Grade 8 hitch pins2/13/2024 ![]() I do size my Gr8 so that shear forces are on the main bolt diameter and not on the threads, so I have that covered also. However, it has less security than a locking pin, since it does only take wrenches to take the bolt and nut off and then the hitch bar. Unless thieves come with 15/16" wrenches or maybe a couple of crescent wrenches, the bolt isn't coming off vs. ![]() Increased security over a standard hitch pin. Get Grade 8 Hitch Pins in Vasant Kunj, New Delhi, Delhi at best price by V. Pins lock in place until you push the button to release the spring-loaded retaining balls. Spin the handle up or down, then tighten the locknut to change the length by up to ½. These pins adjust to take up play in a system or hold parts in holes of varying thicknesses. Read more about friction shear joints on the bottom of page 4, same paper as above. Adjustable-Length Locking Quick-Release Pins. A friction shear joint is created due to torquing the Gr8 bolt down to at least 150 ft-lbs, while a standard hitch pin or locking pin provide zero friction shear strength. ![]() It includes a retaining pin and features a heavy duty construction. Shear strength is directly related to tensile strength as discussed in the paper above (shear =. The stainless steel Trailer Pin is designed to fit a square receiver hitch. Grade whatever will bend and break before Gr8 even starts to bend, much less break. Read Table 1 and the "What Grade" discussion bottom of page 8 here: Ideally would find a 9/16 pin of some sort in grade 8, but im not sure something like that. I found a grade 8 5/8圆' Hitch Pin, but if i had to guess my threads are going to throw me off. I believe the pin is a 5/8圆' threaded bolt. Gr8 is 130-150KSI, the only numbers I see on a HP is 36ksi from a page in McMasters. Been trying to find like Grade 8 Hitch Pin or Clevis Pin close to size. the same size pins are used in Class 3, 4 and 5 receivers so I would not be too concerned about getting a higher grade unit especially for an Outback. Grade 8 is stronger than the grade whatever standard hitch pin. Securely attach wagons and other implements with any one of our Grade 8 Blue Handle Hitch Pins. The four advantages to using Grade 8 bolt vs.
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