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This Amana Tool Lansen sink edge bit is a 2-flute carbide router bit designed to profile the edge of stainless steel sink openings in solid surface, quartz composite, and related countertop materials, producing a clean 15-degree beveled edge that mates flush with the sink rim.
Undermount and apron-front sink installations in solid surface and quartz composite countertops demand a tight, uniform reveal at the cutout edge. A flat or square-cut edge leaves a visible gap or uneven line where the countertop meets the sink rim. This bit cuts the 15-degree bevel that removes that gap, bringing the countertop edge down at the correct angle to seat cleanly against the sink's perimeter. The result is the finished, professional edge that undermount stainless steel sink installations require before bonding or final mounting.
Solid surface and quartz composite are abrasive materials that wear conventional bits quickly and can chip or tear out if the cutting geometry is wrong. The 2-flute configuration on this bit balances chip clearance and surface finish: each pass removes material cleanly rather than pushing it, which keeps the bevel edge sharp and splinter-free through the full thickness of the slab. The 1/4-inch shank makes it a natural fit for the trim routers and compact fixed-base routers that fabricators commonly use for sink cutout work at the countertop.
This is a specialist bit for countertop fabricators, cabinet shops, and installers finishing solid surface or quartz composite countertops for stainless steel undermount sinks. It is also the right tool for a remodeler or finish carpenter who is cutting a new countertop for a Karran or similar undermount stainless installation and wants the edge detail done correctly in one pass. Because it is sized for 1/2- to 3/4-inch material, it suits the standard slab thicknesses used in residential and light commercial countertop work. This is a single-purpose edge-profiling bit, not a general countertop trim or flush-cut tool.
It is rated for solid surface and quartz composite countertop materials in thicknesses from 1/2 to 3/4 inch. It is not intended as a general-purpose laminate or wood trim bit.
An undermount stainless steel sink rim sits at a slight angle where it meets the countertop. The 15-degree bevel matches that angle so the countertop edge seats flush against the rim with no gap or step, which is what a clean, professional undermount finish looks like.
Yes. The 1/4-inch shank fits the collets on most trim routers and compact fixed-base routers commonly used for sink cutout and edge work.
It does. This bit is designed for slabs between 1/2 and 3/4 inch thick, which covers most residential and light commercial solid surface and quartz countertop applications. For thinner or thicker material, a different bit would be needed.
For fabricators and installers who need the sink edge finished correctly the first time, this Amana Tool Lansen bit delivers the 15-degree bevel profile that stainless steel undermount sinks require in solid surface and quartz composite countertops.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  AA57169 Mfr# 57169 | 1-3/16" x 3-1/8" Bevel Lansen Sink Edge Bit, 2-Flute, 1/2" Shank |