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RAMPA® Made in Germany Threaded Steel Insert, (50 pcs.) with hex Drive 1/4-20 Internal Thread (d), 12mm Diameter (D) X 15mm Length (L) Works Best in All Wood Materials and substrates.

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$32.44

$ 13 .99 $13.99

In Stock

About this item

  • One RAMPA insert can hold up to 1,300 lbs depending on wood substrate
  • Patented thread with special design ensures easy and straighter installation even in hardwoods with a standard hex bit or Allen key
  • Allows for reliable long-lasting connections that can be assembled numerous times without any wear or tear.
  • Ideal for demanding designs; furniture (including live edge) , millwork, cabinetry etc..
  • Technical specifications and dimensions are guaranteed by 100% quality control


Want to build a long-lasting piece of furniture, tree house? Or do you need to fix a worn out fastener? With a RAMPA insert you can be confident that your connection will handle whatever you build. Our patented thread delivers high pull out values (up to 1,300 lbs) depending on your material. With a hex drive for easy installation along with a sealing collar providing a smooth clean appearance. High grade steel provides superior strength and will not break or tear out compared to standard die-cast inserts. Zinc plating provides corrosion resistance for outdoor applications. Ideal for all wood and wood related construction . Recommended pre-drill is 10mm for softwoods & 10.5mm (for hardwoods), recommended to test on scrap piece first for best fit.


Deno
Reviewed in the United States on February 8, 2025
all good
David L. Formenti
Reviewed in the United States on January 14, 2025
The product is very good and is of high quality. However, it comes from Germany and the lead time was very long... ordered placed in beginning November and received the product mid-January.
Myszak
Reviewed in Canada on February 22, 2023
Fantastic quality; external thread is sharp - which prevents splitting and seats the insert well in hardwood, for softwood and particle board I use a drop of Le Page PL400 or some epoxy to remedy the weakness of the surrounding material, nothing wrong with the inserts, but they need something solid to hold on to.Internal thread is just as good, made to the tolerances of a premium nuts, German engineering, I guess.Hex socket used to drive the insert in is also made to specs, this means that good hex drivers I have (De Walt, Ryobi and Husky) fit well, but the cheapos do not.Beware of cheap imitations, initially I bought some Chinese junk, which looked good in the picture, but it was just good enough for the picture - unusable in real life, dull external thread, internal thread out of specs, did not fit the screw; I had to return this excuse for a product. Those inserts solved the problem, they work.Internal threads are so good, that screws can get lose from vibration, I use Locktite blue to prevent it; we are doing wood working with metal machinist tolerances here, so machinists rules apply.
Customer
Reviewed in Canada on July 25, 2022
High quality product. I have bought similar pieces for other manufacturersA far superior item and their website has more options and data to help use the parts
Jaret
Reviewed in Canada on October 9, 2021
Like some inserts, this one did not split as it was being screwed into wood.
Steven Woodward
Reviewed in Canada on April 25, 2021
These are Rampa Type SKD30. Difficult to thread straight, so I drilled a hole in a block of wood and used Amazon ASIN B07R2JDX8Y tool to thread into wood. See photos. Rampa is good quality and work great. Made in Germany.
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