M3 x 20mm (L) x 3.85mm (D) Metric Coarse Stainless A4-70 G316 Countersunk Post Head Phillips (PH2) Barrel Nut / Anchor
$8.00
In stock
SKU
41BNCPS320M
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- Countersunk Head Phillips Barrel Nuts are internally threaded with a phillips drive ideal for clamping where both sides are visible or to convert standard sleeve anchors to a countersunk sleeve anchor. The nut completely encloses the thread, giving it a neat safe finish. Industries where it is extremely popular are playground equipment, architectural joinery which features glass, steel and timber materials using a channel design in overhead or vertical panels
- Also known as: Interscrews, Chicago Screws
- 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. Due to cosmetic reasons Barrel nuts 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: 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 | Metric |
|---|---|
| Product | Countersunk Phillips Post Anchor Barrel Nut |
| Head Type | Countersunk Head |
| Size | M3 (3mm) |
| Size & Thread Pitch | M3 x 0.50p Coarse |
| Thread Pitch | 0.50mm |
| Thread Direction | Right Hand |
| Thread Type | Metric - Coarse |
| Corrosion Protection Level | Ultimate |
| Class / Grade | A4-70 G316 |
| Material | Stainless Steel |
| Thread Length (t) | 8.00mm |
| Head Diameter (a) | 7.35 - 7.55mm |
| Body Diameter (n) | 3.80 - 3.90mm |
| Head Height (h) | 1.70 - 1.80mm |
| Nut Height Overall (b) | 20.00mm |
| Barrel Length (l) | 18.10mm |
| Drive Size | PH2 |
| Drive Type | Phillips |
| Closest size in imperial | 1/8" |
| Brand | Inox World |