Purlin Clamp

The Purlin Clamp is perfect for installing almost anything to bar joists, purlins and I-beams up to 1" thick. A 1/2"-13 × 2.5-inch fully threaded square head set screw is provided for locking onto the structural member. A 1/2"-13 × 1-inch grade 5 Hex Head Bolt is supplied to connect the load. Or use a 1/2"-13 tpi threaded rod to support a load at any length. The Purlin Clamp has Micro-grooves for a secure connection to beam. The 1/2" fastener Purlin Clamp body is extruded from aircraft grade aluminum and is 1" thick. 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. A 3/8"-16 × 1-inch grade 5 Hex Head Bolt is supplied to connect the load. Or use a 3/8"-16 tpi threaded rod to support a load at any length. Working Load Limit 500 lbs. for 1/2" and 300 lbs. for 3/8" Hardware 1/2 × 2-1/2" Square Head Set Screw or 3/8 × 2-1/2" Square Head Set Screw .5 × 1-inch Hex Head Cap Screw 1" Belleville Washer Dimensions 3 3/8-inch × 3 7/8" Weight 0.70 lb.