TruStone blank size for larger pen kits

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jjjaworski

jjjaworski

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Feb 22, 2012
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I was wondering if a 3/4 square TruStone blank is suitable for pen kits like the Sedona, Baron, Jr Retro, Cambridge, etc.

I am considering the easy and moderate type of TruStone blanks.

Am I risking blowout and or cracking during drilling the upper barrels of these size pens by using a 3/4 square blank ? Or will I have adequate success using prudent drilling practices ?

I realize that on the harder more difficult to turn types it would be wise to go to the 7/8 blank size to be safe in drilling and turning.
 
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I've had success using 3\4" blanks on Majestics, which I think use a similar size tube. But there's not a lot of room to spare so I'd recommend using a drill press or drilling on lathe to get as accurate and straight as possible.
 
James, to be honest with you I've made every large sized component set with the exception of the Panache both top and bottom barrels with 3/4 inch tru stone blanks and just about all of the different tru stones, drill slow, remove the bit often spray the hole with coolant (I use water) and turn with sharp tools.
 
The Baron & Sedona are no problem. The jr Retro is a bit larger, but still doable. I've never made a cambridge, so I can't help you there.
 
I just love this site... I normally use a 3/4 wood/acrylic blank for those size kits as it is.

I have not worked the TruStone and was trying to avoid any headaches by being thrifty.

Thanks gentlemen for helping me make a decision.

I step drill on my lathe at slow speeds and use soapy water to cool and lubricate. I clear chips often .

I got into this practice by a couple of failed attempts at drilling transparent types of acrylics.

Thanks for the quick responses. I appreciate it very much.
 
You can always wrap your blank in duct tape. If it fails, at least it will stay together and you can repair it. Wrap the blank so the nylon threads go around the blank. As Ed says, the key is sharp bits, slow drilling, and don't use brad point drill bits. Jim S
 
Going larger than 3/4 is a waste of material. As said, sharp bits, patience and when nearing the bottom of the blank go very light on the pressure and you will not even get any chip out. Save your cutoffs for accent pieces on other pens or finials.
 
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