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Fasterner

Fasterner

Buttweld Fittings are durable piping components used to connect, redirect, and modify piping systems through welded joints. They provide strong, leak-resistant connections and are widely used in oil & gas, chemical, petrochemical, power, and industrial applications.

Engineered Fasterner

Types of Fastners

Fastners Specification

Fasteners Specifications: ASTM F593, F594, F1554 / ASME SF593, F594, F1554
Fasteners Size: Bolt / Screw Size: M3 - M56 | 3/6" to 2" | Custom Sizes
Nuts Size: M3 - M56 | 3/6" to 2" | Custom Sizes
Washers Size: M3 - M56 | 3/6" to 2" | Custom Sizes
Machine Screws Size: M1.6 - M12
Self Tapping Screw Size: No. 2 - No. 14
Fasteners Length: 3 mm to 200 mm
Studs, Bolts, Threads: UNF, BSW, BSF, METRIC, UNC, or as required
Steel Fasteners: DIN: DIN 934, DIN 931, DIN 970, DIN 933
UTS: UNEF, NPT, UNC, UNS, UNF, NPTF
ISO: JIS Standards, ISO 4033, ISO 4032
ANSI: American National Standards Institute
ASME B18.5
ANSI B 28.2.4 1M
ASME B16.5 SS Stud Bolt Length
ANSI B 18.2.4 2M
ASME B18.2.2 SS Hex Nuts
Form of Fasteners: Hex, Threading, Square, Round as per Gauge, etc.
Raw Materials Source: JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin, etc.
Threads Configuration: ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification: Dual Certified as per ASTM & ASME Codes
Dimensions: DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads: Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically.
Test Certificate of SS Bolting: As per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications: PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production Process: M24-M100: Hot Forging, M2-M24: Cold Forging, Custom-Made Connecting Element Machining and CNC
Head Drive of Bolts: Six-Lobe, Phillips, Phillips/Slot, Slotted, etc.
Packing of Fasteners: In Bulk: Carton, Pallet, Small Boxes / Carton / Pallet, or as per customer request
Surface Coating: PTFE Coated Stainless Steel Fasteners
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Fasteners Finishing: Stainless Steel: Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, DACROMET Geometry, Mechanically Applied Coating, Dacroment, Nickel Plated, Anodizing, Plated Zinc-Nickel
Zinc: Blue, Black, Yellow, White
Black Oxide

ANSI and/or ASME Standards Fasteners(inch series)

ASME B18.1.1 Small Solid Rivets ASME B18.8.1 Clevis Pins and Cotter Pins
ASME B18.1.2 Large Rivets ASME B18.8.2 Taper Pins, Dowel Pins, Straight Pins, Grooved Pins and Spring Pins
ASME B18.2.1 Square and Hex Bolts and Screws ASME B18.9 Plow Bolts
ASME B18.2.2 Square and Hex Nuts ASME B18.10 Track Bolts and Nuts
ASME B18.2.6 Fasteners for use in Structural Applications ASME B18.11 Miniature Screws
ASME B18.3 Socket Cap, Shoulder and Set Screws ASME B18.13 Screws and Washer Assemblies (Sems)
ASME B18.5 Round Head Bolts ASME B18.15 Forged Eyebolts
ASME B18.6.2 Slotted Head Cap Screws, Square Head Set Screws, and Slotted Headless Set Screws ASME B18.17 Wing Nuts, Thumb Screws and Wing Screws
ASME B18.6.3 Machine Screws and Machine Screws Nuts ASME B18.21.1 Lock Washers
ASME B18.6.4 Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws ASME B18.22.1 Plain Washers
ASME B18.7 General Purpose Semi-Tubular Rivets, Full Tubular Rivets, Split Rivets and Rivet Caps ASME B18.23.1 Beveled Washers

Stainless & Duplex Steel

Stainless Steel and Duplex Steel Buttweld Fittings provide excellent strength, corrosion resistance, and durability for demanding piping systems. They are widely used in oil & gas, chemical, petrochemical, pharmaceutical, marine, and industrial applications.

  • ➤ Range: 15 NB UP TO 1200 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS.
  • ➤ Form: Long/Short Radius Elbows, Equal/Unequal Tees, Concentric/Eccentric Reducers, Caps, Cross, Short/Long Neck Stub Ends.
  • ➤ Available Grades: 303, 304, 304L, 316, 316L, 316Ti, 310, 310S, 321, 317L, 347, 347H, 904L, 17-4PH, 15-5PH, 410, 420, Duplex 2205, Super Duplex 2507 and equivalent grades.
Stainless and Duplex Steel Buttweld Fittings

Hastelloy Fasteners

Hastelloy Fasteners offer excellent corrosion resistance, high strength, and durability in aggressive chemical and high-temperature environments.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods and Custom Fasteners.
  • ➤ Available Grades: Hastelloy C-276, Hastelloy C-22, Hastelloy B-2, Hastelloy B-3, Hastelloy C-2000 and equivalent grades.
Hastelloy Fasteners

Carbon & Alloy Steel Fasteners

Carbon and Alloy Steel Fasteners provide excellent strength, durability, and reliable performance in high-pressure and high-temperature industrial applications.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods, U-Bolts and Custom Fasteners.
  • ➤ Available Grades: ASTM A193 B7, B7M, B16, ASTM A194 2H, 2HM, ASTM A320 L7, L7M, ASTM A307, ASTM A354 and equivalent grades.
Carbon and Alloy Steel Fasteners

Inconel Fasteners

Inconel Fasteners offer excellent strength, corrosion resistance, and high-temperature performance in demanding industrial and high-performance applications.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods, U-Bolts and Custom Fasteners.
  • ➤ Available Grades: Inconel 600, Inconel 601, Inconel 625, Inconel 718, Inconel 800, Inconel 800H, Inconel 800HT, Inconel 825 and equivalent grades.
Inconel Fasteners

Incoloy Fasteners

Incoloy Fasteners offer excellent strength, corrosion resistance, and high-temperature performance in demanding industrial and high-performance applications.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods, U-Bolts and Custom Fasteners.
  • ➤ Available Grades: Incoloy 800, Incoloy 800H, Incoloy 800HT, Incoloy 825, Incoloy 925, Incoloy 901 and equivalent grades.
Incoloy Fasteners

Nickel Alloy Fasteners

Nickel Alloy Fasteners offer excellent strength, corrosion resistance, and durability in demanding chemical, petrochemical, marine, and high-temperature industrial applications.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods, U-Bolts and Custom Fasteners.
  • ➤ Available Grades: Monel 400, Monel K-500, Nickel 200, Nickel 201, Inconel 600, Inconel 625, Inconel 718, Inconel 825, Hastelloy C-276 and equivalent grades.
Nickel Alloy Fasteners

Monel Fasteners

Monel Fasteners offer excellent corrosion resistance, high strength, and durability in marine, chemical, oil & gas, and other demanding industrial environments.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods, U-Bolts and Custom Fasteners.
  • ➤ Available Grades: Monel 400, Monel K-500, Monel R-405 and equivalent grades.
Monel Fasteners

Titanium Fasteners

Titanium Fasteners offer excellent strength-to-weight ratio, corrosion resistance, and durability in demanding marine, chemical, aerospace, and high-performance industrial applications.

  • ➤ Range: M3 to M56 / 1/8″ to 2″ in various sizes and lengths.
  • ➤ Form: Hex Bolts, Hex Nuts, Stud Bolts, Washers, Screws, Threaded Rods, U-Bolts and Custom Fasteners.
  • ➤ Available Grades: Titanium Grade 1, Grade 2, Grade 5 (Ti-6Al-4V), Grade 7, Grade 9 and Grade 12 and equivalent grades.
Titanium Fasteners
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