Our

Production

Holzer Production

your manufacturing partner
with more than 25 years
experience

Our customers across all sectors—including industry, automotive, aerospace, and medical technology—rely on our extensive experience and expertise. You, too, can benefit from our precision, flexibility, and commitment to quality. Using state-of-the-art machinery, we manufacture even the most complex components to the highest standards. Whether it’s a single part or a small- to medium-volume production run, we deliver consistently precise results every time.

Holzer

Know how

Precise

Machining

CNC Milling

  • Machines: 10 x 5-axis milling machines
  • Max. component dimensions: 1,000 x 800 x 1,100 mm
  • Tolerances: from +/- 0.005 mm
  • Batch sizes: starting at 1 piece

CNC Turning

  • Machines: 3 lathes
  • Max. clamping diameter: Ø 5 mm–Ø 280 mm
  • Workpiece processing length: up to 1,000 mm center-to-center distance

Erosion

  • Processes: Wire EDM and Die-sinking EDM
  • Max. part dimensions: 500 x 400 x 400 mm
  • minimum roughness: Ra 0.5 µm

Materials

Titanium

Inconel

Stainless steel

Steel

Aluminium

Plastic

Our

Additional services

Heat treatment

  • Case hardening
  • Nitriding
  • Induction hardening
  • Stress-relief annealing
  • Heat Treatment
  • Normalize

Parts Manufacturing - Composite Materials

  • CFRP: Carbon fiber-reinforced plastic
  • NFK: Natural Fiber Plastics
  • the entire production process, from start to finish
  • extensive development expertise derived from motorsports
  • production-ready design
  • Manufacturing via our professional partner network
  • all common manufacturing processes
  • Post-processing and quality control

Surface treatment

  • Anodizing (protective and decorative)
  • Chrome plating
  • electrolytic nickel plating
  • Blackening
  • Galvanizing
  • Plastic metallization up to 150 µm

Your partner for

Welding

Automotive & Mechanical Engineering

Welded assemblies

TIG welding

MAG welding

Spot welding

Range of Services

  • Full-service:
    • raw part
    • Preprocessing
    • Welding process
    • CNC finishing
    • Laser engraving
    • Assembly
    • Quality Control
  • specializes in vehicle and chassis components
  • Aluminum and steel, wall thickness 1 to 4 mm
  • Position tolerance of up to 0.3 mm

Features

  • Metalworking shop with 7 welding stations
  • 5 Sigmund hole-welding tables
  • 360° rotatable workpiece holders
  • Manufacturing custom workholding fixtures while accounting for welding distortion
  • Machinery and workshop equipment:
    • Shears (aluminum/steel)
    • Segmental bending machine
    • conventional lathe and milling machine
    • Round bending machine
    • 100-ton hydraulic press
    • Sandblasting machine for parts measuring 100 x 70 x 90 mm

Bodywork &

Security cells / Roll cages

DMSB-Certified

FIA-Certified

ISO 9001:2015

Range of Services

  • Efficient processes optimized for small-batch production
  • many years of experience in motorsports
  • Project support throughout the design process
  • Purchasing and Procurement
  • In-house tooling, equipment, and mold manufacturing
  • CAM-based CNC machining for the production of complex components
  • Complete manufacturing in accordance with high quality standards
  • TIG/MAG welding performed by certified professionals
  • Preparation of measurement and acceptance reports

Features

  • 3 x 5 x 3 m staging platforms
  • Platforms can be combined for large-volume vehicles
  • High-precision welding tables and assembly towers
  • wide selection of clamping devices
  • TIG and MIG welding stations
  • separate grinding rooms
  • EXTEND3D Laser Projector for single-unit and prototype manufacturing without stencils
  • modern measurement technology, e.g., Faro measuring arm

Manufacturing

  • Manufacturing based on 3D data
  • in-house fixture manufacturing
  • Expertise in complex structures and tight tolerances
  • Modification of production chassis
    • Trimming of production parts
    • Welding in stiffeners
  • Tubular frame chassis
    • Complete manufacturing
    • mechanical finishing
  • Security cells / Roll cages
    • DMSB-certified manufacturing
  • Assembly instructions
  • Test reports and final acceptance tests

Quality-

Assurance

Highest precision

Measuring instruments

& Features

Temperature-controlled measurement room. Our highly qualified technical staff carry out release measurements for production, in-process inspections, and final inspections. We provide detailed test documentation tailored to each customer’s individual requirements.

Measuring machines

CNC coordinate measuring machine with gantry design

  • Measuring machine 1
    • Measuring range: 650 x 1,200 x 500 mm
    • Measurement tolerance: 1.5 µm
  • Measuring machine 2
    • Measuring range: 1,000 x 2,000 x 800 mm
    • Measurement tolerance: 2.5 µm

-> both: tactile measurement using single-point measurement and scanning

  • 2D contour measuring machine, 250 x 320 mm
  • Measuring arm with 3D scanning attachment
  • Digital height gauge (measuring range: 600 mm)
  • Magnetic particle inspection
  • portable roughness measuring device
  • Various hand-held measuring instruments, even for the tightest tolerances