![]() ![]() Buy Breakaway Sign Post Hardware for U-Channel, Round, and Square Highway Sign Posts. The Single Speed Lightning Bolt shares the same geometry with the other Bolts, but opposed to having vertical or thru axle dropouts it has rear facing. For example, the tfl-502b20-2, ProBoat Zelos 36 & ProBoat UL-19. Breakaway couplers and breakaway bolts for highway sign posts. These nuts are removable, although not re-usable once removed. This is a good replacement for some of the 3mm breakaway screws used in the rudder systems. Standard metric sizes are available by quotation. All the break-off specs are included in the Breakaway Nut Specifications below. The part numbers of these nuts ending in "L" all break off at a low torque of 40-60 inch-pounds which is designed to be secure but will not dimple the sign from too much pressure.Īll other part numbers are for break away nuts with higher torque ratings designed for metal-to-metal or wood fastenings where torque is not a problem. Upon tightening, the hex head shears off, leaving the conical nut base to protect your property. Any system using these bolts meet NCHRP 350, including the Omni direction criteria. Vandal guard tamper proof nuts are available in zinc, aluminum, or steel, and can be installed with regular tools, including socket wrenches. In the 5/16 size, the base of the break away nuts is 5/8" ![]() Vandlgard breakaway nuts are used when the 1" square base of the Tufnut is too broad to fit the fastening surface. ![]()
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