Embedded Files
Embedded bolts with nuts (size M22×175)—often referred to as insert bolts, anchor bolts, or foundation bolts—are high-strength industrial fasteners permanently cast into concrete structures or sleeper blocks during manufacturing or pouring. They provide a rock-solid, externally threaded connection point for anchoring heavy machinery, structural steel beams, or transit track assemblies.
Technical Specifications and Standards
· Dimensions: A thread diameter of 22 mm (nominal size M22) with an overall structural length of 175 mm.
· Standard Thread Pitch: Usually utilizes a standard coarse thread pitch of 2.5 mm.
· Material Grades: Typically manufactured using quenched carbon steel or hardened alloy steel to meet high-strength criteria, such as Class 8.8 or Class 10.9.
Heavy-Duty Assembly Components
Standard Set: Consists of the embedded bolt and a matching M22 hex nut.
· Heavy Dynamic Set: Includes the bolt, nut, and a specialized flat or spring washer (complying with DSTU EN ISO 7089) designed to handle heavy vibrations from rolling rail traffic or pulsating industrial machinery, preventing the nut from backing off.
Request a Quote for Custom M22×175 Rail Bolts
Signum is a trusted supplier of high-quality railway fasteners. We provide premium rail joint bolts with nuts in standard sizes or tailored specifically to your project requirements and technical drawings.
Contact Signum today for a fast, competitive quote on your project.
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