The 3-1/4" Stainless Steel (303) Shaft Collar with Set Screw - USA-Made is designed for simple and economical shaft positioning on standard round shafts. Precision-machined from 303 stainless steel, it uses a set screw to secure the collar to the shaft, providing a cost-effective solution for applications where frequent adjustment is not required. The stainless steel construction offers excellent corrosion resistance and durability for demanding environments. Stocked In: Steel (Plain), Steel (Black Oxide), Steel (Zinc Plated), Stainless Steel SPECIFICATIONS DETAILS PART NUMBER 6S304 TYPE Premium DESIGN Set screw design offers a simple method of shaft retention and making it ideal for permanent or infrequently adjusted installations. MATERIAL Stainless Steel (303) construction provides excellent corrosion resistance, strength, and durability. APPROXIMATE WEIGHT 1.91 ALLOY 303 FINISH Shiny SERIES Signature COUNTRY ORIGIN USA UPC CODE 662786010576 ROHS2 COMPLIANT Yes REACH COMPLIANT Yes DIMENSIONAL ATTRIBUTES BORE SIZE 3-1/4 in OUTSIDE DIAMETER 4.250 in WIDTH 1.125 in SCREW SIZE 1/2-13 x 5/8 in SCREW MATERIAL 18-8 Stainless Steel APPLICATIONS Ideal for Power Transmission, Industrial Machinery, Conveyors, Robotics, Shaft Positioning, Shaft Retention, Automation, Motion Control, Machine Building BRAND Stafford Manufacturing Shaft Collar Basics Video