What Are Bolt Head Markings and What Do They Mean? Bolted Joint Industrial Bolt M.s. Nut Bolt Size: All Color: Black Application Types of bolts Artofit Types Of Bolts. Capacities 1 2 to 85 metric tons, grade 6 Working Load Limit and grade '6' permanently shown on every shackle Forged Quenched and Tempered, with alloy pins Hot Dip galvanized or self coloured. (85, 120, and 150 metric ton shackles are all hot dip galvanized bows and the bolts are Dimetcoted and painted red) Sizes 3 8'' and below are mechanically galvanized Fatigue rated (1 2t 55t) Shackles 25t and larger are RFID EQUIPPED Approved for use at 40 C ( 40 degrees F) to 204 C (400 F) Meets or exceeds all requirements of ASME B30. 26 Sizes 1 2 25t meet the performance requirements of EN13889: 2003 Shackles 55 metric tons and smaller can be furnished proof tested with certificate to designated standards, such as ABS, DNV, Lloyds, or other certification when requested at time of order Type Approval certification in accordance with ABS 2016 Steel Vessel Rules and 2016 ABS Guide for Certification of Lifting Appliance available. Certificates available when requested at time of order and may include additional charges All 2150 shackles can meet charpy requirements of 42 Joules (31 ft lbf) avg at 20 C ( 4 F) upon special request Look for the Red Pin . . . the mark of genuine Crosby quality. Suitable For Information This product is not associated with any particular make or model OEM Fitment Information This product is not associated with any particular OEM part number Explore More: Bolts & Nuts Sparex Tractor Parts