Abstract: A connector for an elongate member in frame structures such as seating, scaffolding and the like, in which an elongate member is removably secured to another member to extend therefrom in selected angular relation. The connector includes a lug on one member and extending therefrom and shaped to be received inside of a tubular end of a second member with the lug and a partition in the second member having facing surfaces at an angle to a line on which the second member extends from the first member with fastening means drawing the partition toward the lug to clamp the adjacent end of the second member to the first member, the tubular portion of the second member having an opening adjacent the fastening member for access thereto, the engagement of the second member with the lug and first member and the relation of the partition to the lug cooperating to orient and fix the second member relative to the first member.