Core Bit Extension Size Options:NWJ Male- 1.875"-7 Female adapter Shorter shafts offer better control

Shorter shafts offer better control in confined areas

The SG 10 Concrete and Asphalt Floor Saw is a dependable

precise controls

This translates into hours of labor saved every week

When used with a compatible dust collector

Core Bit Extension Size Options:NWJ Male- 1.875"-7 Female adapter Shorter shafts offer better controlCore 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"