Product Details: Re-usable Polyurethane Faucet Hole Knockouts. Easily create uniform holes in concrete countertops for faucets, soap dispensers, valves, etc.
Large sizes (1.5" hole size) can also be used to make small bathroom lavatory size drain holes when casting a concrete sink.
Sold individually or in a 3-pack.
Larger diameter hole on under side of the concrete countertop is to allow room for mounting bracket and nut to secure faucet (most faucets and drains aren't designed for thick concrete countertops and sinks). Square size is designed for faucets that come with a square-shaped mounting bracket (shown below). Slightly angled sides to allow for easy removal from concrete. Made of extremely durable Polyurethane. Good for hundreds of uses. Two sizes available: 1 1/4" and 1 1/2" Diameter hole size (When looking at the top of a finished countertop). Product Specifications: Measurements: --
Small: 1 1/4" Diameter Hole x 2 1/2" Diameter (Mounting Hardware Area) x 2" High.
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Large: 1 1/2" Diameter Hole x 2 3/4" Diameter (Mounting Hardware Area) x 2" High.
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Square: 1 1/2" Diameter Hole x 2 3/4" Square (Mounting Hardware Area) x 2" High.
To Use- Secure Knockout in place with a little silicone. You may also drill a small hole through the center of the Knockout, and use a washer and 2 1/2" long screw to secure to the form. Removal- Prior to flipping over your concrete, loosen the edges of the Knockout with a flat head screw driver. Once the concrete piece is turned over, you should be able to push the Knockout free with your thumb and very little pressure. To Clean- Scrape off any hardened concrete and/or silicone. Shipping Information: Product usually ships in 1-2 business days. Sample Photos:
Above: Square size Faucet Plugs, with a square mounting bracket shown (some faucets come with this style).
Above: Sample of 3 faucet holes made in a concrete countertop.
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