The 1" x 1" Steel (Black Oxide) Two-Piece Clamp Rigid Shaft Coupling with Keyway - Low Profile is designed to connect two aligned shafts and make them function as one with zero backlash. Its two-piece clamp design completely separates for convenient assembly, installation, and adjustment, making it easy to position on shafts without removing other components. The standard keyway provides added torque capacity and maintains fixed shaft phasing for reliable power transmission. Precision machined with high clamping power and a non-marring design, it provides secure shaft engagement and dependable performance. Made from steel with a black oxide finish, it offers excellent strength, durability, and wear resistance for demanding applications. SPECIFICATIONS DETAILS PART NUMBER 7L100100FK TYPE Low Profile DESIGN Two-piece design for easy installation, repositioning, and adjustment MATERIAL Steel (Black Oxide) offers a combination of mechanical strength from the steel and surface protection from the black oxide coating SERIES Signature ALLOY 1215 FINISH Black Oxide APPROXIMATE WEIGHT 1.25 lb COUNTRY OF ORIGIN USA UPC CODE 662786017964 ROHS2 COMPLIANT Yes REACH COMPLIANT Yes DIMENSIONAL ATTRIBUTES BORE SIZE A 1 in KEYWAY A 1/4 in BORE SIZE B 1 in KEYWAY B 0.25 in OUTSIDE DIAMETER 1.750 in TOTAL LENGTH 3.000 in RECESSED SCREW No SCREW SIZE 1/4-28 x 5/8 in SCREW MATERIAL Alloy Steel CAPACITIES SCREW SEATING TORQUE 162 in-lb AXIAL HOLD 2125 lb APPLICATIONS Ideal for machinery, automation equipment, conveyors, motion-control systems, and power transmission systems BRAND Stafford Manufacturing