Colt MaxiCut Forstner Bits

[TTIT]

Got my goodies at last Went through WoodCraft in the US as they were the only ones listing the MT2 adaptor - but I had to wait a week extra anyway 'cos they were out of stock. Haven't done much with them yet but I can't believe how easy they cut hardwood and how clean a hole they make. Got a 1', 1-3/8" and 2" bits plus the 150mm extension and the MT2 adaptor for $254 - might seem like a lot but I reckon they will be well worth it and would have cost near double that to buy here - if you could get them at all. Love the locking system on the shanks - brilliant - no more grinding flats and rounded grubscrews for me

[Sawdust Maker]

Damn you blokes - something else I need
I bought a set (penturners set) of the colt drill bits a while ago and I'm very happy with them.
My cheap forstners have been a continual source of frustration

[Mr Brush]

One option for buying these is Infinity Tools (US). They will ship to Australia, and quoted me $40 shipping for a set of the Colt forstner bits:

COLT MaxiCut 5-Pc. Forstner Bit Set-Carbide Router Bits | Router Bit Sets | Shaper Cutters | Saw Blades | Planer Knives | Jointer Knives | Infinity Cutting Tools

They also have the 150mm extension doodad:

COLT 6" Forstner Bit Extender-Carbide Router Bits | Router Bit Sets | Shaper Cutters | Saw Blades | Planer Knives | Jointer Knives | Infinity Cutting Tools

Even allowing for freight, this ends up being about half the local price........

Their price for the drills is pretty good too, so I might be tempted.

[Mr Brush]

ooh....for the turners, they also stock the MT adapter

COLT Morse Taper-Carbide Router Bits | Router Bit Sets | Shaper Cutters | Saw Blades | Planer Knives | Jointer Knives | Infinity Cutting Tools

[DJ’s Timber]

ooh....for the turners, they also stock the MT adapter

COLT Morse Taper-Carbide Router Bits | Router Bit Sets | Shaper Cutters | Saw Blades | Planer Knives | Jointer Knives | Infinity Cutting Tools

Hmm, that must be a recent addition, as they didn't have that available when I ordered my bits from them.

[TTIT]

Hmm, that must be a recent addition, as they didn't have that available when I ordered my bits from them.

Well worth getting DJ. With the MT adaptor, the 150mm extension and using a bit bigger in diameter than my tailstock spindle, I can drill to over 400mm deep - without a single grubscrew or slipping chuck

[Groggy]

DJ, how would these go chewing dog holes through 130mm Jarrah? Are the entries and exits of the holes clean? Have you tried these with a drill?

[DJ’s Timber]

I'll find out for you during the week, what size hole do you want me to try?

Test piece will be a sample of 150mm thick Jarrah that was dry when it came into my possession 8yrs ago

[Groggy]

3/4" is the standard round dog hole - thanks mate!

[DJ’s Timber]

Don't have a 3/4" bit, closest is a 7/8".

Will do a few holes with 7/8th bit and post pics of result soon

[Groggy]

*pulls up a chair to wait*

(I have a friend of my daughter coming over from the US at the end of the month, she may be getting some extra luggage )

[DJ’s Timber]

Test holes in 7/8th in 160mm Jarrah done with a hand drill. Had good control of drill at all times, no grabbing or drill trying to twist it self out of my hands. Just needed to keep pulling the bit out, to clear hole of shavings to prevent bit jamming.

First hole was clean entry with blow-out on exit as expected, which is normal for most drilling operations.

Second hole was clean entry with hardly any sign of blow-out due to using scrap to prevent blow-out, rough surface of test timber wouldn't have helped in this case.

Holes themselves are relatively clean and I believe that they are good enough for dog holes.

Images for you.

Attachment 139162 Attachment 139163 Attachment 139164 Attachment 139165 Attachment 139166 Attachment 139167 Attachment 139168 Attachment 139169

[Groggy]

Aargh, my back! Been in that chair for a while

Thanks DJ, that is good news for me. Yesterday Kiwibrucee told me he was ordering some stuff from our mate Rob Lee so I piggybacked his order and have a 160mm extension and 3/4" bit on the way. Now I just need to make a simple jig to help get the holes nice and square.

As an aside, how easy is it to position the bit *exactly* and keep it running true?

Great pics btw, helped a lot.

[DJ’s Timber]

Aargh, my back! Been in that chair for a while

Got sidetracked a few times , been a busy week

Now I just need to make a simple jig to help get the holes nice and square.

I may be able to help in this regard, will check further and get back to you

As an aside, how easy is it to position the bit *exactly* and keep it running true?

Very easy, it stayed exactly where I positioned it

.

[DJ’s Timber]

Now I just need to make a simple jig to help get the holes nice and square.

I may be able to help in this regard, will check further and get back to you

OK, just dug this out, picked it up at a Garage Sale a while back, never been used.

It has 60mm travel, head can be rotated/lowered, so in theory you clamp the table to your timber top so that the drill travels at the back, bore first depth of 60mm, blow hole out, drop head so bit is at bottom of hole, then drill another 60mm or finish by hand.

Attachment 139173