Technology / product information

Precision CNC Milling of SUS303 Stainless Steel

Precision CNC Milling Capabilities for Mechanical Components

Anttek Vietnam specializes in precision CNC milling of mechanical components, particularly for parts with complex geometries, tight tolerances, and high surface appearance requirements.

Typical Product
CNC milled components made of SUS303 stainless steel

Applied Standards and Technical Requirements

Material: SUS303

Machining method: CNC milling

Machining tolerance: JIS B0405 – medium grade

Chamfer: C0.2–C0.3

Post-processing: Alcohol cleaning after machining

Contamination control: No adhesion of copper (Cu) or zinc (Zn)

Precision Machining Capabilities of Anttek Vietnam

Machining expertise: Specialized in CNC milling and CNC turning of complex-shaped components, ensuring high precision and excellent repeatability

Machinery system:

15 CNC milling machines (accuracy up to ±0.008 mm)

7 CNC turning machines (accuracy up to ±0.05 mm)
Supporting prototype, single-piece, and batch production

Materials processed:
Aluminum (A5052, A6061, A6063, A7075, etc.)
Steel (S45C, SS400, S35C, etc.)
Stainless steel (SUS303, SUS304, SUS316)
Copper and engineering plastics (POM, MC nylon, PP, bakelite)

Quality management: ISO 9001 certified, with 100% inspection applied across IQC, PQC, and OQC stages

Inspection equipment: Automatic Keyence 2D measuring systems, Mitutoyo 3D CMM, and calibrated precision gauges (pin gauges, go/no-go gauges, feeler gauges), calibrated every 1–2 years depending on equipment

Reliable and Stable CNC Milling Solutions for SUS303

With strong expertise in SUS303 CNC milling in compliance with JIS standards, flexible production capability, and strict quality control, Anttek Vietnam is a trusted precision machining partner for both domestic and international customers.
We are committed to delivering stable quality, full technical compliance, and on-time delivery for every project.