Core Bit ExtensionCore bit extension rods give you a longer coring depth Diamond core drill bit extensions are used to quickly and easily achieve a greater depth when drilling with a core bit. You can attach multiple extensions to achieve 14". Description Thread Fits Bit Size Part Number Catalog Number 4" 125 4 1. 250" 7 1 5 8" & up 01863 4" 125 4 S water sprayer 1. 250" 7 1 5 8" & up 01864 6" 120 6 5 8" 11 up to 1 1 2" 01866 6" 120 6 7 8" O. D. up to 1 1 2" 55999 6"

precise cuts✅ Lower noise output✅ Long-lasting durability

ensuring that you have a tool that works seamlessly for you

3-way catalytic muffler that meets the latest EPA & CARB emission requirements

The HIDE Drain cover kit is an innovative and useful option for concealing drains that might otherwise be an eyesore

In addition

Seal Maintenance AccessibilityTools with quickly replaceable seals (no glue) save downtime—VH-1/25 has this

Taking the time to choose correct version ensures fitment

Here’s why it has earned its reputation:

Hold / fix the pole shape — Use Velcro stays or clamps (if available) to lock in the arc

This simple maintenance step can significantly extend the life of your core bit

Other select models in the GRABO professional tool line

The optional weights are a musthave for every professional grinder