M8 x 1.25p Metric Coarse Mechanically Galvanised Wing Nuts Low Tensile UNI 5448
$9.00
In stock
SKU
41W8MG
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- Wing nuts are one of the only nuts that can be completely tightened or loosened by hand, making them ideal in applications where frequent assembly/disassembly or adjustments are needed. The elongated wings are designed to make the nut operable without the use of tools
- Also known as: Butterfly Nuts, Thumb Nuts
- Material / Coating: Galvanised is a dull greyish colour and can be a little rough in appearance and is mainly used outdoors because of its superior corrosion resistance and proven longevity. Also known as HDG, it is one of the best coatings for protection against rust. Galvanised fasteners have been used across many industries in Australia for over 150 years, roofing, steel buildings, trailers, bridges, fencing, power poles, marina’s, are just a few examples
- 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 - Thread Pitch (Metric): is the distance between the peaks of two threads along a screw, bolt, nut or fastener expressed in millimetres (mm). Used when referring to Metric parts. For example, a thread pitch of 1.50mm means that the distance between one thread and the next is 1.50mm
- 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: are of the product but may not be the actual diameter, height, width, length you may require, always refer to the size in the description and additional specifications data provided prior to ordering
- Updating our site: If you see any problems with any of our specifications or you require additional information please contact us
- 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
- Buy with confidence: ⇒ 10+ years experience selling online, > 19,000 stock lines, > 80 million pieces ex stock in Brisbane QLD
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| System of Measurement | Metric |
|---|---|
| Product | Wing Nut |
| Size | M8 (8mm) |
| Size & Thread Pitch | M8 x 1.25p Coarse |
| Thread Pitch | 1.25mm |
| Thread Direction | Right Hand |
| Thread Type | Metric - Coarse |
| Corrosion Protection Level | Excellent |
| Class / Grade | Low Tensile Class 4.6 |
| Material | Carbon Steel |
| Finish | Mechanically Galvanised |
| Wing Thickness (w) | 4.30 - 5.38mm |
| Nut Height Overall (b) | 13.60 - 15.50mm |
| Wing Span Range (e) | 26.00 - 32.00mm |
| Between Wings (bw) | 8.00 - 8.60mm |
| Boss Diameter (bd) | 12.90 - 14.70mm |
| Boss Height (bh) | 5.10 - 5.70mm |
| Closest size in imperial | 5/16" |
| Standard Made To | UNI 5448 |
| Brand | Hitech Fasteners |
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