Haiyan Hager Fastener Co., Ltd. |
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Stud Bolt ASTM A193 Grade B8 B8M "Thread to Thread" Class 2A
Competitive prices with professional factory supply. Perfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection. Common chioce for fastening, which provide high tensile, offering high holding power and corrosion resistance and don't need any coating. Durability testing and critical technical design to enhance fasteners lifetime. Competitive prices with professional factory supply. Perfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection.
Tempering temperature 750℃
The mechanical performance of the product shall meet the following standards, and the specification is less than or equal to 2-1 / 2 inches Tempering temperature 750℃
SAMPLE NUT AFTER HEAT:TREATMENT 590℃/24HR/HRB MIN 89
PROOF LOAD (USING THREADED MANDREL)
HARDNESS TEST COMPLETED NUTS HB 159-235
CHARPY V NOTCH IMPACT VALUE (J) -73℃