Nuts, Bolts, Screws Fasteners & Fixings

Security Fasteners and General Fixings from Stock and to order

Click To Make An Enquiry

Call +44(0) 1902 457734

Twitter Icon Facebook Icon LinkedIn Icon Skype Icon

3-Hole Knock-In Insert Nut (IN18)

SKU: IN18 Categories: ,

3-Hole Knock-In Insert Nuts (IN18) provide the additional confidence offered by a wide collar with three 0.3mm holes. Small nails or screws can be utilised to attach the insert to the wood providing greater security.

There are two lengths available: one measures 10mm in length, has a 25mm collar and an internal blind hole with a standardised thread size of M8. The larger version has an internal thread size of M10, is 12mm in length and has a collar with a diameter of 29mm.

Both of these IN18 3-Hole Knock-In Insert Nuts are treated with a Zinc Plating process which protects them from deterioration due to corrosion. Please see the availability chart below for full specifications.

Available from Fastenright, with non-standard sizes also available to order.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and custom parts made to drawings.


Technical Data & Available Sizes
Diameter L (mm) Thread Diameter b (mm) Steel Zinc Plated
25mm 10 M8 3 Available
29mm 12 M10 3 Available
black icon image = Available
Size not listed? Please make an enquiry – we may be able to provide it.

We use cookies on our website to ensure that we give you the best possible user experience.
If you continue without changing your settings, we'll assume that you are happy to receive all cookies on the Fastenright website. You can read more about removing Cookies here: Privacy Policy

Accept All