pump controller, W/ retransmission of input, 4 to 20 mA pump controller, with retransmission of input, 4 to 20 mA, and RS-485 Modbus® RTU serial communications.Series MPC Jr.
They are ideal for use on decks since installation can be accomplished without having access to both ends of the fastener, as opposed to standard hex bolts that require a nut on the opposite end. Hex Lag Screw 5/16in X 4in A307 Grade A Hot Dip Galvanized Steel 50PK Size: 5/16 inch X 4 inchHeavy duty wood screw with 6 sided hex bolt headFeatures deep wood screw threads and does not accept a nutUsed in applications where standard wood screws cannot support the load (deck building, etc.Lag screw bolts are used in place of standard wood screws whenever the mounting surface must bear a heavy load.