Ads
related to: 3 4 inch hitch pin
Search results
Results From The WOW.Com Content Network
An R-clip, also known as an R-pin, R-key, hairpin cotter pin, [1] hairpin cotter, [2] bridge pin, [2] hitch pin clip [3] [4] or spring cotter pin, [5] is a fastener made of a durable but flexible material, commonly hardened metal wire, resembling the shape of the letter "R".
The trailer hitch ball attaches to a ball mount; with a diameter typically 1 ⁄ 16 inch (1.6 mm) larger than the ball bolt/shank diameter. [2] The ball mount must match the SAE hitch class. [3] The ballmount for a receiver-type hitch is a square bar that fits into a receiver attached to the vehicle.
The word is first attested in the late fourteenth century and derives from Middle English elements meaning "axletree pin". [1] [2] Securing implements onto the three-point hitch of a tractor is an example of application. Linchpins may also be used in place of an R-clip for securing hitch pins. [3]
At 2,500 pounds (1.1 t), the 9N could plow more than 12 acres (4.9 hectares) in a normal day pulling two 14-inch (360 mm) plows, [3] outperforming the tractive performance of the heavier and more expensive Farmall F-30 model. [3] The hitch's utility and simplicity have since made it an industry standard.
Later WABCO would create a new model N-3 for the BART system with a 6-by-4-inch (152.4 mm × 101.6 mm) gathering range which required a rectangular funnel. The WABCO N-type is sometimes referred to as the pin and cup coupler or spear coupler.
Square head cap screws up to and including 3 ⁄ 4 inch (19.05 mm) have a head 1 ⁄ 8 inch (3.175 mm) larger than the shank; screws larger than 3 ⁄ 4 inch (19.05 mm) have a head 1 ⁄ 4 inch (6.35 mm) larger than the shank. [9] In 1919, Dyke defined them as screws that are threaded all the way to the head. [10] socket screw