Steel Mart offers Bolt Type Bow Shackle. Steel Mart is an ISO 9001-2000 certified company. This Bolt Type Bow Shackle has Working Load Limit permanently shown on every shackle. They come as Forged - Quenched and Tempered, with alloy pins. Capacities are 1/3 thru 150 tons. The maximum proof load of this Bolt Type Bow Shackle is 2 times the working load limit. Breaking load is 6 times the working load limit. These products are furnished with round head bolts and welded handle.