Lenox LEN3084818X 18 In. Hole Saw Mandrel Extension for 1/2 In. Chuck

The Lenox LEN3084818X is an 18 inch hole saw mandrel extension for a 1/2 inch chuck.

An extension solves a problem with exactly one solution. A hole saw on a standard mandrel reaches a few inches. When the hole needs to be cut through a joist bay from outside, through a wall from one side, into a cabinet interior, or anywhere the drill physically cannot follow the saw, there is nothing else to do — the drill has to stay where it can be held and the saw has to go where the hole is.

Plumbers and electricians drilling through framing are the classic case. A run of holes through joists means either dismantling access to reach each one, or an extension.

The 1/2 inch chuck specification matters. Eighteen inches of extension multiplies everything — runout at the chuck becomes wobble at the cutter, and the leverage on the drill's chuck and bearings is substantial. This is a job for a heavy drill with a 1/2 inch chuck, not a compact driver, and the drill should be gripped for the kickback a large hole saw produces.

Kickback is the real hazard here. A hole saw grabbing at the end of an 18 inch lever will twist a drill out of an unprepared grip.

Applications include plumbing and electrical rough-in, HVAC, and construction.

Brand

Lenox

SKU

LEN3084818X

Category

Power Tools & Accessories

Weight

1.19 lbs

Dimensions

14.50 x 2.50 x 2.50

Price

$29.00

Availability

In stock

Rating

4.5 / 5.0