Rudra Corporation

Knurled Brass Rods

Knurled Brass Rods

Rudra Corporation offers Knurled Brass Rods designed for enhanced grip, mechanical strength, and visual appeal. These rods feature a uniform knurled pattern (diamond, straight or Spiral), making them ideal for applications where slip resistance and design precision are essential.

What Are Knurled Brass Rods?

Knurled brass rods are solid brass rods with patterned grooves or ridges machined or rolled into their outer surface. These patterns provide enhanced grip, aesthetics, friction, and mechanical engagement in various applications.

Knurling transforms an ordinary rod into a functional and decorative component, making it suitable for specialized uses in precision engineering, electronics, tools, and furniture hardware.

Key Features

Feature
Description
Material
Typically C36000 (Free-Cutting Brass), C38500
Finish
Raw, polished, nickel-plated, chrome-plated
Machinability
Excellent due to lead content (free-machining)
Knurling Type
Straight, diamond, or spiral
Surface Texture
Fine, medium, or coarse ridges
Available Shapes
Round (most common), Hexagonal, Custom Profile

Knurling Patterns

Knurling involves cutting or rolling grooves into the brass rod's surface. Common knurling styles include:

Pattern Type
Description
Straight Knurl
Parallel grooves along the length of the rod. Good for linear grip or insert locking.
Diamond Knurl
Cross-hatched crisscross pattern. Excellent grip, most common for handles and knobs.
Spiral Knurl
Angled grooves spiraling along the rod. Stylish, often for decorative or rotational use.

Manufacturing Process

  • Material Preparation – Solid brass rod is cut to required length.
  • Knurling Operation – Done using:
    • Lathe knurling tools (for small-scale precision parts)
    • Rolling dies (for high-volume production)
  • Post-processing – Includes:
    • Polishing or plating
    • Threading or drilling (if part of a component)
  • Inspection for uniformity and accuracy

Technical Specifications

Parameter
Range
Diameter
3 mm to 100 mm
Length
100 mm to 3000 mm
Knurl Pitch
0.3 mm to 2 mm (fine to coarse)
Knurl Depth
0.1 mm to 0.5 mm
Tolerance
±0.05 mm (customizable)
Hardness
~80–120 HB
Finish Options
Polished, Satin, Antique, Chrome

Applications of Knurled Brass Rods

Industry
Use Case Examples
Electrical
Terminal posts, switch knobs, connectors
Automotive
Gear knobs, ignition components
Tools & Dies
Handles, precision adjusting rods
Aerospace
Locking pins, tactile controls
Furniture
Decorative accents, knobs, drawer pulls
Medical
Surgical tool handles (lead-free brass)

Aesthetic and Functional Benefits

  • Enhanced grip even in oily or wet conditions
  • Decorative appeal – classic industrial style
  • Anti-slip design – ideal for knobs and fasteners
  • Repeatable torque control – used in adjustment screws
  • Non-magnetic – safe for electronic enclosures
  • Precision compatible – easily threaded or machined

Customization Options

Option
Choices
Knurling Type
Straight / Diamond / Spiral
Surface Finish
Natural, Polished, Nickel, Chrome
Material Grade
C36000, Lead-Free, CZ121
Cut Lengths
Custom lengths per drawing
Machined Ends
Threaded, Slotted, Tapped
Tolerances
Standard or tight (as per DIN/ASTM)

Choose Rudra Corporation for reliable quality, precision, and timely delivery of Knurled Brass Rods. Your trusted partner for all brass solutions!

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