4BA x 0.66p British Association Hex Brass Hex Standard Nuts Low Tensile BS57
$6.00
In stock
SKU
41B4BA
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- Hex Standard full nuts are the most common nuts available and are used with anchors, bolts, screws, studs, threaded rods and on any other fastener that has external screw threads. Hex is short for hexagon, which means they have six sides
- Also known as: Hexagonal Full Nuts, Standard Hex Nuts, Finished Hex Nuts
- Material / Coating: Brass fasteners are used for their physical and aesthetic properties. Brass is utilised due to its high thermal conductivity and corrosion resistant properties. It is suitable for use in hot and cold environments, and resistant to water corrosion, making it a staple of industries such as heating and plumbing
- 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
- 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
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| System of Measurement | Imperial |
|---|---|
| Product | Standard Full Nut |
| Size | 4BA |
| Size & Thread Pitch | 4BA x 0.66p Coarse |
| Thread Pitch | 0.66mm |
| Thread Direction | Right Hand |
| Thread Type | BA |
| Corrosion Protection Level | Ultimate |
| Class / Grade | Low Tensile Grade 2 |
| Material | Solid Brass |
| Across Flats (af) | 0.241 - 0.251" (6.12 - 6.37mm) |
| Across Corners (ac) | 0.275 - 0.289" (6.99 - 7.35mm) |
| Nut Height Overall (b) | 0.125 - 0.135" (3.18 - 3.43mm) |
| Spanner Size | 1/4" |
| Closest size in imperial | #6 |
| Standard Made To | BS57 |
| Brand | Hitech Fasteners |
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