0S1565 Bolt for Caterpillar Equipment

0S1565 is a steel hex-head bolt used with Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bolt has a 5/8-18 inch thread and a nominal length of 2 1/8 inches. The available product data identifies the part for Caterpillar equipment but does not specify individual machine models or series; compatibility should therefore be confirmed by the equipment parts documentation and the required part number.

Cross-reference numbers

• 0S1565
• 0S-1565

Specifications

The 5/8-18 designation identifies the thread diameter and pitch in inch units: the nominal thread size is 5/8 inch, with 18 threads per inch. The specified bolt length is 2 1/8 inches, while the listed overall package dimensions are 6.7 cm in length, 2.7 cm in width, and 2.7 cm in depth.

The fastener is specified as steel manufactured to SAE J429 Grade 8. The six radial lines on the head correspond to the listed head marking, and the stated ultimate tensile strength is 150 ksi. The hex-head configuration, 0.48-inch head height, 1.19-inch handle thickness, and 1-inch connecting square are the recorded dimensional characteristics of this part.

The supplied information does not define the exact installation position, assembly location, included hardware, or a model-specific Caterpillar fitment list. The part number and thread, length, and head specifications should be checked against the service parts information for the machine being repaired.