JessEm Box Joint Jig Metric
Description
Description
Create flawless box joints every time with the JessEm Box Joint Jig, engineered for smooth operation and ultimate precision on your router table. Whether you're crafting drawers, decorative boxes, or precision joinery, this jig is your go-to solution for clean, consistent results without the frustration of complicated setups.
With three interchangeable key sizes (6mm, 8mm and 10mm) and three matching Baltic birch fences, you'll be ready to tackle a wide variety of project sizes right out of the box. The jig glides effortlessly on four R4 bearings, giving you a smooth, controlled motion that ensures pinpoint accuracy.
Designed for ease of use and versatility, this jig allows full access to raise and lower your router bit, then securely lock your router lift in place—all without ever moving your plate. When you're done, just hang the jig on your shop wall for convenient storage.
Features
- Smooth Glide System – Equipped with 4 high-quality R4 bearings, the jig rides smoothly and precisely on your router table for consistent cuts every time.
- Multiple Key Sizes – Includes 3 aluminium indexing keys in 6mm, 8mm and 10mm widths to match your bit sizes and joinery needs.
- Custom Baltic Birch Fences – Comes with three precision-cut Baltic birch fences for unmatched support and alignment.
- Length of Travel – Offers 108mm of travel and full access to your router lift, allowing easy bit height changes and a secure lift lock—no plate removal needed.
- Integrated Bit Guard – An adjustable bit guard enhances safety and helps keep your workpiece steady and secure during cuts.
- Wall-Mountable Design – Hang it up when you’re done—smart storage is built right in.
- MatchFit Ready – Features a custom dovetail slot compatible with the Micro Jig MatchFit Clamping System for flexible clamping and workpiece support.
Take Your Joinery to the Next Level – Whether you're a seasoned woodworker or a passionate DIYer, the JessEm Box Joint Jig is built to deliver precise results with minimal setup and maximum precision. It’s not just a jig—it’s a joinery solution you can count on.
Please Note: This Box Joint Jig is compatible with all router tables with a standard miter track. The distance from the track to the center of your router bit must range from 107mm to 195mm. Router bits are NOT included.
Delivery & Returns
Delivery & Returns
Same-Day Dispatch
Orders placed before 2pm (Monday–Friday) are usually dispatched the same day. All deliveries are fully trackable.
UK Mainland Delivery Options
| Service | Delivery Time / Notes | Price |
|---|---|---|
| FREE UK Delivery | 2-3 days – orders over £90 | FREE |
| Economy Delivery | 2–3 days | £4.50 |
| Standard Delivery | 1–2 days | £5.95 |
| Express Next Day | Next working day — orders placed by 2pm (Mon–Thurs) | £7.99 |
| Express Pre-Noon | Next working day before noon — orders placed by 2pm (Mon–Thurs) | £15.95 |
| Saturday Delivery | Saturday delivery — orders placed by 2pm Friday | £25.50 |
| Click & Collect | Open for collection: 9am–4:30pm (Mon–Fri) | FREE |
Important information
- Express Pre-Noon and Saturday services aren’t available to Northern Ireland, Scottish Highlands, Islands or remote postcodes — Express Next Day takes 2 days and other services may be slower.
- Large or heavy items may not qualify for Express Pre-Noon or Saturday delivery to your area — we’ll contact you if this applies.
- Click & Collect – Collection available after you receive “Ready for Pickup” email — most orders before 2pm are same day.
International Delivery
We ship worldwide to over 200 countries. No hidden costs — all duties and taxes are calculated at checkout.
Harvey Machines & SawStop Delivery
Harvey Machines and SawStop products are shipped directly. Once your order has been placed, delivery confirmation and tracking details will be provided by the manufacturer.
Hassle-free Returns
All orders are covered by our 45-day Hassle-free Returns guarantee.
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We are Wood Workers Workshop
We are a family business, run by woodworkers for woodworkers, delivering 5-star customer service since 1999.
Stocking a wide range of woodworking tools from leading brands: AUKTools, Milescraft, INCRA, iGaging, JessEm, Woodpeckers, FastCap, Verum & more.
BEFORE buying, ensure that your router table can accommodate the jig — the base is 39 cm long (deep), in its shortest position it’s 30 cm long (deep).
Impeccable quality from JessEm as always. Everything fits tightly, no dents or burrs on the item. I use it with JessEm Mast-R-Lift Excel™ II. If you need a straightforward box joint jig that does one thing but does it excellently — that’s the one. I’ve used a couple of others before, but they had some play or felt fiddly. This one gives precise and, most importantly, reproducible results. As with all quality products from a reputable brand, this one falls into the “buy once, cry once” category but is well worth it. Worth noting is that it’s a metric jig and requires three different router bits: 6 mm, 8 mm, and 10 mm. JessEm sells Whiteside imperial bits for this jig. I bought these metric equivalents: RU2006, RU4858, and RU4910 Up Cut 2 Flute Spirals cutters. Now Wood Workers Workshop sells the Whiteside Up-Cut Spiral Router Bit Set (SKU: JESUCSSET), which is exactly what you need.
Words of advice:
- Familiarise yourself with the exploded view from the last pages of the manual BEFORE assembling
- Install the guard as your LAST step
- DO NOT touch Bearing Blocks — try it out without adjusting them, and only after that decide whether you want to change the tension
- Obvious one, but still: ensure that the key base, fence face, and router cutter are all the same size
- Another obvious one: ensure that the base is secured in the mitre slot so you don’t accidentally move the base sideways.
Thanks Alex for such a detailed review and the images, this is much appreciated. Kind regards Peter and the team
Finally got around to giving the jig a try. The first produced a flawless box joint. Absolute doddle to set up and used. Excellent jig that is very reasonably priced. If you make box joints , I’d highly recommended this jig.
Great product, delivered on time and a great recommendation.
Love it to bits, best bit of kit I have ever bought. Life just got so much easier. The finish is so good it makes me look professional
If you are on the fence about getting this jig, jump off. It is EXCELLENT
