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CATALOG /RTJ-BSC-IN-001
Bosch acrylic mortising jig for oscillating multi-tool front view
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§ DESCRIPTION

Take your joinery to the next level with a precision-engineered mortising jig, built for serious woodworkers who demand durability and accuracy. Designed for regular shop use, it pairs rugged 1/2″ clear acrylic side panels with a heavy-duty 3/8″ acrylic top plate for exceptional stability — while keeping your work area in full view.

Key features

  • Robust construction — thick 1/2″ sides and a solid 3/8″ top plate for long-term durability and repeatable accuracy.
  • Generous capacity — accommodates material up to 6 1/4″ (160 mm) wide for a wide range of mortising applications.
  • Clear visibility — transparent acrylic lets you watch bit alignment and cut placement.
  • Shop-ready — designed for the most demanding shops.

Perfect for clean, consistent mortises in furniture making, cabinetry, and other fine woodworking projects.

◆ BOSCH
1617EVS 2.25 HP Electronic Fixed-Base Router
FIXED BASE
◆ BOSCH
RA1166 Plunge Router Base
PLUNGE BASE
§ WHY THIS JIG

Cut clean, accurate mortises.

Mortising made fast, consistent, and stress-free — whether you're cutting traditional mortise-and-tenon joints or modern floating tenons.

  1. 01 Clamp your workpiece — the wide acrylic sides keep it locked down.
  2. 02 Guide your router across the precision-aligned top plate.
  3. 03 Get straight, repeatable cuts every time — no complicated setup.

Professional-quality mortises with no guesswork. Clamp, guide, done.

§ VERSATILITY

Doubles as an edge guide.

Not just for mortising. Sturdy acrylic sidewalls and a wide surface let you run the router along an edge with stability and control.

Dadoes, grooves, decorative edges.
Dadoes, grooves, decorative edges.

A reliable edge guide for the work that isn't mortising — run dadoes, cut grooves, or shape decorative edge work with the same rock-solid platform. A versatile addition to any router setup.

§ BY THE NUMBERS

Built from cast acrylic.

Cast acrylic resists warping, cracking, and abrasion where cheaper plastics fail — engineered for accurate, repeatable results day after day.

Solid base plate
3/8″ · BASE
Solid base plate

A 3/8″ cast-acrylic base delivers strength and rigidity under heavy router use, with a clear top for full visibility of the bit and cut path.

Thick sides
1/2″ · SIDES
Thick sides

1/2″ cast-acrylic side panels are precision-cut for perfect parallel alignment — eliminating flex and giving a generous clamping surface.

Thick & wide stock
6 1/4″ · 160 MM
Thick & wide stock

Accommodates stock up to 6 1/4″ (160 mm) wide — from trim pieces to full edge mortising on wider panels, with stable clamping throughout.

§ FEATURES

Dialed-in details.

Quickly find center
◆ ALIGNMENT
Quickly find center

Built-in alignment marks and a symmetrical design center on your workpiece with no measuring — quick, easy setup.

Built-in measurements
◆ MARKINGS
Built-in measurements

Clearly engraved markings in both inches and metric give reliable reference points right on the jig — no extra measuring tools.

Spring-loaded thumbscrews
◆ HARDWARE
Spring-loaded thumbscrews

Tighten, then pull out and rotate each knob to a convenient position — ideal for tight spaces and repeat adjustments.

CAST ACRYLIC
Resists warping, cracking, and abrasion.
UP TO 6 1/4″
Handles stock up to 160 mm wide.
REPEATABLE
Precision alignment, cut after cut.
BOSCH 1617EVS
Fits the fixed base & RA1166 plunge base.