KEEP-NUT®: A Revolutionary Press-In Anchor for Countertop Fabrication

 by Matthew Woolf

Reading Time: 3 minutes

KEEP-NUT® by Specialinsert is a revolutionary press-in anchor insert used for several countertop fabrication applications, including undermount sink installation and cladding. These small inserts are designed to be used on a wide range of surfaces, including natural stone, sintered stone and solid surface materials.

Shop KEEP-NUT® at Chemical Concepts

Available in the US only from Chemical Concepts

Specialinsert® Bonding Fasteners

Specialinsert® is a true pioneer in the fasteners industry – with decades of experience creating new and innovative products for a wide range of applications.

Chemical Concepts is proud to supply a wide range of their products – including the innovative KEEP-NUT™ flush anchoring system. This amazing fastener gives all of your projects clean lines and a seamless appearance.

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What is KEEP-NUT®?

KEEP-NUT® is a press-in insert made to create high-strength, threaded seats on solid material slabs. It’s commonly used for under mount sink installation, cladding, and furniture. KEEP-NUT® sits completely flush, giving your finished projects an aesthetic, seamless look.

Advantages

  • Simple hole preparation
  • Quick installation
  • No need for resins or adhesives
  • Large carry load capacity

Time-Saving Installation that Doesn’t Compromise

Installing the KEEP-NUT® anchor is simple and doesn’t require any special tools. Install during the material cutting process or directly on the site. The choice is yours. KEEP-NUT® saves you time — and time is money.

KEEP-NUT® can be installed into a wide range of countertop slabs and other materials. No matter what your project demands, KEEP-NUT® allows you to fasten nearly any material with a totally flush installation that’s tested and durable.

Installation Steps

  • Step 1: Drill — All you need is a standard cylindrical hole. Easy to execute and integrate with standard tools and processes.
  • Step 2: Verify — Check the correct hole size with a simple Go/No-Go gauge. There are reference marks on the “Go” side to check the correct hole depth.
  • Step 3: Insert — To install, all you need to do is screw in the insert on the threaded mandrel. Finish the installation with a little bit of pressure.
  • Step 4: Complete — KEEP-NUT® is now inserted and ready for your assembly.

Compatible Materials

Natural Stone:

  • Marble
  • Granite
  • Travertine
  • White Carrara
  • Limestone
  • Black America
  • Slate
  • Quartz

Sintered Stone:

  • Lapitec®
  • Dekton®
  • Neolith®

Solid Surface:

  • Corian®
  • Hi-macs®
  • Krion®
  • Okite®
  • Betacryl®
  • Staron®

Porcelain:

  • Porcelain Stoneware – GRES
  • Sapienstone®
  • Crossville®

Other:

  • Composites
  • Plastics
  • HPL
  • Glass
  • UHCP
  • Metal

KEEP-NUT®: A Revolutionary Press-In Anchor Beyond Countertops

KEEP-NUT® by Specialinsert® is a revolutionary press-in anchor insert used for several applications, including ventilated facades and exterior and interior cladding. These small inserts are designed to be used on a wide range of surfaces, including aluminum, cement, composite, timber, and more.

Projects Using KEEP-NUT®

KEEP-NUT® is a proven countertop solution used in projects all over the globe.