Used with various heavy-duty quarter-turn fasteners, these full stainless receptacles are useful where there is only a rough hole spacing for mounting. They feature a floating slider which extends the tolerance range of the mounting hole spacing 1 mm to the left and to the right. Compatible with specific QCTHS and QCTHSA heavy-duty fasteners that are listed on the Specifications sheet linked on page. Made from stainless steel. Pin is quenched and tempered. Supplied with four stainless steel socket head cap screws.