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The VALUE COLLECTION R57900613 is a slotted spring pin designed for secure fastening in mechanical assemblies that require a resilient, compressible retention solution. Manufactured from 1070-1080 grade carbon steel with a plain finish, this pin measures 18 mm in length and 3.50 mm in diameter. The slotted design allows the pin to compress during insertion and exert outward radial force against the bore wall, creating a firm, vibration-resistant fit without the need for additional locking hardware. Millwrights, machine technicians, and maintenance professionals install this type of fastener across a wide range of light to medium-duty mechanical applications.
This slotted spring pin is suited for metric-dimensioned assemblies in manufacturing, agricultural equipment, material handling, and general industrial machinery. Its 3.50 mm diameter and 18 mm length make it appropriate for shaft-to-hub connections, linkage pins, and hinge pivot points where a removable yet secure pin is required. The plain finish is standard for interior or protected environments where corrosion exposure is minimal.
Designed as a standard metric slotted spring pin for use in mechanical assemblies requiring a 3.50 mm bore diameter and 18 mm pin length; does not meet military specifications.
Installation is performed using a pin punch and hammer or an arbor press sized to the pin diameter. Always ensure the receiving bore is clean and free of burrs before driving the pin to avoid deformation of the slotted body. Disengage all energy sources and secure moving components before servicing any assembly containing spring pins. Refer to applicable machinery safety standards for lockout-tagout requirements prior to disassembly or reassembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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