NSC-50-25-SP2 NBK Steel Set Collar with Installation Hole - Set Screw Type - NBK - One Collar Made in JapanNSC 50 25 SP2 NBK Steel Set Collar with Installation Hole Set Screw Type Main body ( SUS304 Steel) Hex Socket Set Screw ( SUSXM7 ) NBK Made in Japan Characteristics: Set collar with installation hole. It can be installed to any machine and device such as wheels, flanges and plates, by using the fixing hole. It is attached to the shaft by the set screws. Part Number d B D S P M* 1 NSC 50 25 SP2 NBK 50mm 25mm 86mm 11mm 68mm M10 Hex socket set screw is