7/16" x 20 TPI UNF Fine Zinc Grade C Hex Conelock Nuts High Tensile IFI100-107 Grade C
$6.00
In stock
SKU
41CLF716
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- Hex Conelock nuts have a conical top and a flat bottom bearing surface with chamfered corners. The locking action, created by distortion of their top threads, is said to be capable of withstanding severe vibration and shock loads. Since they are top locking and only the bottom surface is flat, conelock nuts are considered one way lock nuts because they are installed one way—top up. Being all-metal, they are not subject to the temperature and chemical limitations of non-metallic (such as nylon) insert type lock nuts. Used in the automotive, agricultural equipment and metalworking industries, their cone shape allows for proper orientation during automated assembly making them popular for high volume applications
- Using a Conelock: Conelocks are a locking nut, they will wind on freely until they hit the triangular cone shape top with the dots, then a tool is required to tighten nut
- Also known as: Prevailing Torque Lock Nuts, Stover Nuts, Grade C Lock Nuts, Automation Lock Nuts, Autolock Nuts, Crownlock Nuts, Unitorque Nuts
- Material / Coating: Zinc Plated is the most common fastener of plating due to its the low cost and shinny bright silver finish. A thin layer of zinc is applied by either electroplating or mechanically. It is intended to be used internally. Whilst some people use it externally it isnt recommended if corrosion is a concern. If you want a fastener that will withstand the outdoor elements choose from our Stainless steel range
- Galling: can occur when excessive pressure is used to tighten a nut onto a thread, common with stainless fasteners but can also be an issue with other materials. Fasteners with damaged or fine threads are particularly prone to galling.
Some suggestions to help prevent thread galling:
Tightening the nut more slowly without excessive pressure, will frequently reduce or sometimes solve completely, the problem. As the installation RPM speed increases, the heat generated with friction during tightening escalates the chances of thread galling.
Reduce the friction by applying a suitable lubricant to the thread frequently eliminates thread galling. Typical lubricants are chloride-paraffine, molykoat lacquer, molybdenum disulphide, high pressure oil, graphite, mica, or talc, some assemblies where there is extreme pressure, corrosion resistant grease or waxes may also be effective - What does TPI stand for?: TPI stands for “threads per inch” which literally means the number of threads within each inch on a nut, a bolt, or a fastener. To determine the TPI of a nut, either count the number of threads contained within an inch of length on the male fastener or use a thread checker. If the male fastener is less than an inch, measure 1/2", count how many there are then multiply the number by 2
- Measurements: Every effort has been made to ensure all measurements on our site are accurate and to the relevant standard, they should only be used as a guide. If you see a problem with our specifications please contact us
- Dimensions: Our stock is sourced from various suppliers, therefore differences may exist between batches such as height, width, visible stamped markings, appearance or actual finish
- Photos: Represent the product, not the size. Our title has industry sizing but if additional information is required refer to the CAD drawing, Specifications Table or Technical Specifications PDF
- Updating our site: If you see any problems with any of our specifications or you require additional information please contact us
- PDF data sheet: PDF data sheets are provided as a reference guide only. Specifications may change without notice
- Disclaimer: Technical data and specifications were researched and compiled from numerous industry sources for the sole purpose of providing basic information. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person, and Bolt and Nut Australia is not responsible for any loss, claim or damages arising therefrom. In developing this information, Bolt and Nut Australia has made a determined effort to present it accurately
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| System of Measurement | Imperial |
|---|---|
| Product | Conelock Nut |
| Size | 7/16" |
| Size & Thread Pitch | 7/16" x 20 TPI UNF |
| Thread Pitch | 20 TPI |
| Thread Direction | Right Hand |
| Thread Type | UNF - Fine |
| Corrosion Protection Level | Moderate |
| Class / Grade | High Tensile Grade C |
| Material | Carbon Steel |
| Finish | Zinc Plated |
| Across Flats (af) | 0.675 - 0.688" (17.15 - 17.48mm) |
| Across Corners (ac) | 0.768 - 0.794" (19.51 - 20.17mm) |
| Nut Height Overall (b) | 9.00 - 10.00mm |
| Hex Height (h) | 0.223" (5.67mm) |
| Spanner Size | 11/16" |
| Closest size in mm | M11 (11mm) |
| Standard Made To | IFI100-107 Grade C |
| Brand | Hobson Engineering |
| Alternative Brands | Brighton Best |
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