![]() 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. diameter, this hitch pin is ideal for out-of-the-ordinary applications. Increased security over a standard hitch pin. Keep your hitch mount secure with a CountyLine 3/4 in. Read more about friction shear joints on the bottom of page 4, same paper as above. New Holland 1-1/4 x 7 Grade 8 Hitch Pin Part 87298047 Description Additional information Reviews Related products New Holland Hairpin 5/32 D x 2-15/16. 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. Shear strength is directly related to tensile strength as discussed in the paper above (shear =. JRS Farmparts (Eastman Industries Limited) Ludhiana C-87, Phase V, Focal Point, Ludhiana - 141010, Dist. Model Name/Number: Orange Hitch Pin with R Pin. Grade whatever will bend and break before Gr8 even starts to bend, much less break. Find here Hitch Pins, Head Forged Hitch Pins manufacturers. Made in the USA with same-day shipping, clear zinc and stainless steel options. Buy Hitch Pin, 5/8 In x 4 In: Hitch Clips & Pins - FREE DELIVERY possible on eligible purchases. Read Table 1 and the "What Grade" discussion bottom of page 8 here: DESIGN YOUR OWN STILL LOOKING FOR MORE GET IN TOUCH WITH US Contact Us Miller Products has many non-threaded fasteners including Hitch Pins. Gr8 is 130-150KSI, the only numbers I see on a HP is 36ksi from a page in McMasters. This is a type A key, which makes it a spring-loaded, seven-pin high-security key. People have the highest breaking strength rating of any of of pins Ive found, where the manufacturer lists those numbers.Im noticing farm power shops with Grade 8. The 5/8-inch pin fits all Class III, IV, and V receiver hitches and fits up to a 2.75-inch span. Grade 8 is stronger than the grade whatever standard hitch pin. Im definitely not an ME accordingly please bearings with me.A well known supplier touts their stainless 303 fasten pins and even rate them. The four advantages to using Grade 8 bolt vs.
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