Premium Quality Square Bars with Tight Tolerance ±0.05mm
YaDa Metal specializes in manufacturing high-precision cold drawn steel square bars. Using advanced cold drawing technology and strict quality control, we deliver square bars with excellent dimensional accuracy, superior surface finish, and consistent mechanical properties. Our cold drawn square bars are widely used in machinery manufacturing, automotive parts, construction equipment, and precision engineering industries.
Key Features:
- Tight Dimensional Tolerance — ±0.05mm for high-precision applications
- Excellent Surface Finish — Bright and smooth (Ra 0.4–1.6μm)
- Superior Straightness — ≤ 0.5mm/m
- Enhanced Mechanical Properties — Higher tensile strength and better machinability than hot-rolled bars
- Wide Size Range — From 4×4mm to 90×90mm
- Custom Lengths Available — Standard 3–6 meters or cut to your exact requirements
- Full Customization — Special sizes and lengths available upon request
Specifications:
| Parameter | Details |
|---|---|
| Shape | Square Bar |
| Size Range | 4×4mm – 90×90mm |
| 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 | General machinery, structural parts |
| 1045 / CK45 | High strength, good machinability | Shafts, gears, precision components |
| 4140 / SCM440 | High strength & wear resistance | Automotive parts, heavy machinery |
| 304 / 316 | Excellent corrosion resistance | Food machinery, chemical equipment |
| 17-4PH | High strength + corrosion resistance | Aerospace, high-end machinery |
Applications:
Our cold drawn square bars are ideal for:
- Machinery shafts and structural components
- Automotive and motorcycle parts
- Construction and engineering equipment
- Hydraulic and pneumatic system components
- Precision instruments and tools
- Agricultural machinery parts
Why Choose YaDa Cold Drawn Square Bars:
- Factory Direct — Competitive pricing with stable supply
- Strict Quality Control — 100% inspection before shipment
- Customization Capability — Special sizes and lengths made to order
- Fast Delivery — Standard sizes in stock, custom orders within 15–25 days
- Professional Support — Technical team ready to assist with material selection and specifications
Get Your Custom Quote Today:
We offer free samples for qualified bulk orders. Contact us now for the best price and fast delivery!
Email: [email protected]
Tel: +86 13920216030