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Colt 5 Star Pen Maker’s Bit

ataylor

Registered
Joined
Nov 6, 2011
Posts
1,668
Location
UK
First Name
Andy
Do you use them? I have two sizes, the 7mm and the 10mm for the use with Sierra's. I can make a full pass thru acrylic pen blanks using a speed of 1000rpm, thou if i need to do two halves i reduce the speed to 800rpm and let the tool cool down a little as the acrylic will stick to the drill when over heating.

They are a very good drill and well worth the cost in my opinion. :thumbs:

The 10mm bit, the length of the drill is 150 mm

View attachment 42
 

Jim

Grand Master
Joined
Oct 19, 2011
Posts
15,617
Agree mate, they are a great drill, brilliant with the acrylic blanks, i use it at a speed of 1500rpm for the 7mm holes, 1000 rpm on the 10mm ones, all done with one pass. :goesred:
 

ataylor

Registered
Joined
Nov 6, 2011
Posts
1,668
Location
UK
First Name
Andy
I bought one of these a few weeks ago, used it for the first time yesterday and got to say i was very impressed. I ran the lathe at 1000 rpm and the drill went through the acrylic blank like butter. :thumbs:
 
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