Mack King Pin & Thrust Adjusting Screw Socket(0) No Reviews yet $229.00 Quantity discounts available QuantityPrice SKU: J5053 This item is ON BACKORDER Quantity -+ Add to Cart Details Mack King Pin thrust Bearing Adjusting Screw SocketMack truck king pin and thrust bearing service is made easier with this 1/2" drive four lug socket... Details Back DetailsMack King Pin thrust Bearing Adjusting Screw SocketMack truck king pin and thrust bearing service is made easier with this 1/2" drive four lug socket.Precisely fits the slotted adjusting screw on most Mack front axles with tapered king pins.12000Ib through to 20000I. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review