that stuck me as a cool idea also.I like the modification: the usual drill bit has been replaced with a centre drill. I'll remember that.
If you're referring to the centre drill then it is dead on centre. The cutter blade should be inserted from the RHS rather than, as shown, from the left. The main body has a flat on the RHS so slightly smaller circles can be bored when the cutter is pushed fully to the left.Th slocombe drill look wildly off centre almost making it unusable. unless its an optical illusion?
I brought the one from Armeg and it works great, you need to ensure the cutters are fitted the right way and not the obvious way. Great for those holes in ceilings as it contains 80% of the dust and also in a pillar drill where you can cut those odd size holes needed when making jigs for the router.I have one of the 'modern' versions @Spectric mentions: bl**dy useless IMHO. Maybe I was just unlucky.
I have the Star M version of Spectrics hole cutter and it works very well.If you're referring to the centre drill then it is dead on centre. The cutter blade should be inserted from the RHS rather than, as shown, from the left. The main body has a flat on the RHS so slightly smaller circles can be bored when the cutter is pushed fully to the left.
I have one of the 'modern' versions @Spectric mentions: bl**dy useless IMHO. Maybe I was just unlucky.
Nothing like an 'End Mill' - did you post without reading @MorrisWoodman12 's post ? As he said, it's a Centre Drill - the perfect tool for the job.Someone has stuck an endmill in place of a drill. Looks like it was made by a blacksmith - a hole saw would give better results.
This is the moderner version I have very handy both cutters are adjustable in and out and reversible to make discs or holes and if careful you can cut a gasket in one shot with cutters set at different diameters View attachment 165439
Oh well doneTrepanning tool
Not strictly true. Though it could be used as such by fitting an appropriate cutter. A Trepanning tool would have a flat cutting edge rather than a 'point' (oriented either left or right depending upon it intended use as a hole or washer cutter).Trepanning tool
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