Trouble finding 60° countersink

[Jeff95TA]

I'm trying to find a 60° countersink bit with a 1/8" pilot bit and depth stop.

Everything I've found seems to be missing one of those 3 things. Carbide tipped would be an added bonus (I'm drilling ipe).

Something like this one would be perfect, but they're all 82°:

http://www.amanatool.com/products/b...l-dia-x-1-4-inch-quick-release-hex-shank.html

The bare one will accept countersinks, but only with a 5/16" shank, which I can't find in a 60°:
http://www.amanatool.com/55246-adju...aring-adapter-1-1-4-dia-x-3-8-inch-shank.html

 

[aircommuter]

Checkout these. http://www.mcmaster.com/#countersinks/=1353zmq

 

[Jeff95TA]

Checkout these. http://www.mcmaster.com/#countersinks/=1353zmq

Unfortunately none of the 60° ones have pilot bits.

 

[PT Doc]

How about drilling hole in appropriated diameter the using a single flute counter sink for the countersink.

MA Ford makes all kind sofmcountersinks in hss, cobalt. Carbide is available. Check enco.

 

[MFolks]

Most countersunk screws are 82 degrees,
with the aircraft type being 100 degrees. What type of hardware are you using that needs 60 degrees?

 

[OccupantRJ]

Combined drill and countersink with a lock collar depth stop applied to it.

 

[hautpot]

Will one of these work? A number four has a one-eighth pilot.

 

[OccupantRJ]

Will one of these work? A number four has a one-eighth pilot.

Right, this with a depth stop collar.

 

[ibedayank]

Will one of these work? A number four has a one-eighth pilot.

center drill used in mills and metal lathes Ebay, Shars , Grizzly Tools and Enco

 

[Jeff95TA]

Most countersunk screws are 82 degrees,
with the aircraft type being 100 degrees. What type of hardware are you using that needs 60 degrees?

It's a #8 trim head wood screw. I wouldn't normally use a trim head screw for decking, but ipe is so strong that it doesn't need as much of a head.

Most of the decking will be held using clips, but the ends of the deck boards and fascia will be face screwed (~1,190 screws!). That's why I'd like to use an all-in-one pilot bit with countersink.

I ended up ordering this, but HSS bits won't last long in ipe:
http://www.starbornindustries.com/smart-bit-wood-product

If it's not robust enough, I'll have to go with a separate pilot hole and countersink.

Did I mention I never wanted a pool? The things we do for our family.

There's about a 24' x 8' pile of decking.