The shank diameter was too large and didn't fit my Cue Smith drill chuck. I believe this type of coolant hole can be used with a coolant-delivery spindle typically used in metal machining, with a water-based coolant.
I have two gun drills for sale. They are both new, unused. They just didn't fit in my Cue Smith drill chuck.
0.775" and 0.650" coated carbide tip with 2 coolant holes.
17" flute length, 0.7" shank diameter.
$85 each or $150 for both.
$5 shipping to 48 states.
Paypal/Venmo/Zelle
I have 4 sets available for sale. $70 each plus $5 shipping inside US. Zelle/Venmo/etc.
It works with a AA battery and keeps rotating once you press the button.
PM me for more detail. Thank you
I've been using carbide tipped coring drills but they are becoming dull and wondering if there is any resharpening service that I can just send the drills in. I could find multiple resharpening services on Google but most of them handle regular drill bits, router bits, etc. and wasn't sure which...