grade 56 bolts used in cement mill
Grade 5 6 Bolts Used In Cement Mill. Grade 5 6 Bolts Used In Cement Mill Standard Specification for Anchor Bolts, Steel, 36, 55, and15 The recommended grade and style of nut and washer are included in 66 and 67 for each grade 16 This specification does not cover the requirements for mechanical expansion anchors,.