Woodhaven Jig for Invisible Hinge Installation. Hidden/Concealed Butt Tool 7" (171mm x 28mm), Made in the USA

★★★★★ 4.2 106 reviews

$73.99
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$73.99
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Product details

Management number 218551223 Release Date 2026/05/03 List Price $29.60 Model Number 218551223
Category

The Woodhaven 8657 Invisible Hinge Jig routes the two-step mortises required for 177mm x 28mm invisible hinges. Made from 1/2" phenolic, it cuts both the shallow and deep mortises in one clamped position with built-in 4mm setback.

  • SIZED FOR 177MM x 28MM INVISIBLE HINGES: Cuts a 177mm x 28mm shallow mortise and 145mm deep mortise — matches 7" invisible hinges sold by many suppliers on Amazon.
  • ONE-POSITION ROUTING: Clamp once and rout both mortise depths without moving the jig or the workpiece — guarantees perfect alignment between shallow and deep cuts.
  • REQUIRES 5032K BUSHING & 15409 BIT: Use with Woodhaven 5032K (3/4" OD bushing) and Woodhaven 15409 (1/2" spiral upcut bit), both sold separately. Third-party bushing nose must not exceed 3/8" length.
  • 4MM HINGE SETBACK BUILT IN: Setback is machined to the manufacturer's 4mm specification — no additional measuring or shimming required.
  • MADE IN THE USA WITH LIFETIME GUARANTEE: Backed by Woodhaven's lifetime guarantee against defects in materials and workmanship.
Color Black
Brand Name Woodhaven
Unit Count 1.0 Count
Manufacturer Woodhaven
Model Number 8657
Material Type Plastic
Mounting Type Surface Mount
Included Components all hardware
Item Dimensions L x W 11.62"L x 5.88"W
Manufacturer Part Number 8657

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