All McKissick® and Lebus® snatch blocks with a sheave diameter greater than 4 ½ inches and larger come with RFID chips to help streamline and automate the inspection process. Blocks and Attributes in AutoCAD -Complete Tutorial.AutoCAD 2023 TutorialsAutoCAD Block CreationBlock InsertionEdit BlockRedefine BlockAutoCAD Attributes Cre. The same patented system retains the end fitting connection bolt when the snatch block is in the open position to help avoid the loss of snatch block parts. It normally consists of two threaded eyelets, one screwed into each end of a small metal loop, one with a left-hand thread and the other with a right-hand thread. McKissick® and Lebus® snatch blocks are also designed to incorporate a secondary securement system to retain the end fitting connection bolt when the block is in a closed position. Small turnbuckle (80 mm) A turnbuckle, stretching screw or bottlescrew is a device for adjusting the tension or length of ropes, cables, tie rods, and other tensioning systems. Sheaves for McKissick® and Lebus® snatch blocks have a machine formed groove, and McKissick® blocks include a special high performance lock nut on the no movable side plate for securing the sheave pin. Their snatch blocks are of all steel construction, and are fatigue rated, and designed to meet the new Euronorm Standards of 20,000 cycles at 1 ½ times their working load limit. McKissick® and Lebus® snatch blocks are dual rated to meet the requirements of both short tons and metric tons. Sheave diameters available are 3-1/2' to 24' with capacities from 2 to 30 tons. Snatch Block models come in Light Champion, Champion and Super Champion styles. Delta Rigging and Tools stocks McKissick® and Lebus® Snatch Blocks, preferred on rigging jobs because of their proven performance in demanding conditions.
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