Infinity Tools 1/2" Shank Radius Grooving Router Bit

Infinity Tools 1/2" Shank Radius Grooving Router Bit - View 3

Infinity Tools 1/2" Shank Radius Grooving Router Bit - View 4

Infinity Tools 1/2" Shank Radius Grooving Router Bit - View 5

Infinity Tools 1/2" Shank Radius Grooving Router Bit - View 6

$23.73 ~~$34.9~~ In stock

These Radius Grooving router bits come in 1/2" and 3/8" radius profiles and are not only great for custom sign building but also for veining, lettering and edge work. Since both of these bits accept top bearing kits they can be used in most pattern routing applications as well. Also available with bearing kit for pattern or template sign routing.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

Avery ★★★★★ Oct 22, 2026

The 1/2" radius profile made perfect, smooth cuts for the lettering on a wooden sign I was building. Clean edge work without any chattering or tear-out.

Penelope ★★★★★ Oct 21, 2026

The 3/8" radius on this bit cut through my hard maple sign blank without burning. Clean veining in one pass with zero chatter—exactly what I needed for lettering work.

Matthew ★★★★★ Oct 18, 2026

Cut three different signs this weekend and the 1/2" radius profile left the cleanest veining grooves I've gotten without sanding. The shank held steady through some gnarly grain, too.