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3/8" x 1.25" coarse-threaded shoulder screw engineered for precision fastening applications requiring exact positioning and load distribution. The shoulder design provides a smooth, non-threaded bearing surface that maintains consistent spacing between components while the coarse thread pitch delivers rapid assembly and superior holding power in softer materials. Ideal for machinery, fixtures, and assemblies where alignment and repeatability are critical. Grade 8 construction ensures reliable performance under demanding conditions.