Hexagonal Bar

High Precision Cold Drawn Steel Hexagonal Bar

Material

304310316430101810201045414051205140A36

Tolerance

h9h11+/-0.05mm

Surface Finish

cold_drawn_bright

Minimum Order

1 tons - Contact us for smaller quantities

Specifications

Parameter Details
Product Name Cold Drawn Steel Bar / Cold Drawn Special Shaped Steel Bar
Material / Grade Carbon Steel: A36, 1018, 1020, 1045 Alloy Steel: 4140, 4340, 5120, 5140, 20CrMnTi Stainless Steel: 304, 316, 430, 17-4PH
Standard GB / ASTM A108 / JIS
Shape Round Bar, Square Bar, Flat Bar, Rectangular Bar, Hexagonal Bar, Special Shaped Bar (Customized)
Tolerance ±0.05mm (High Precision)
Surface Finish Bright / Polished/Chromed
Length Standard: 3m ~ 6m Custom Length Available
Sample Free Samples Available (According to Customer Requirements)
Customization Fully Customizable (Special Shapes & Sizes as per Drawings)

Size

Shape Size Range Notes
Round Bar
Diameter: 4mm ~ 400mm
Most common shape
Square Bar
4x4mm ~ 90x90mm
High precision corners
Flat Bar
Thickness: 3~60mm x Width: 4~110mm
Excellent for structural & parts use
Hexagonal Bar
S4mm ~ S101mm
Ideal for fasteners & tools
Special Shaped Bar
Fully Customized
According to customer drawings

Material & Application

Material Key Features Common Applications
A36 / 1018 / 1020 Good weldability, general purpos Construction, machinery parts
1045/CK45 Medium carbon, high strength Shafts, gears, bolts,Standard excavator rods, hydraulic cylinder rods
4340 High strength, wear resistant Automotive, heavy machinery
4140/SCM440 / 42CrMo High strength + good hardenability Higher strength, superior wear resistance, ideal for high-load conditions
5120 / 5140 Good hardenability Gears, shafts
20CrMnTi Excellent carburizing performance Automotive gears, transmission parts
304 / 316 Excellent corrosion resistance Food machinery, chemical equipment, marine applications
430 Good formability & magnetic Decorative, automotive trim
630/17-4PH High strength + corrosion resistance Aerospace, medical, high-end machinery

Production Process

Process Flow 1

Peeling → Phosphating → Annealing → Phosphating and Soapingcold → drawing → polishing and straightening → cutting

Other Products

Other Products

Other Products

Special Type Bars

Special Type Bars

Custom Steel Bar

Custom Steel Bar

Product Details

Premium Quality Hex Bars with Tight Tolerance ±0.05mm

YaDa Metal specializes in producing high-precision cold drawn steel hexagonal bars. With advanced cold drawing technology and strict quality control, our hex bars offer excellent dimensional accuracy, sharp edges, superior surface finish, and enhanced mechanical properties.
Widely used in automotive, machinery, construction, hydraulic cylinders, and precision engineering industries worldwide.

Key Features

  • Tight Dimensional Tolerance — ±0.05mm
  • Excellent Surface Finish — Bright, smooth surface (Ra 0.4–1.6μm)
  • Superior Straightness — ≤ 0.5mm/m
  • Enhanced Mechanical Properties — Higher tensile strength and better machinability than hot-rolled hex bars
  • Size Range — S4mm – S101mm
  • Custom Lengths — Standard 3–6 meters or cut to exact requirements
  • Full Customization — Special sizes available on request

Specifications

Parameter Details
Shape Hexagonal Bar
Size Range S4mm – S101mm
Tolerance ±0.05mm
Length 3m – 6m (standard), custom lengths available
Surface Finish Bright / Polished
Straightness ≤ 0.5mm/m
Standards GB, ASTM A108, JIS
Materials 1018, 1020, 1045, CK45, 4140, SCM440, 304, 316, 17-4PH

Material Options & Applications

Material Key Features Common Applications
1018 / 1020 Good weldability, easy machining Structural parts, machinery components
1045 / CK45 High strength, good machinability Shafts, gears, hydraulic rods
4140 / SCM440 High strength & wear resistance Automotive parts, heavy machinery
304 / 316 Excellent corrosion resistance Food machinery, chemical equipment, marine
17-4PH High strength + corrosion resistance Aerospace, high-end machinery

Applications

  • Machinery shafts and components
  • Automotive and motorcycle parts
  • Hydraulic and pneumatic cylinder rods
  • Construction equipment
  • Agricultural machinery parts
  • Precision engineering and tooling

Why Choose YaDa Cold Drawn Hexagonal Bars

  • Factory Direct — Competitive pricing and stable supply
  • Strict Quality Control — 100% inspection before shipment
  • Customization Capability — Special sizes made to order
  • Fast Delivery — Standard sizes in stock, custom orders 15–25 days
  • Professional Support — Technical team ready to assist

Get Your Custom Quote Today

Free samples for qualified bulk orders. Contact now for best price and fast delivery:
Email: [email protected]
Tel: +86 13920216030

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