Our 556mm bolt is made from SAE 9310 steel and Precision Ground in three critical areas after heat treating to Mil Spec This provides the most accurate fit possible on the center support ring and the bolt tail Grinding the back of the lugs true to the bolt face gives you a bolt that locks up true and square to the center of the bore...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!
Our 556mm bolt is made from SAE 9310 steel and Precision Ground in three critical areas after heat treating to Mil Spec This provides the most accurate fit possible on the center support ring and the bolt tail Grinding the back of the lugs true to the bolt face gives you a bolt that locks up true and square to the center of the boreGet Price
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Compressive strength of rocks PetroWiki Jun 04 2015· Estimating compressive strength General rock failure criterion can be reduced to a few parameters dependent on lithology m and the uniaxial compressive strength C 0Lithology is commonly derived during log analysis so m may be estimated Table 1What is needed still is an initial measure of rock strength provided by C 0Get Price