PH Multi-Purpose Purlin Clamp

Self Drilling Screw, 12-24 Thread Size, Steel, 1 1/4 In Lg., Climaseal, 5/16 In Drive Size Working Load Limit PCB1/2 375lbs. The 1/2 fastener Purlin Clamp body is extruded from aircraft grade aluminum and is 1 thick, -HD is 1., 5 thick. Light Source Purlin Clamp - 3/8in Fasteners - Black Anodized. $13.40. Add to Cart. Light Source Purlin Clamp - 1/2in. Fasteners - Aluminum Finish - Light... I Beam Clamp PH Multi-Purpose Purlin Clamp Ibeam Clamp Hardware 1/2 x 2-1/2 Square Head Set Screw or 3/8 x 2-1/2 Square Head Set Screw . The Purlin Clamp is perfect for installing almost anything to bar joists, purlins and I-beams up to 1" thick. The Purlin Clamp has 3/8"-16 tpi fasteners The 3/8 fastener Purlin Clamp body is extruded from aircraft grade aluminum and is 5/8 thick, -HD is 1 thick. These are NOT the HD versions. The 1/2 fastener Purlin Clamp body is extruded from aircraft grade aluminum and is 1 thick. NOTE: In November 2024, the Light Source made a more conservative change in the PC line load ratings and added the -HD for a heavy duty clamp. The Purlin Clamp is also available with 3/8-16 tpi fasteners., 3/8-16 tpi x 2., 5 fully threaded square head set screw is provided for locking onto the structural member. Or use a 1/2-13 TPI threaded rod to support a load at any length. Or use a 3/8-16 tpi threaded rod to support a load at any length. The Purlin Clamp has Micro-grooves for a secure connection to beam.