence-grade quality, material traceability and export-control compliance.
  - Value Added Services: Helium leak & pressure testing (≤20 MPa), Dye-penetrant & radiographic NDT via accredited partners, Electro-mechanical assembly & functional test, Kanban inventory and JIT shipments, Custom Mil-Spec packaging & labelling - End-to-end services cut supplier count and accelerate time-to-launch for flight-critical hardware.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Robotic welding cells support unattended batches while quick-change fixturing speeds prototyping.
  - TIG Weldable Thickness: 0.02-0.5 in (0.5-12 mm) - High-frequency GTAW enables hermetic welds on thin aerospace skins up to 12 mm structural plate.

## Certifications

- AS9100D (Type: Certification; Authority: International Aerospace Quality Group (IAQG); Status: Active; Scope: Manufacture of precision electromechanical components and assemblies, and aerospace sheet-metal parts.; Issue date: 2024-03-06; Expiration date: 2027-03-05; URL: https://www.sae.org/standards/content/as9100d/)
- ISO 9001:2015 (Type: Certification; Authority: International Organization for Standardization (ISO); Status: Active; URL: https://www.iso.org/iso-9001-quality-management.html)
- NAVSEA S9074‑AR‑GB‑01/278 (Type: Certification; Authority: Naval Sea Systems Command (NAVSEA); Status: Active; URL: https://www.navsea.navy.mil/Portals/103/Documents/S9074-AR-GB-01_278.pdf)
- ITAR Registration (Type: Registration; Authority: U.S. Department of State – Directorate of Defense Trade Controls (DDTC); Status: Active; URL: https://www.pmddtc.state.gov)
- Federal Firearms License – Type 07 (Type: License; Authority: U.S. Department of Justice – Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF); Status: Active; URL: https://www.atf.gov/firearms/firearms-guides-importation-verification-firearms-firearms-classification)

## Industries Served

- Aerospace & Defense: Precision-machined flight-control linkages, titanium hard-mount brackets and welded hydraulic manifolds supplied to Tier-1 aerospace and defense OEMs under AS9100 and ITAR compliance.
- General Manufacturing: Multi-axis machined housings, stainless pump shafts and welded structural frames for capital-equipment builders and industrial OEMs requiring ±0.0005 in tolerances and rapid prototype-to-production transition.

## Facilities

### Frank Roth Co., Inc. – Stratford Plant

15,000 sq ft climate-controlled plant (built 1962) housing multi-axis CNC machining, NAVSEA-certified TIG/MIG welding bays, full toolroom, Zeiss CMM inspection lab and dedicated assembly/test benches; located two miles from I-95 and Sikorsky Airport for efficient logistics.

- Type: manufacturing_facility
- Headquarters: Yes
- Phone: +1 203-377-2155
- Address: 1795 Stratford Avenue, Stratford, Connecticut 06615, United States

## Verification Status

- Business Entity: Verified 7/10/2025
- Technical Capabilities: Verified 8/8/2025
- Locations & Facilities: Verified 8/8/2025
- Reviews & Ratings: Not yet verified
- MFR.ID Created: 5/14/2025
- Last Updated: 8/8/2025
