Door Hinge Jig Calculator in Woodworking 6th April 20181st August 2019 Use this simple hinge jig calculator to work out quickly the internal size you need to make your jig so you can use a router to machine your hinge cut outs. Premium hinge leaf measurements: 3″ the leaf is generally 76mm x 19mm | 4″ the leaf is generally 102mm x 30mm Enter Hinge Leaf Length mm Enter Hinge Leaf Width mm Enter Router Guide Bush Diameter mm Enter Router Cutter Diameter mm Collet – Cutter Difference mm Collet – Cutter Difference ( Half ) mm Hinge Jig Opening Length – Internal dimension for router guide to follow mm Hinge Jig Opening Width – Internal dimension for router guide to follow mm Handy Guides Or PDF Jig making collar and cutter guide External Guidance FD30 FD60 Hardware Installation : Forza Doors FD30 Fitting Instructions : Jeldwen Doors
