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The Core Four: Compact Router Bit Set – 1/4″ Shank

Designed for today’s compact routers—corded or cordless—this 4-piece bit set covers all the essentials for trim, edge, and finish work. Whether you’re a cabinetmaker, framer, or weekend DIYer, this kit delivers professional-grade performance in a portable format. Made in USA. Includes: 1/4″ Spiral Flush Trim Bit – for clean, accurate edge trimming 1/2″ Dia. Pattern Bit – ideal for template routing Round Over Bit – for smooth, finished edges Chamfer Bit – to add sharp detail or beveled edges

The Core Four: Compact Router Bit Set – 1/4″ Shank - Main image
AstraHP Coated Whiteside 2000C Round Over Router BitAstraHP Coated Whiteside 2292 chamfer router bit for trim router*AstraHP Coated* Bits&Bits 425-PB550 – 1/2″ down-cut pattern router bitBits&Bits AstraHP Coated 430-SRF250FT 1/4" Up-Cut Flush Trim Router BitCore 4: Comapct router bit set
$145.25 $226.96 In stock

Category: Router Bit Sets

Engineered for maximum control in a smaller form factor, this 4-piece set is optimized for modern compact routers, including both corded and cordless models. Built on precision-balanced 1/4″ shanks, each bit is ideal for finish carpentry, cabinetry, and tight-space trim work.

Kit Includes:

  • 1/4″ Spiral Flush Trim Bit – For ultra-clean edge duplication and material matching
  • 1/2″ Down-cut Pattern Bit – Perfect for routing against jigs and templates
  • Round Over Bit – Smooths and softens corners with consistent radius
  • Chamfer Bit – Adds 45° beveled detail for framing and decorative edges

Ideal for professionals and DIYers alike, this set combines mobility with performance—making it a go-to for the jobsite, shop, or home workshop.

Applications: Trim work, edge shaping, template routing, cabinetry, framing, and finish detailing.

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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)

Sebastian ★★★★★

Finally got a set that's actually designed for my compact trim router. The 4-piece selection covers the basics I need for edge work, and the smaller form factor lets me maneuver in tight spots without the bit binding up.

Grace U. ★★★★★

Swapping bits mid-project used to be a hassle, but these 1/4" shanks click in and out of my cordless compact router without any wobble. The balance is noticeably better than my old random bits.

Lily Y. ★★★★★

Finally got a compact set that doesn't feel like a toy. The precision-balanced shanks run noticeably smoother in my trim router than my old bits.

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