RAMPA® Made in DE Threaded Steel Insert (50 pcs.) with hex Drive and Sealing Collar 1/4-20" Internal Thread (d), 12mm Diameter (D) X 18mm Length (L) Works Best in All Wood Materials and substrates

★★★★★ 4.6 34 reviews

$40.04
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Management number 211233234 Release Date 2026/04/04 List Price $16.02 Model Number 211233234
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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 10 (softwoods)-10.5mm (hardwoods), recommended to test on scrap piece first for best fit.

  • 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
UPC 026281769795
Brand RAMPA
Color Brown
Set Name 50
Size Name 18
Metal Type Alloy Steel
Unit Count 50.0 Count
Drive Style External Hex
Item Weight 0.35 Kilograms
Part Number 439618101050
Thread Size 1/4
Thread Type Unified National Coarse
Finish Types Zinc
Grade Rating industrial
Manufacturer RAMPA GmbH & Co.
Thread Class Class 2B
Thread Style Left Hand
Fastener Type Hex
Item Diameter 12 Millimeters
Material Type Alloy Steel, Zinc
Exterior Finish Zinc
Thread Coverage Partially Threaded
Number of Pieces 50
Screw Head Style Hexagonal
Inside Thread Size 1/4 inch
Maximum Shear Strength 0.6 kg or higher
Compatible Groove Diameter 0.48 Inches

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4.6 out of 5
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34 ratings | 14 reviews
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