Primary Jaw Crushers Details of our Primary Jaw Crushers Frame He/Sheavy-duty design Steel plate welded construction Our Companylded by C02 shield arc process M I G welded Stress relieved after fabrication through the heat treatmenst process to reduce the chance of the body getting cracked Crushing Chamber Deep crushing chamber Sharp nip angle 20 to 25 ensures high crushing capacity Swing Jaw Lever Allows removal from frame as an integral sub-assembly Permits onsite substitution of a changeover unit in the event of bearing damage Swing Jaw are a robust steel casting with fully machined face to support swing jaw plate