SpecialInsert

KEEP-NUT Full Set For Undermount Sinks-1/4-20 Thread

SKU: CCH-KEEPNUT-1/4-KIT

$2.35
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19857 in stock

Quantity Discount (%) Price
1 $2.35
500 12.77 % $2.05
2,000+ 17.87 % $1.93
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Description

 

Keep-Nut™ Press-In ahcnoring sink fasteners are the strongest and most efficient mounting system for attaching undermount sinks to granite, quartz, solid surface, porcelain, and a variety of other hard surfaces. Originally designed to support building facades, vertical wall panels, and furniture, the KEEP-NUT™ also offers exceptional performance for sink mounting.

Works on granite, marble, engineered stone, UHPC, porcelain, solid surface, glass, and composites.

  • Quick Assembly by Pressure
  • No Need for Resins or Adhesives
  • Strongest Anchor on the Market
  • Save Time & Money
  • Can be drilled with standard tools (CNC, Grinder, or by Hand)
  • Average Strength of 562 lbs per insert
  • Crowns (or Teeth) Provide Axial Strength and Flex, providing Higher Strength

Which Bit is Right for Me?

Type of Bit Drilling Method Surfaces
11.8 mm 5/8-11 Thread Grinder Bit KEEP-NUT™ Drilling Machine Natural/Engineered Stone
11.8 mm 1/2 GA CNC Bit CNC Natural/Engineered Stone
11..4 mm 5/8-11 Thread Grinder Bit Manual (without KEEP-NUT™ Drilling Machine) Natural/Engineered Stone
11.8 mm Hand Drill / Drill Press Bit Manual Solid Surface/Plastics

KEEP-NUT™ Insert Pull Out Strength

Part Minimum Surface Depth(s) Thread (d1) Hole Depth (l2)
IM25/P14-.20/H6 0.34″ 8.5mm 1/4-20 0.26″ 6.5mm
Hole Diameter (d2) Threaded Post Depth (h1) Number of Crowns Average Pull-Out Strength
11.8mm 0.22″ 5.5mm 2 562 lbf 2.5 kN
Material KEEP-NUT™ Type Average Pull-Out Load on a Single Insert (lbs)
Granite 20mm IM4S/P1-4.20/H8.5 1080
Marble 20mm IM4S/P1-4.20/H8.5 849
Travertine 20mm IM4S/P1-4.20/H8.5 496
Corian 12mm IM4S/P1-4.20/H8.5 1068
Corian 10mm IM2S/P1-4.20/H6 650
Engineered Stone 15mm IM4S/P1-4.20/H8.5 672

 

KEEP-NUT™ Set Includes:
  • – (1) KEEP-NUT™ (1/4-20 Thread) press-in self-anchoring insert
  • – (1) 1-1/4″ Allen Post (1/4-20 Thread) 
  • – (1) Wing Nut (1/4-20 Thread) 
  • – (1) Star Washer 
  • – (1) “Z”-Shaped Sink Clip
CNC Installation: With the use of the 11.8mm CNC Drill Bit simply plot your holes around the sink and drill your hole to the correct depth. Once drilled, use the Go/No-Go depth gauge to test the hole and our setting tool to insert the KEEP-NUT™. When you arrive to the job site, use the Allen post, star washer, wingnut and sink clip to support your sink. 

Manual Grinder/Polisher Bit Installation: With the use of our 5/8-11 thread 11.4mm Manual Grinder Bit with Stop Collar plot each hole and drill to the correct depth. Then use the Go/No-Go Depth Gauge to test the hole and our setting tool to insert the KEEP-NUT™. When you arrive to the job site, use the Allen post, star washer, wingnut and sink clip to support your sink. 

Drill Bit Solid Surface Installation: With the use of our 11.8mm Drill Bit with Stop Collar plot each hole and drill to the correct depth. Then use the Go/No-Go depth gauge to test the hole and our setting tool to insert the KEEP-NUT™. When you arrive to the job site, use the Allen post, star washer, wingnut and sink clip to support your sink. 

U.S. Patent No. 10,473,141 (the ‘141 Patent)

Additional information

Weight .1 lbs
Dimensions 1 × 2 × 3 in
Manufacturer

Thread Size

Keep Nut Allen Post

Must Ship Freight

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