Bright Hex Bars Manufacturer, Supplier & Exporter – Inox Steel India
Inox Steel India is a manufacturer, supplier, and exporter of bright hex bars (cold drawn hex bars), supplying to precision machining, fastener manufacturing, and OEM engineering sectors across India, GCC countries, the Middle East, Africa, Europe, and the Americas.
Bright hex bars are produced using cold drawing / cold finishing processes, resulting in high dimensional accuracy, smooth surface finish, and sharp hexagonal edges. This makes bright hex bars suitable for applications where tight tolerances, consistent geometry, and superior machinability are required.
Inox Steel India supplies bright hex bars across carbon steel, alloy steel, stainless steel, duplex, tool steel, nickel alloys, titanium, and copper alloy grades, manufactured in compliance with applicable ASTM, ASME, EN, DIN, and IS standards.
🔍 What Are Bright Hex Bars and How Are They Made?
Bright hex bars are solid hexagonal bars produced by cold drawing hot rolled or forged bars through precision dies. The cold working process improves dimensional accuracy, straightness, surface finish, and mechanical consistency when compared to hot rolled hex bars.
Bright hex bars are preferred where minimal machining allowance, improved appearance, and repeatable performance are essential.
Manufacturing Steps:
1️⃣ Selection of Hot Rolled / Forged Feedstock
Base material is selected based on required grade and standard.
2️⃣ Surface Preparation
Descaling and surface cleaning are performed prior to cold drawing.
3️⃣ Cold Drawing Through Hex Dies
Bars are drawn through hexagonal dies to achieve accurate across-flat dimensions.
4️⃣ Heat Treatment (Where Required)
Annealing, quenching & tempering, or solution annealing is applied based on material grade.
5️⃣ Straightening & Cutting
Bars are straightened and cut to standard or custom lengths.
6️⃣ Final Inspection
Dimensional checks, surface inspection, and material verification are carried out before dispatch.
✅ Key Characteristics of Bright Hex Bars
These characteristics make bright hex bars ideal for precision components and mass-production applications.
🧩 Materials Available in Bright Hex Bars
Bright hex bars can be supplied in a wide range of materials, including:
Material selection depends on strength requirements, corrosion resistance, and end-use application.
🧭 Key Factors to Consider When Selecting Bright Hex Bars
When selecting bright hex bars, the following parameters should be evaluated:
1️⃣ Tolerance and Dimensional Accuracy Requirement
2️⃣ Surface Finish Expectation
3️⃣ Machinability and Production Volume
4️⃣ Heat Treatment Condition
5️⃣ Cost vs Performance Balance
Correct selection ensures process efficiency and consistent product quality.
🌍 Usage & Demand Overview
In India, bright hex bars are widely used by CNC machining units, fastener manufacturers, automotive component suppliers, and precision engineering companies, especially in industrial clusters such as Pune, Rajkot, Ludhiana, Faridabad, and Chennai.
Export demand is driven by OEMs and machining companies requiring tight tolerance hexagonal bar stock for repeat production.
⚙ Applications and Technical Specifications
Bright hex bars supplied by Inox Steel India are selected for applications requiring high dimensional accuracy, smooth surface finish, and repeatable machining performance. These bars are commonly used where tight tolerances and reduced machining allowance are critical.
🧩 Applications by Use Case
Precision Machining & CNC Components
Service Use: High-accuracy machining with minimal material removal.
Typical Applications: CNC-turned parts, precision fasteners, shafts, bushings.
Industry Sectors: CNC Machining | OEM Manufacturing | Precision Engineering
Fasteners & Bolting Applications
Service Use: Accurate hex profile for direct fastener production.
Typical Applications: Nuts, bolts, studs, anchors.
Industry Sectors: Fasteners | Automotive | Industrial Assembly
Automotive & Engineering Components
Service Use: Consistent geometry for mass production.
Typical Applications: Automotive fittings, couplings, connectors.
Industry Sectors: Automotive | Engineering | OEM Suppliers
📐 Bright Hex Bar Sizes & Dimensions
Bright hex bars are supplied in standard metric hex bar sizes with close dimensional tolerances.
(Refer to standard hex bar sizes in mm PDF and hex bar size chart in mm India for detailed dimensions and weights.)
⚖ Bright Hex Bar Weight Chart (Indicative)
| AF Size (mm) | Approx. Weight (kg/m) |
|---|---|
| 6 | 0.25 |
| 8 | 0.43 |
| 10 | 0.68 |
| 12 | 0.98 |
| 16 | 1.74 |
| 20 | 2.72 |
| 25 | 4.25 |
| 30 | 6.11 |
| 40 | 10.86 |
| 50 | 16.90 |
| 60 | 24.60 |
Weights are indicative and may vary slightly based on tolerance and material grade.
💰 Bright Hex Bars Price (Indicative – India)
| Material Category | Approx. Price Range (INR / kg) |
|---|---|
| Carbon Steel | ₹ 75 – ₹ 120 |
| Alloy Steel | ₹ 120 – ₹ 220 |
| Stainless Steel | ₹ 220 – ₹ 450 |
| Special Alloys | On Request |
Prices depend on material grade, size, finish quality, quantity, and heat-treatment condition.
🔢 Bright Hex Bar HSN / HS Code
HSN Code: As per base material
(Commonly 7215 / 7228 / 7222 depending on material category)
🧪 Testing & Quality Inspection
Bright hex bars are inspected with emphasis on dimensional accuracy and surface quality.
Testing includes:
Material can be supplied with EN 10204 3.1 / 3.2 certification on request.
Across-flat sizes typically range from 6 mm to 60 mm, with smaller precision sizes available on request. Yes, bright hex bars are widely used for nuts, bolts, and studs due to accurate hex geometry. Yes, bright hex bars can be supplied in custom cut lengths as per requirement. Material can be supplied with EN 10204 3.1 / 3.2 test certification on request. What are the standard sizes available in bright hex bars?
Are bright hex bars suitable for direct fastener manufacturing?
Are custom cut lengths available?
Is test certification provided with supply?
🏭 Why Choose Inox Steel India
Inox Steel India supplies bright (cold drawn) hex bars with controlled processing, close dimensional tolerances, and documented traceability for precision-driven applications. Products are manufactured and inspected to meet repeatability, finish quality, and machining performance requirements.
Key supply features:
🧩 Industries Served
Bright hex bars are supplied to the following industries:
Material and tolerance selection is aligned with machining method, production volume, and surface finish requirements.
📦 Packaging & Supply
Bright hex bars are packed and dispatched to protect surface finish and straightness.
Dispatch supported through JNPT (Mumbai), Mundra, and Hazira ports for export shipments.