M5 x 0.80p Metric Coarse Stainless A4-70 G316 Square Nut DIN 557
$6.00
In stock
SKU
41SQS5M
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- Square chamfered nuts are a robust solution to fastening applications. With four broad sides, the nut can be easily gripped by pliers or spanners, with less chance of rounding off the bolt when tightening of loosening. They also retain a great level of surface pressure against the surface they are fastening against, which can help prevent unwanted loosening. Four-sided square nuts may be easier to grip than alternatives in certain situations, but they have disadvantages over a hex bolt as in there are less accessible angles in which to grip the nut
- Material / Coating: Marine Grade Stainless Steel A4-70 G316 is the ultimate corrosion resistance fastener. Designed to be used in all conditions. It is the best material to use in marine, coastal, chemical and food environments. Stainless steels are largely non-magnetic, but it is not uncommon for some stainless steel fasteners to show a small degree of magnetism. This is partly due to the manufacturing process. Marine Grade Stainless Steel A4-70 G316 can be easily identified by the following markings: A4, A4-70, A4-80, 316 or G316. Small sized washers are generally not stamped
- Can Stainless corrode?: Stainless steel is corrosion-resistant but not corrosion-proof and corrosion can occur if the material is installed or handled incorrectly. The use of tools and drills made from conventional steel during the installation of stainless steel fasteners may also lead to problems. Even the hardest of tools can produce debris that leaves minute steel particles on the stainless steel fastener surfaces or in pre-drilled holes. It is these particles that often rust when exposed to moisture or oxygen and can result in a stained or tarnished finish to the stainless steel material
- 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
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| System of Measurement | Metric |
|---|---|
| Product | Chamfered Square Nut |
| Size | M5 (5mm) |
| Size & Thread Pitch | M5 x 0.80p Coarse |
| Thread Pitch | 0.80mm |
| Thread Direction | Right Hand |
| Thread Type | Metric - Coarse |
| Corrosion Protection Level | Ultimate |
| Class / Grade | A4-70 G316 |
| Material | Stainless Steel |
| Outside x Outside Guide | 8.00 x 8.00mm |
| Across Flats (af) | 7.57 - 8.00mm |
| Across Corners (ac) | 11.00 - 11.30mm |
| Nut Height Overall (b) | 3.52 - 4.00mm |
| Spanner Size | 8mm |
| Closest size in imperial | 3/16" |
| Standard Made To | DIN557 |
| Brand | Inox World |