Adjustable bi metal Hole Saw Set for size from 3/4" to 5"
Item No:JN01128
1PC ARBOR WITH HSS DRILL, 6pc Saw Blade ,1PC Tork T-Handle Screw ordriver
Could use from 19 to 127mm
PACKAGE:
24SETS PER CARTON
G.W/N.W;13.5/12.5 KG
MEAS:40X26X23.5CM
Before use:
Put in the drill bit into the center hole and tighten the horizontal stud bolt
Loosely screw the three cutting arms into the threaded lug of the guide rails.DO NOT tighten! If can not turn, Can add lubricating
oil or water in the sliding tank .Caution: do not use damaged cutting arms.
Adjust the bore diameter by turning the adjusting disc.There are 2 sets of saw teeth, each set has 3 saw blades.
One set of saw teeth can be adjusted from 19MM-102MM and the other set of saw blades can be adjusted from 45MM-127MM.
Make sure that the area behind the workpiece/material to be drilled is free; no wooden/metal struts, water or power cables Clamp the hole saw tightly in the drill chuck of the power drill.
Secure the workpiece to be drilled by clamping or screwing it into place.During and after use:
The hole saw must only be used for plaster board, OSB panels and chipboard and wood with nail up to 27 mm thick!
Make sure to use the second grab handle on the power drill when drilling.
Make sure that the hole saw is rotating in a clockwise direction, disable hammer drill mode.
Wear safety goggles and a dust mask.
Observe the recommended rotational speeds.
Ensure that a safe support is erected for drilling in the ceiling area or outside your reach> DO NOT drill while standing on a
ladder/chair.
Do not insert the hole saw into the workpiece at an angle.
Avoid overlapping holes.
Unclamp the hole saw from the drill chuck of the power drill to adjust the cutting arms.
Remove the drilling dust from the hole saw(e.g.by brushing, knocking or blowing it out)at regular intervals to guarantee long-term adjustment of the cutting arms.
If it becomes difficult to adjust the hole saw, apply spray oil(e.g.WD-40).
The hole saw must not be used if it or its components(e.g.cutting arms)are damaged.
Detailed picture:
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