113S011208-2E Bolts E-bolts suitable for mechanized mining scraper conveyor, a coal mining equipment in the common parts, and supporting the use of mechanized mining scraper, sometimes substitute E-bolts with T-bolts and beams, both have the same effect. Bolt performance rating of meaning: steel bolted performance rating 3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9 more than 10 levels, including 8.8 and above is made of carbon steel bolts or carbon steel and heat treatment (quenching and tempering), commonly known as high strength bolts, and the rest is known as ordinary bolts. Bolt performance rating label has two parts numbers, respectively, said male bolt material tensile strength and yield strength ratio. E-bolt type total length center distance mm 113S 315 137 3TY-06 265 120 99S 290 175 3TY-02 280 130 90S 270 120 Northwest Benniu company supplies Shanxi Coal Zhangjiakou Coal Mining Machinery console accessories production of various models e-Bolts 90s 113s 134s 3TY-06 3TY-02113S011208-2 134S011609-2 E-Bolt Bolt performance rating is the meaning of international standard, the same performance level of the bolt, the difference between the material and the origin of matter, its performance is the same design only selection of performance levels can be. The company referred to as: Histon mining Address: West Zone Zoucheng outer Ring Road on the 1st