Fasteners Fittings
Nuts
Industrial-grade Nuts designed for secure bolted connections, reliable fastening and dependable performance across structural, mechanical, process and general engineering applications.
Product Type:
Nuts / Hex Nuts / Square Nuts / Coupling Nuts
Size Range:
M3 to M56 | 3/6" to 4" | Custom Sizes
Standards:
DIN, ASTM, BS & applicable International Standards
Length:
3 mm to 200 mm
Application:
Industrial, Structural & Engineering Applications
About This Product
Nuts
GS MetalFit manufactures and supplies Nuts used with threaded fasteners to create secure and removable mechanical connections. Nuts are available in various shapes, sizes and configurations to match different bolt types and fastening requirements.
Our product range includes hex nuts, square nuts, hexagon thin nuts, coupling nuts, domed cap nuts, lock nuts and other specialized configurations. Products can be supplied in standard and customized dimensions according to customer drawings, applicable standards and project requirements.
GS MetalFit offers Nuts in stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloys and copper-nickel materials. Different sizes, configurations, thread arrangements and material grades can be supplied depending on the application.
Technical Specifications
Materials & Grades
Stainless Steel Nuts
AISI 302, 304, 304L, 316, 316L, 310, 317, 317L, 321, 347, 410, 420 and 904L grades are available according to specified product and project requirements.
Duplex & Super Duplex Steel Nuts
Applicable ASTM / ASME grades including UNS S31803, S32205, S31254, S31550, S32750 and S32760.
Carbon Steel Nuts
ASTM A307 and applicable ASTM A193 grades can be supplied according to specified requirements.
Alloy Steel Nuts
Applicable ASTM / ASME A193 / A194 grades including B6, B7, B7M, B16, Grade 2, 2HM, 2H and Grade 6, according to project requirements.
Nickel Alloy Nuts
Applicable ASTM / ASME nickel alloy specifications including SB336, SB564, SB160, SB163 and SB472. Available grades include Nickel 200, Nickel 201, Monel 400, Alloy 20, Inconel 825, Inconel 600, Inconel 601, Inconel 625 and Hastelloy C276.
Copper & Copper-Nickel Alloy Nuts
Applicable ASTM / ASME SB111 and SB466 materials including UNS C10100, C10200, C10300, C10800, C12000, C12200, C70600 and C71500. Copper-Nickel grades include Cu-Ni 90/10 and Cu-Ni 70/30.
Applications
Industrial Equipment
Structural Applications
Construction & Fabrication
Process Equipment
Oil & Gas
Chemical & Petrochemical
Power Generation
Marine & Offshore
General Engineering
Machinery & Equipment Assembly
Why Choose GS MetalFit?
Wide Material Range
Stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloys and copper-nickel materials.
Multiple Nut Configurations
Hex, square, coupling, lock, cap, flange, wing and specialized nut types.
Wide Size Range
M3 to M56 with custom sizes available according to requirements.
Standard & Custom Requirements
Products can be supplied according to applicable standards, drawings and project specifications.
Industrial Applications
Suitable for structural, mechanical, process, construction and general engineering requirements.