QWORK 1-5/8" to 8" (40-200mm) Adjustable Hole Cutter Hole Saw for Recessed Lights Ceiling Speakers Vent holes on Sheetrock Drywall Plaster Ceiling Tile Soft Acoustic Tile Plastics Wood and Plywood

Description

Adjustable hole cutter kit

Cutting hole diameter: 1-5/8" to 8" (40mm - 200mm)

Cutting depth: up to 3/4"(19mm) from one side, 1-1/8"(30mm) from two sides

Shank: 3-flat shank

Infinite adjustment and measure bar is marked in inches and metric system

Used for recessed lights and ceiling speakers installation hole cutting, skylights, vent holes cutting

Application materials: Sheetrock, Drywall, Plaster, Ceiling Tile, Soft Acoustic Tile, Plastics, Fiberglass, Acrylic Sheet, Soft Wood and Plywood

User Instruction

It requires a hand drill with a 3/8"(10mm) or larger chuck to cut holes from 1-5/8"(40mm) to 8"(200mm) in diameter and materials up to 3/4"(19mm) thick from one side, 1-1/8"(30mm) thick from two sides

Caution

* When cutting into walls, floors or ceilings, always check to ensure that no electric cables or water pipes etc are in the vicinity of the proposed cut

* Always keep the cutting blades sharp

* Do not use undue force, or too great a drill speed, suggested cutting speeds

Hole Diameter(mm) Drill Speed(RPM)

40 - 49 --------------- 800

50 - 69 --------------- 600

70 - 89 --------------- 400

90 - 119 -------------- 200

120 -180 -------------- 100

* Ensure the cutting blade holders are tight before use

* Make sure to measure the CUTOUT for the product (speaker, recessed light) you are installing. The size of the product you are installing uses a larger cutout, and the needed size is different by manufacturer of the canned light or the speaker

* Screw the wing nut on to the threaded end of the spindle so that that assembly is secure

* As with any new tool, always test on a scrap piece of material to get familiar with the tool