Incoloy Screws

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Incoloy Screws Manufacturer and Supplier in Tunis, Tunisia

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Lina Fasteners, based in Tunis, Tunisia, is a trusted manufacturer and supplier of Incoloy Screws, designed for high-performance applications in extreme environments. Utilizing advanced manufacturing processes and strict quality control, the company produces screws that meet international standards and precise customer requirements. Incoloy Screws from Lina Fasteners offer exceptional resistance to heat, corrosion, and mechanical stress, ensuring reliable fastening in demanding conditions. Widely used across chemical processing, petrochemical, power generation, and marine industries, these screws provide secure and durable connections. Their strength and long service life make them an essential choice for critical applications.

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Incoloy Screws are manufactured from nickel-iron-chromium alloys with additions of molybdenum, copper, and cobalt to enhance corrosion resistance and high-temperature performance. Mechanically, these screws offer high tensile and yield strength, excellent fatigue resistance, and durability under extreme thermal and chemical conditions. They maintain dimensional stability and structural integrity during installation and long-term use. Incoloy Screws provide a balanced combination of toughness, strength, and corrosion resistance, making them suitable for critical applications in harsh industrial and marine environments.

Incoloy Screws Specifications

Grades
  • Incoloy 825 Washers Incoloy 800 Washers Incoloy 925 Washers
ASTMASTM F2281, ASTM F468M, ASTM F468 UNS N08825, ASTM F467
Incoloy Washers Sizes
  • Cold Forming process: M2-M24
  • Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg
  • CNC Machining for M100 / 4” Dia, up to 1500mm lg

Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Incoloy Fasteners

Alloy 825 Bolts Size Metric
  • Dia: M10 – M110
  • Length: 12 – 1200MM
Incoloy Hex Bolts Size Inch
  • Dia: 1/2″ – 4.0″
  • Length: 1/2″ – 52″
Standard

Manufacturer of Incoloy Washers as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards

  • American SAE
  • ANSI B 18.2.4 2M
  • American ASME
  • ANSI B 28.2.4 1M
  • GB/T5783, GB/T5782, GB5783
  • ANSI – American National Standards Institute
  • British BS
  • Italian UNI
  • Indian IS
  • International ISO
  • German DIN
  • Spanish CSN
  • Polish PN
  • European EU

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Incoloy Screws Mechanical Properties

Grade
Tensile Strength (MPa) min
Yield Strength 0.2% Proof (MPa) min
Elongation (% in 50mm) min
Hardness
Rockwell B (HR B) max
Brinell (HB) max
Incoloy Fasteners
Psi – 75,000 , MPa – 520
Psi – 30,000 , MPa –205
30

Incoloy Screws Chemical Composition

Grade
C
Mn
Si
Fe
S
Cr
Al-Ti
Ni
Incoloy Fasteners
min.
39.5
19.0
0.15
30.0

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Commited to High Quality Service

To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.

Incoloy Screws are widely used in industries requiring corrosion resistance, high strength, and durability under extreme conditions. They are commonly applied in chemical processing equipment, heat exchangers, and high-temperature piping systems. In the petrochemical and power generation sectors, these screws are used in turbines, reactors, and industrial machinery requiring reliable fastening solutions. Incoloy Screws are also suitable for marine and offshore applications, offering long-term performance in saltwater and corrosive environments. Their ability to withstand high mechanical loads, heat, and chemical attack makes them ideal for securing critical components in demanding and high-performance applications.

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Types of Incoloy Screws

Incoloy Screws
Incoloy Wood Screw
Incoloy Deck Screw
Incoloy Drywall Screw
Incoloy Masonry Screw
Incoloy Screw

At Lina Fasteners, we ensure that our Incoloy screws are packed in a very secure manner to ensure that they get to you in the best condition. Every screw is covered with protective materials to ensure that they do not get damaged, rust or get contaminated in any way during transportation. Some of our packaging solutions are cartons that are strong and our packaging solutions can be made to order to match your needs. Through proper labeling and packing, we ensure that identification and handling is done effectively as a way of showing that we value our products and handle them with a lot of care.

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Aerospace Industry
Petrochemical Industry
Defence Industry

Incoloy Screws Applications