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3/4" Split Lock Washers - $6 (Ronkonkoma)
856 Johnson Ave
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Design: Split helical coil with tapered ends for axial compression; wide series (heavy-duty) with sharper edges for aggressive bite into mating surfaces.
Material and Finish: Low-carbon spring steel with zinc plating for moderate corrosion resistance (indoor/outdoor dry-to-humid; meets ASTM F436 for locking washers).
Standards Compliance: USS (United States Standard) heavy pattern; RoHS compliant; provides 360° contact for even tension.
Applications: Locking nuts/bolts in vibration-prone setups (e.g., machinery, automotive suspensions, structural frames); prevents self-loosening in high-torque joints.