Hyper Threadlock Detachable Head Gundrills
Longer, larger diameter gundrills require a great deal of
handling...from loading and unloading in the machine...to
sharpening...to shipping back to the manufacturer for retipping and
reconditioning. Hyper's Threadlock Detachable Head
gundrill (patent #3,153,356) is the answer to
all of these problems.
The Threadlock Detachable Head can be
removed from the machine and replaced in under a minute, resulting
in an absolute minimum of machine downtime. The worn head can then
be easily resharpened or returned for retipping.
Hyper Tool stocks virtually all standard size heads from .625" to
3" for same day shipment. With care, the shank can last forever.
Though the initial cost of a head and a driver exceeds the cost of a
standard gundrill, heads alone cost less than a gundrill, with the
economic benefit increasing with the length of the drill.
Each of the 7 different threaded drives is designed to
accommodate a range of head diameters, per the table below. This
means you can drill multiple hole diameters using different heads on
the same driver. IMPORTANT: If you do plan to take
advantage of this option, be sure to tell us when you order your
initial driver and head. We'll explain when you call.
Another useful benefit is that you now have the ability to drill
a deeper hole than the machine's capacity (stroke) without turning
the part around and drilling from the other side. This can be done
by buying an intermediate extension which
can be inserted between the head and the driver. The technique is
similar to oil well drilling.
If you've ever struggled to insert a 2" drill into a Gizmo,
you'll be pleased to discover that the Gizmo can now be easily
slipped onto the smaller driver before the detachable head is
attached, saving both time and effort!
In case you are wondering...yes, we can convert your existing
solid drills to our detachable head style simply by attaching our
female threaded driver to the end of your drill (regardless of the
We do not generally recommend the threadlock detachable head to
inexperienced operators when drilling cross holes, though many
companies are using it successfully. Please call and we will share
some tips on successful drilling through cross holes.
||HOLE DIAMETER RANGE|
||.625 TO .740|
||.741 TO .929|
||.930 TO 1.118|
||1.119 TO 1.367|
||1.368 TO 1.899|
||1.900 TO 2.414|
||2.415 TO 3.000|
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