Description
The Keep-Nut 11.8mm Drill Bit with an integrated stop collar is designed to deliver precise hole preparation for Keep-Nut® press-in anchors in solid surface materials, high-pressure laminates (HPL), composites, and plastics. Featuring a 135° split point and high-helix flutes, this bit cuts cleanly and efficiently, minimizing chipping while ensuring the exact hole size and depth required for secure anchor installation.
Key Features & Benefits
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Exact 11.8mm Diameter – Matches Keep-Nut anchor hole specifications.
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Integrated Stop Collar – Guarantees controlled, repeatable hole depth.
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Superior Drilling Performance – High-helix flutes improve chip removal and cutting speed.
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Durable Black/Gold Oxide Finish – Reduces friction and prolongs bit life.
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Material-Specific Design – Optimized for Corian®, HPL panels, composites, and plastics.
Technical Specifications
| Property | Specification |
|---|---|
| Part Number | 49940 |
| Diameter | 11.8 mm |
| Overall Length | 152 mm (6 in) |
| Flute Length | 103 mm (4-1/16 in) |
| Tip Design | 135° Split Point |
| Finish | Black & Gold Oxide |
| Pack Quantity | Sold Individually |
| Compatible Anchors | Keep-Nut® 1/4-20 and metric solid surface inserts |
Applications
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Drilling anchor holes for undermount sink brackets in solid surface countertops
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Fabrication of HPL panels and decorative composites requiring concealed fastening
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Mounting components on plastic substrates where precise depth control is essential
Installation Tips
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Verify hole size with the Keep-Nut Go/No-Go Gauge.
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Use the Keep-Nut Setting Tool to punch anchors flush without surface damage.
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For a visual guide, watch the Solid Surface Installation Video.
Patent
Protected under U.S. Patent No. 10,473,141 (the ’141 Patent).
Order Now
Ensure accurate anchor installations with the Keep-Nut 11.8mm Drill Bit with Stop Collar.
Call 800-220-1966 or order online for immediate availability.
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