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PUNCH RATNA FASTENERS (P) LTD.
 
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About Us

Punch Ratna Fasteners Private Limited is a leading manufacturer of Cold Forged Automotive Components and High Tensile Fasteners. With an inspiring and efficient work force, we, at PRF, are capable enough to develop all of your ideas, materializing your requirements, giving shape to the product you have designed.

With the customer's continuing requirements of short development time and value added quality product, we have state-of-the-art bolt formers and part formers with an installed capacity of 10000 MT/120 million pcs per annum to produce cold forged components to very high level of precision, and thus eliminate the need for most of post forming operations.

In order to serve our customer better, we have a wire processing facility equipped with modern PLC controlled spheriodised annealing furnaces and wire drawing machines with a capacity of up to 30 mm in diameter.

We believe, we are as much in the services business as in the manufacturing business. We understand the deadlines you must meet. We are committed to fulfill your requirements and provide time delivery of quality products and become your most preferred source.

Product Range

Standard Fasteners:

We produce a wide range of standard Cold Forged High Tensile Fasteners from diameter M4 to M24mm and the length range of 6mm to 300mm, covering most of the Indian and International standards like IS, DIN, ISO, ANSI, JIS, etc.

'PRF' High Tensile Fasteners are used in wide range of application in automotive and general industries as they have extra strength and fatigue resistance required for total reliability in high strength fastening.

Our products are:

  • Socket Countersunk Screws
  • Socket Button Head Screws
  • Socket Head Cap Screws
  • Hex Head Screw & Bolts
  • Carriage Bolts

Special Products

Special Fasteners:

We strive to provide the highest quality manufacturing at the lowest possible prices, with total customer satisfaction to the clients throughout the world.

With state-of-the-art cold forging equipment and controlled production process, we are capable enough to produce automotive parts with multiple diameters & complex shape. Cold Forged Components that we manufacture are as given below:

  • Cold Forged Stearing & Suspension Components viz. Ball Studs, Ball Rods, etc.
  • Wheel Bolts
  • Special Flange Screws for seat belts
  • 6-Lobe Screws for special automotive application
  • Engine Bolts
  • Socket Head Shoulder Cap Screws

Quality Policy

Customer Satisfaction: Punch Ratna Fasteners is committed to enhance customer satisfaction through on time delivery of defect free products.

Upgradation of Technology: To manage and implement new technology in our production and quality processes so as to satisfy our clients' needs.

Employee Satisfaction: To create a conductive working environment where every employee is motivated to contribute his best.

Quality Assurance

We strive to meet our customers' requirements of defect free products:

  • ISO/TS16949 approved (T.U.V)
  • Receipt in process & finished Q.C.
  • APQP (F.M.E.A,PPAP)
  • 100% tracebility
  • Physical & metallurgical tests
  • Magna flux crack detection
  • Salt spray test

QA Equipment:

Punch Ratna is committed to produce cold forged automotive components and quality high tensile fasteners by using latest testing technology. Each lot out of our production facility undergoes mechanical, chemical, and metallurgical inspection from raw material receipt to packing.

  • Metallurgical microscope-neophot 21: This microscope is equipped with Carl Zeiss lens with magnification power up to 2000X. It is also equipped with features like analyzer, poraizer, and attached camera for measuring grain size, decarb, micro structure, inclusions rating and thread laps, etc.
  • Micro hardness tester: To click vicker hardness and destabilization. Attached with the computer, it gives automatic display of various parameters required.
  • Universal testing machine: To check tensile strength elongation, yield strength, reduction in area ratio.
  • Magna flux crack detector: To check cracks in critical components like ball studs, etc.
  • Profile Projector: Equipped with sil optics, it has a resolution of .001 mm and an accuracy of 0.05 % on profile. It also features X-Y Digital read out functions.
  • Rockwell hardness tester: To check hardness in A, B & C scales.
  • Eddy current analyzer: To check variation in hardness of critical components.

Production Process

At Punch Ratna Fasteners, state-of-the-art bolt formers are used to produce cold forged automotive components and high strength high tensile fasteners with high precision.

The production process is highly controlled to produce the products as per customer's specifications. To compliment the production process, a proper quality management system right from receipt of raw material to the packing ensures the 100% traceability of component.

To give our customer the desired product with best quality, we source the raw material from major steel producers in India, Germany, and South East Asia. Some major source of raw material are as follows:

1. Mukand Ltd., India
2. POSCO, Korea
3. SAARSTAHL, Germany

Production Equipment

Cold Forging:

State-of-the-art bolt formers of capacity M4 to M24 in diameter and part former of capacity M8 to M20 makes us capable of producing any critical & complex shape components to very high levels of precision

Machines We Use:

Machine Make: WATERBURY FARREL (U.S.A.)
Capacity: M 24 Diameter
Nature: Part former

Machine Make: Nedschroef (Belgium)
Capacity: M 12
Nature: Bolt Former

Machine Make: Perfect (India)
Capacity: M 24 Diameter (300mm Length)
Nature: Header

Machine Make: Lion Shyang (Taiwan)
Capacity: M 12
Nature: Part Former




 

Special Fasteners
Special Fasteners
Special Products
Special Products
Special Products
Special Products
Special Products
Special Products
Special Fasteners
Special Fasteners
Carriage Bolts
Carriage Bolts
Socket Head Cap Screws
Socket Head Cap Screws
Hex Head Screws & Bolts
Hex Head Screws & Bolts
Socket Button Head Screws
Socket Button Head Screws
Socket Countersunk Screws
Socket Countersunk Screws
 






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