The 1-3/4" Stainless Steel (303) Remachinable One-Piece Clamp Coupling is designed to connect shafts of different sizes while allowing custom bore machining for greater flexibility. Its one-piece clamp design features a precision-finished bore on one side and a pilot hole on the other, enabling users to machine the bore to the required size while maintaining accurate concentricity. The smooth finished bore provides a secure, non-marring grip with superior holding power compared to set-screw couplings. Stocked in, steel and stainless steel. SPECIFICATIONS DETAILS PART NUMBER 5S112112REM TYPE High Strength DESIGN One-piece clamp design features a precision-finished bore on one side and a pilot hole on the other MATERIAL Stainless Steel (303) offers excellent corrosion resistance, good machinability, and dependable strength for long-lasting performance SERIES Solution ALLOY 303 FINISH Shiny APPROXIMATE WEIGHT 6.97 lb COUNTRY OF ORIGIN USA UPC CODE 662786041341 ROHS2 COMPLIANT Yes REACH COMPLIANT Yes DIMENSIONAL ATTRIBUTES BORE SIZE A 1-3/4 in PILOT HOLE SIZE B 0.485 in MAXIMUM BORE SIZE B 1-3/4 in OUTSIDE DIAMETER 3.000 in TOTAL LENGTH 4.500 in RECESSED SCREW Yes SCREW SIZE 5/16-24 x 1 in SCREW MATERIAL 18-8 Stainless CAPACITIES SCREW SEATING TORQUE 131 in-lb AXIAL HOLD 1440 lbs APPLICATIONS Ideal for custom machinery, automation systems, motion control equipment, prototype development, and precision power transmission applications. BRAND Stafford Manufacturing