Reducer for saw blades GEKO model 7178672 — arbor adapter from 20 mm to 16 / 12.7 mm

Reducer GEKO model 7178672 is an arbor adapter designed to fit saw blades with smaller bore diameters onto a 20 mm shaft. The set includes reduction rings that allow step-down mounting to 16 mm and 12.7 mm arbors, increasing compatibility between blades and machines while ensuring a secure fit.

Advantages

The adapter set provides a simple mechanical solution for converting a 20 mm arbor to accept blades with 16 mm and 12.7 mm center holes. It is compact and straightforward to install, reduces the need for different machines or replacement arbors, and helps maintain concentric mounting for stable blade rotation.

Suitable for

• Workshop circular saws and table saws with 20 mm shaft diameter
• Saw blades with 16 mm center hole
• Saw blades with 12.7 mm (1/2") center hole
• Professional and hobbyist woodworking applications requiring blade interchangeability

Key specifications

• Brand: GEKO
• Model / MPN: 7178672
• EAN: 5901477178672
• Compatibility: reduces 20 mm arbor to 16 mm and 12.7 mm
• Type: arbor adapter / reduction rings for saw blades

How to use

Select the reduction ring corresponding to the blade bore (16 mm or 12.7 mm). Place the ring on the 20 mm shaft, center it, then mount the saw blade over the ring and secure the blade using the saw's standard flange and nut following the machine manufacturer's torque and safety instructions. Verify runout and secure fit before operation.

Usage recommendations

Use only with compatible saw blades and machines; always follow the saw manufacturer's safety instructions, wear appropriate protective equipment, and check that the adapter and blade are undamaged and properly seated before switching the machine on.