Technology / product information

At YAMAGUCHI VIETNAM, we provide integrated precision lathe machining for small-diameter shaft parts at our Vietnam factory.
[Specifications]
Material: SCM440 (Chromium-Molybdenum Steel)
Dimensions: Diameter 20 mm × Length 52 mm
Machining tolerance: ±0.02 mm

Application:
[Machining Processes]
Outer diameter machining: Precision finishing on CNC lathes to meet dimensional tolerances
External thread cutting: High-precision machining of M-threads and similar on the shaft end
Side threaded hole machining (optional): M4–M6 supported as required
Black oxide coating (outsourced): Anti-rust and improved appearance, handled by trusted partners
Equipment used: CNC lathes by Mori Seiki, Okuma, and Citizen. Maximum machining size: φ450 × 1,000 mm
[Why Choose YAMAGUCHI for Lathe Machining]
Over 240 CNC lathes: Flexible support from small batches to mass production
High precision with ±0.01 mm tolerance: Stable concentricity and roundness control
Complete quality assurance system: In-house CMM (Coordinate Measuring Machine), shape measuring instruments.
ISO 9001:2015 certified: Integrated management of processes, quality, and delivery schedule
Local production at our Vietnam factory: Reduces transportation costs and shortens lead times

If you are looking for high-precision lathe machining of shaft components for overseas procurement, consult YAMAGUCHI VIETNAM.
We offer end-to-end support from prototyping based on provided drawings to mass production, delivering Japanese quality at local prices.