304 Bright Round Bar

Cold-drawn bright bar with precise diameter tolerance.

Our 304 bright round bars are centerless ground or cold-drawn to achieve tight diameter tolerance and an attractive polished surface. Used for shafts, pins, fasteners, valve stems, pump rods and precision machining components across automotive and machinery sectors.

Products

Shafts & axlesFastenersValve stemsPrecision machined parts

Technical Specifications

DiameterØ 3 – 120 mm
LengthUp to 6000 mm (cut-to-length)
HardnessHV 180–240 (drawn) / HB ≤ 187 (annealed)
Thickness Toleranceh11 (ground), h12 (drawn)
Mechanical PropertiesT.S. ≥ 515 MPa · Y.S. ≥ 205 MPa
SurfaceBright polished (Ra ≤0.8 μm), Peeled, Turned
CertificateEN 10204 3.1 MTC · ISO 9001:2015 · ASTM A276
Every order ships with an EN 10204 3.1 Mill Test Certificate — chemistry and mechanical values verified.