Inconel 601 Fasteners

Inconel 601 Fasteners Manufacturer & suppliers

Unifit Fastener is a company that has a work experience exceeding twenty years in manufacturing and distributing high-performance alloy fasteners to various industries worldwide. We are reputed as a reliable producer and exporter. We specialise in Inconel 601 fastener products that have a chance to perform in an environment that is extremely hot and corrosive. The alloy is extremely malleable and therefore can be easily moulded into Inconel 601 fasteners. It is also strong, tough and very resistant to rust and corrosion.

We have such professionals as metallurgists, quality control specialists, and other professionals who ensure that every fastener is made to the highest level of international standards, such as ASTM, DIN, EN, and ISO standards, and achieves the precise specifications of your app.

Inconel 601 is a nickel-chromium alloy with aluminium added to it, which provides good resistance against oxidation even at temperatures as high as 1200°C. This is best suited for thermal processing equipment, petrochemical units and other systems with high heat.

The kinds of Inconel 601 fasteners that we provide are of various types, like bolts, screws, nuts, studs, washers, dowel pins and other customisable or standard products that are applied in different industries.

We are not only suppliers of fasteners. We further provide guidance, customisation and complete traceability. All the products are provided with the relevant certifications, full documentation, and the assistance of our skilled personnel.

When you require fasteners to be used in OEM production, shutdown of plants or special replacements that require high endurance, our Inconel 601 bolts, nuts, screws and studs will perform well where normal fasteners will not work.

Inconel 601 Bolts, Inconel 601 Nuts, Inconel 601 Hex Bolt, Inconel 601 Stud Bolt, Inconel 601 Screw, Inconel 601 Washers, Dimensions of ASME B18.2.1 Alloy 601 Heavy Hex Bolt, Inconel 601 Fasteners in India.

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What Is Inconel 601?

Inconel 601 is a high-performance nickel-chromium alloy that is unable to oxidise or even scale in high temperatures. It is constructed so that it can sustain its strength and form at temperatures up to 1200°C. This would render it an excellent selection in thermal and chemical treatments that normal materials tend to fail.

The difference between Inconel 601 and other alloys is the inclusion of aluminium in its structure. This enhances its stability on the surface and further helps it to be more resistant to oxidation. This is why it is so effective in areas that undergo heating and cooling more than once, e.g., furnaces, heat exchangers and exhaust systems. It is also resistant to damage caused by carburisation, nitridation and sulphur-rich environments and, as such, is reliable in harsh environments.

Inconel 601 is a good choice to use in fastening work due to its high mechanical strength, good creep resistance, and high structural stability, which is required to be accurate and long-lasting. It is non-magnetic to make and weld, which contributes to its application in the aerospace, petrochemical, and power plant industries.

Types of Inconel 601 Fasteners

At Unifit Fastener we make and supply a wide range of inconel 601 fasteners that are built to handle high heat pressure and corrosion. These fasteners are made with great accuracy to meet international standards and are available in both standard and custom sizes. Their strong resistance to oxidation and damage at high temperatures makes them perfect for thermal systems chemical factories and marine use.

Inconel Alloy 601 Nuts

  • Inconel 601 Hex Nuts
  • Inconel 601 Heavy Hex Nuts
  • Inconel 601 Wing Nuts
  • Inconel 601 Hexagon Nuts
  • Inconel 601 Cap Nuts
  • Inconel 601 Square Nuts
  • Inconel 601 Coupling Nuts
  • Inconel 601 Hex Jam Nuts
  • Inconel Alloy 601 T-Nuts
  • Inconel® Alloy 601 Eye Nuts
  • Inconel 601 Nylock Nuts
  • Inconel® 601 High Tensile Nuts
  • Inconel 601 Cage Nuts
  • Inconel 601 Dome Nuts
  • Inconel 601 Knurled Nuts
  • Inconel 601 Keps-K Lock Nuts
  • Inconel 601 Machine Hex Nuts
  • Inconel 601 Slotted Nuts
Inconel 601 Nuts

Inconel Alloy 601 Washers

  • Inconel 601 Plain Washers
  • Inconel 601 Spring Washers
  • Inconel 601 Locking Washer
  • Inconel 601 Split Washer
  • Inconel® Alloy 601 Flat Washers
  • Inconel 601 Ogee Washers
  • Inconel 601 Fender Washer
  • Inconel 601 Conical Washers
  • Inconel 601 Serrated Washer
  • Inconel 601 Tab Washers
  • Inconel 601 Hex Washer
  • Inconel 601 Countersunk Washer
  • Inconel Alloy 601 Dock Washers
  • Inconel 601 Spring Lock Washer
  • Inconel 601 Star Washer
  • Inconel 601 Bonded sealing Washer
  • Inconel 601 Square Washers
  • Inconel® 601 Belleville Washer
Inconel 601 Washers

Inconel Alloy 601 Screw

  • Inconel® 601 Socket Set Screw
  • Inconel 601 Self Drilling Screw
  • Inconel 601 Socket Head Cap Screw
  • Inconel 601 Hex Head Screws
  • Inconel 601 Wood Screw
  • Inconel 601 Eye Screw
  • Inconel 601 Wing Screw
  • Alloy 601 Self Tapping Screws
  • Inconel 601 Roofing Screw
  • Inconel 601 Phillips Head Screw
  • Inconel 601 Decking Screw
  • Inconel 601 Machine Screw
  • Inconel 601 Thumb Screw
  • Inconel 601 Drywall Screws
  • Inconel 601 Chipboard Screw
  • Inconel 601 Metric Set Screws
  • Inconel 601 Sems Screw
  • Alloy 601 Thread Rolling Screw
Inconel 601 Screws

Inconel Alloy 601 Stud Bolt

  • Inconel 601 Full Threaded Stud Bolts
  • Inconel 601 Half Threaded Stud Bolts
  • Inconel 601 Threaded Rod
  • Inconel 601 Double Ended Studs
  • Inconel 601 Tap End Stud Bolt
  • Inconel® Alloy 601 Tie Rods
  • Inconel Alloy 601 Studs
  • Inconel 601 Single End Stud Bolts
  • Inconel 601 Reduced Shank Stud Bolt
  • Alloy 601 Continuous Threaded Stud
  • Inconel 601 Partial Threads Stud Bolt
  • Inconel® 601 Heavy Stud Bolts
Inconel 601 Stud Bolt

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Chemical Composition of Inconel 601 Fasteners

Inconel 601 is a nickel-chromium-iron alloy that contains aluminium as an addition. It also offers a great deal of heat, corrosion and oxidation resistance even in high and varying temperatures since it develops a stable oxide layer on its surface. This is why it can be applied to fasteners that are employed on furnaces, heat exchangers, and chemical reactors. The typical chemical content of Inconel 601 used to manufacture fasteners is as shown below:

ElementContent (%)
Nickel (Ni)58.0 – 63.0
Chromium (Cr)21.0 – 25.0
Aluminum (Al)1.0 – 1.7
Iron (Fe)Balance
Carbon (C)≤ 0.10
Manganese (Mn)≤ 1.0
Silicon (Si)≤ 0.5
Sulfur (S)≤ 0.015
Copper (Cu)≤ 1.0

This balanced composition helps inconel 601 fasteners maintain their strength and surface stability even when they are used for a long time in demanding heat and chemical environment.

Inconel 601 Mechanical Properties for Fasteners

The Inconel 601 fasteners are constructed to withstand high heat, high pressure and corrosion. They are tough even with time, and they do not creep easily, making them dependable even in critical applications. Inconel 601 standard properties are used to produce these fasteners, and they include

PropertyValue
Tensile Strength≥ 620 MPa (90 ksi)
Yield Strength (0.2% offset)≥ 275 MPa (40 ksi)
Elongation (in 50 mm)≥ 30%
Hardness (Rockwell B)≤ 85 HRB
Melting Point1320 – 1370°C
Density8.11 g/cm³

Specification of Inconel 601 Fasteners

Our certified raw materials are used, and each batch is tested according to the international quality and safety standards. Our Inconel 601 fasteners are reliable in terms of their chemical, mechanical and corrosion-resistance characteristics, whether in OEM or in maintenance.

Category Details
Supported Standards ASTM, ASME, ANSI, DIN, ISO, JIS, BS, UNI, GB, IS
Thread Types UNC, UNF, METRIC, BSW, BSF, UNEF, UNS, NPT, NPTF (other threads on request)
Inconel 601 Fastener Standards ANSI B18.2.4 2M, ANSI B18.2.4 1M, ASME B16.5, ASME B18.2.2, ASME B18.5
DIN Standards DIN 912, 931, 933, 934, 970, 7981, 7982, 7985, 916, 913, 603, 6923, BS equivalents
ISO Standards ISO 4017, ISO 4032, ISO 4033, ISO 7380, JIS standards
Fastener Sizes M2 to M160 (custom sizes available)
Length Range 3 mm to 200 mm
Head Drive Options Slotted, Phillips, Six-Lobe, Phillips/Slot, etc.
Test Certificate EN 10204 / 3.1
Raw Material Sources Tata Steel, Usha Martin, RINL, JSPL, Mukund Steel, Dhamm Steel, etc.
Shapes / Forms Hex, Square, Round, Threaded as per gauge
Production Method CNC/Machining: up to M100 or 4" dia, 1500 mm length; Hot Forging: M24–M100 up to 1100 mm length; Cold Forging: M2–M24
Surface Coatings Teflon, PTFE, Xylon, Zinc, Cadmium, Phosphate, Hot-Dip Galvanized

Inconel 601 Fasteners Equivalent Grades

Inconel 601 fasteners are widely known for high heat and corrosion resistance and are approved under many global standards. Our fasteners match these international equivalents, making them suitable for worldwide use.

StandardEquivalent Grade
UNSN06601
ASTMB166 / B167 / B168 / B564
EN2.4851
Werkstoff Nr.2.4851
BSNA 49
JISNCF 601

Dimensional Standards of Inconel 601 Bolts and Nuts

Product Type ISO Standards DIN Standards ANSI Standards BS Standards
Inconel 601 Bolts & Set Screws (Normal & Heavy Series) ISO 4014, ISO 4017 DIN 931, DIN 933 ANSI B18.2.1 BS 1083, BS 1768, BS 1769, BS 3692
Inconel 601 Socket Cap Screws (1936 & 1960 Series) ISO 4762 DIN 912, DIN 913, DIN 916, DIN 6912 ANSI B18.3 BS 2470, BS 4168
Inconel 601 Stud Bolts — DIN 975, DIN 976 ANSI B16.5 BS 4882
Inconel 601 Nuts (Normal & Heavy Series) ISO 4032 DIN 934 ANSI B18.2.2 BS 1083, BS 1768, BS 1769, BS 3692
Inconel 601 Engineer Studs — DIN 938, DIN 939, DIN 2510 — BS 2693, BS 4439, BS 4882
Inconel 601 Washers — — — Flat, Tab, Spring, Special Designs

Alloy 601 Washers Weight Chart

APPROX. WEIGHT IN Kilogram FOR 100 NOS
SIZE PLAIN PUNCHED WASHER
IS:2016		 HEAVY WASHER
IS:6610		 MACHINED WASHER
IS:2016		 SQUARE TAPER WASHERS SPRING WASHER FLAT SECTION IS:3063-72 SPRING WASHER SQUARE SECTION IS:6735-72
DIN : 7980		 Size (Inches) PLAIN PUNCHED WASHER
BS:3410 TABLE 7
MACHINED HIGH STRENGTH
FRICTION GRIP
FOR
CHANNELS IS:5372-75		 FOR
I-BEAM IS:5374-75		 TYPE-B
(CHANNELS) IS : 6649-85		 TYPE-C
( I-BEAMS ) IS : 6649-85
M-30.010.01
M-40.020.02
M-50.040.040.030.03
M-60.110.110.080.041/4″0.21
M-80.200.211.101.200.160.115/16″0.35
M-100.391.600.401.001.100.250.203/8″0.48
M-120.581.900.622.002.202.001.800.380.231/2″1.07
M-140.820.600.38
M-161.062.901.133.403.759.008.500.890.595/8″1.85
M-181.270.970.66
M-201.644.401.725.806.708.508.001.521.233/4″2.91
M-221.757.507.001.651.367/8″4.27
M-243.116.303.3013.5016.006.506.002.621.811″6.13
M-273.948.004.2312.5015.0012.0011.502.872.061.1/8″7.69
M-305.0510.105.3616.5018.7017.5016.004.433.201.1/4″9.90
M-337.1012.007.5421.0023.5023.0022.506.303.50
M-368.7314.609.2025.5029.2026.5026.006.735.251.1/2″17.24
M-3912.6016.7013.3028.3034.507.175.61
M-4217.5020.1018.3011.108.00
M-4521.2022.2022.0011.708.53
M-4828.4026.0029.4012.309.002″27.78
M-5231.9033.0018.20
M-5647.9019.30
M-6051.6020.30
M-6455.4021.80
M-6857.40
M-7263.4024.00

Inconel 601 Nut Weight Chart

Size Finished Hex Heavy Hex Finished Jam Heavy Hex Jam Square Heavy Square
1⁄2“ Nut3.756.542.624.005.787.87
5⁄8“ Nut7.3311.94.936.9610.814.3
3⁄4“ Nut11.919.37.7011.015.423.5
7⁄8“ Nut19.029.712.016.724.536.2
1″ Nut28.342.517.623.536.351.5
11⁄8“ Nut40.359.224.732.452.572.4
11⁄4“ Nut54.378.636.145.870.695.5
13⁄8“ Nut73.010247.959.394.5125.0
11⁄2“ Nut94.313160.974.8122161
15⁄8“ Nut16291.6
13⁄4“ Nut151204100114
17⁄8“ Nut241134
2″ Nut224299140165
21⁄4“ Nut419227
21⁄2“ Nut564332
23⁄4“ Nut738429
3″ Nut950545
31⁄4“ Nut1194651
31⁄2“ Nut1526851
33⁄4“ Nut18121005
4″ Nut21801200

Ready Stock of ASTM B166 Inconel 601 bolts

  • ASTM B166 Inconel 601 Washers
  • 601 Inconel Cap Screw
  • Inconel 601 Sockets
  • UNS N06601 Screws
  • ASTM B166 Machine Screw
  • ASTM B166 Inconel Nuts
  • Inconel 601 Spring Washers
  • Inconel 601 Allen Cap screw
  • UNS N06601 Socket Head Cap Screw
  • 601 Inconel Bolts
  • UNS N06601 Hex Set Screw
  • ASTM B166 Inconel 601 Hex Head Bolts
  • 601 Inconel Eye Bolt
  • Inconel 601 Socket Screw
  • 601 Inconel Pan Head Screw
  • UNS N06601 Wing Screw
  • Inconel 601 Fasteners
  • ASTM B166 Inconel 601 Socket Hexagon Head Screw Anchor Bolt
  • Inconel 601 U- Bolts
  • UNS N06601 Structural Bolts
  • ASTM B166 Inconel 601 Marine Anchor Bolt
  • ASTM B166 Inconel 601 T-Head Bolts
  • Inconel 601 Wing Screw
  • Inconel 601 Hex Set Screw
  • Inconel 601 Hex Domed Cap Nuts
  • UNS N06601 Mushroom Head Square Neck Bolts
  • ASTM B166 Inconel 601 Hex Coupling Nut
  • ASTM B166 Inconel 601 Hex Nut
  • 601 Inconel Hexagon Nut
  • 601 Inconel J Bolts
  • UNS N06601 Stud Bolts
  • 601 Inconel Square Nut
  • ASTM B166 Inconel 601 Foundation Bolts
  • 601 Inconel Studs
  • 601 Inconel Anchor Bolt

Inconel 600 vs Inconel 601: What’s the Difference?

Inconel 600 and inconel 601 are both strong nickel chromium alloys from the same group but they are made for slightly different uses. Knowing the difference between them helps you choose the right material for areas with high heat or corrosion:

PropertyInconel 600Inconel 601
Primary CompositionNickel-ChromiumNickel-Chromium with Aluminum
Oxidation ResistanceExcellent up to ~1000°CSuperior up to ~1200°C
Key AdvantageGood strength in moderate heat & corrosionOutstanding scale resistance in thermal cycling
Aluminum ContentAbsentPresent (1.0–1.7%) – enhances scale resistance
Best Use CasesChemical processing, heat exchangersFurnace parts, thermal oxidizers, catalyst supports
Surface StabilityStable under static heatStable under fluctuating, high-temp conditions
Weldability & FabricationExcellentExcellent
CostSlightly lowerSlightly higher due to enhanced performance

Applications of Inconel 601 Fasteners

Inconel 601 fasteners are made to perform well in tough conditions where high heat oxidation and corrosion are always present. They resist scaling thermal fatigue and carburization which makes them a top choice in industries where failure is not an option.

Key Industries & Applications:

  • Civil Construction Industries
  • Ship Building Industries
  • Heavy Engineering Industries
  • Fertilizer Plants
  • Power Generation Units (Nuclear, Hydro or Thermal)
  • Petro-Chemical Industries
  • Oil Expansion Projects
  • Offshore & Onshore Oil Towers
  • Home Fittings
  • Valves, Vessels and Pumps
  • Railways
  • Steel Plants

Whether it is holding parts together in a hydrocarbon unit or fixing refractory pieces inside a high heat furnace inconel 601 fasteners give long lasting strength and reliable performance.

Inconel 601 Fasteners Price in India

Inconel 601 fasteners are high quality parts made to resist heat oxidation and strong chemicals. They are used in demanding jobs across many industries. Because the material and production process are specialized the price in India can change based on different factors.

Key Factors Affecting Inconel 601 Fastener Pricing:

  • Type of fastener (bolt, nut, washer, stud, threaded rod, etc.).
  • Size, length and threading specifications.
  • Required standards (ASTM, DIN, ISO, etc.).
  • Quantity (bulk orders vs. small batch).
  • Additional coatings or custom machining.

At Unifit Fastener we offer fair prices without lowering the quality. Each product is made from certified raw materials and comes with full test reports and traceability.
For the most accurate inconel 601 fasteners price in India, you can share your project details and quantity with our team. We will send you a custom quote along with delivery time and shipping options.

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FAQ’s About Inconel 601 fasteners

What are Inconel 601 fasteners?

Inconel 601 fasteners are made from a nickel-chromium-iron alloy known for excellent strength, oxidation resistance, and performance at high temperatures. They are commonly used in furnaces, heat treatment equipment, and chemical plants.

What temperature can Inconel 601 fasteners withstand?

These fasteners can operate safely at temperatures up to around 1200°C, making them ideal for extreme heat environments where regular stainless steel fails.

Are Inconel 601 fasteners corrosion-resistant?

Yes. The alloy forms a protective oxide layer that prevents rusting, scaling, and corrosive damage, even under fluctuating temperatures and exposure to chemicals.