M5 x 0.80p Metric Coarse Zinc Yellow (8mm AF) Hex Phillips Sems Bolt Class 4.6 Low Tensile
$5.50
In stock
SKU
53SEMHP5FSZY_configurable
- Hex Bolt c/w Flat & Spring Washer SEM are a called a SEM because of the bolt combination with a permanently attached washer or set of washers. It is also referred to as captivated washers, screw/bolt-washer assemblies or combi bolts. The word SEMS originates from The Illinois Tool Works Inc., who made machines that produced pre-asSEMbled washers and screws. In spite of the original patents and trademarks, the word SEMS is generally recognised as a generic term applicable to screw and washer assemblies. The washers are installed on the bolt blank before thread rolling. Since the outer diameter of the threads becomes larger than the inner diameter of the washers, the washers are prevented from prising loose from the bolt. It is normally possible for the washer/washers to slide on the non-threaded part of the bolt
- Material / Coating: Zinc Yellow plated refers to the colour of the chromate that is applied after zinc has been applied. Yellow chromate increases the overall protection of the finish. Commonly used in the automotive industry. The coating is intended to be used internally as it only offers an average level of protection against corrosion
- Grade v Class Difference: Imperial fastenings are referred to as grades, and metric fastenings are referred to as classes. Both have marking systems that make it possible to determine grade and class. An example is a ½” UNC bolt with 5 lines on the head is grade 8 and 3 lines is grade 5, both are regarded as high tensile. Metric bolts are slightly different, if it has 4.6 then it is mild steel and 8.8 is high tensile. The markings on a stainless fastener indicate the grade of material and strength, e.g. material G304 grade will have one of the following markings: A2-70, G304, A2, 304 and G316 grade stainless will have one of the following: A4-70, G316, A4, 316
- Thread Pitch (Metric): Pitch means the distance between the peaks of two threads along a screw, bolt, 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
- Fastener length: is generally measured from the point where the surface of the material will be when the fastener is installed to the end of the fastener. Thus, fasteners with heads that sit above the surface are measured from under the head to the end of the fastener, while fasteners that sit flush with the surface are measured from the top of the head to the end of the fastener
- 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
- 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
- Updating our site: If you see any problems with any of our specifications or you require additional information please contact us
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| System of Measurement | Metric |
|---|---|
| Product | SEM Bolt c/w Flat & Spring Washer |
| PRE-Assembled With Washers | M5 Spring & M5 x 10 x 0.8 Flat Washer |
| Head Type | Hex Head |
| 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 | Moderate |
| Class / Grade | Low Tensile Class 4.6 |
| Material | Carbon Steel |
| Finish | Zinc Yellow |
| Length (l) | Select from the dropdown |
| Thread Length (t) | Choose your length to view |
| Product Diameter (d) | 4.82 - 5.00mm |
| Across Flats (af) | 7.73 - 8.00mm |
| Across Corners (ac) | 8.79mm |
| Head Height (h) | 3.47mm |
| Spanner Size | 8mm |
| Drive Type | Hex / Phillips |
| Closest size in imperial | 3/16" |
| Brand | Bolt and Nut Australia |
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