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1/4″ Plywood Router Bit 7/32″ actual x 1/2″ Shank – Whiteside SC218 (AstraHP Coated)

Perfect size to cut a dado or groove for 1/4″ plywood. AstraHP Coated Solid Carbide 1/2″ Shank 7/32″ (5.5mm) Cut Diameter 3/4″ Cut Length 2-3/4″ Overall Length Recommended RPM: 18,000 Made In USA

1/4″ Plywood Router Bit 7/32″ actual x 1/2″ Shank – Whiteside SC218 (AstraHP - Main image
AstraHP Coated Whiteside SC218 Undersize Plywood router bitAstraHP Coated Whiteside SC218 Undersize Plywood router bit
$33.83 $46.99 In stock

Category: Plywood Dado Router Bits

This Whiteside SC218 router bit is designed for cutting clean dadoes in plywood. It features an undersized 7/32-inch cutting diameter, which is slightly smaller than the nominal 1/4-inch size to account for typical plywood thickness variations, helping ensure a precise fit. The bit includes a 1/2-inch shank for stable performance in a router table or handheld router, and it is coated with AstraHP for enhanced durability and smoother cutting action.

  • Undersized 7/32-inch cutting diameter for accurate plywood dadoes
  • 1/2-inch shank for reduced vibration and improved control
  • AstraHP coating helps resist heat and wear for longer life
  • From Whiteside, a trusted name in router bits
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Customer Reviews (4.6 / 5 · 5 reviews)

Leo ★★★★★

Cutting dados in Baltic birch used to mean tear-out and chipping for me, but this bit leaves edges so clean I barely need sanding. The 7/32-inch undersize is perfect for fitting plywood snugly without forcing it together, and the coating seems to be keeping it sharp through a couple of full sheet bu

Abigail ★★★★★

The AstraHP coating on this bit made cutting through maple plywood noticeably smoother than my old uncoated bits. I appreciate the precise 7/32" diameter for a perfect dado fit without sanding.

Nicholas ★★★★★

Finally, a router bit that actually cuts a true 1/4″ dado in plywood—the slightly smaller 7/32″ diameter made all the difference for a snug, clean fit. It powered through a full sheet without any burning or chatter.

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