DU-BRO Heavy Duty 4-40 E/Z Connector With Steel Push Nuts
Heavy Duty E/Z Connectors(#489 & 490) come complete with 2 each Steel Connector, 4-40 x 3/16 Socket Head Cap Screw, black snap washer, and push on steel washer. #489 works with .072 / 2-56 rod and #490works with .093" / 4-40rod.
Replacement Washers include 6 plastic and 6 steel washers to reuse our E/Z Connectors. For #121, 489, 605 & 608.