This
series of interchangeable drilling components is made extremely
tough. They have tungsten carbide teeth and a pilot bit to
keep them centered in the hole. They are available with a 3”
or 4” head and with either hex or SDS shank. They are long
enough to drill through a 12” block. There is also a box cutter
for opening the 4” round hole into a square 2 gang box outlet.
3”
x 13” drill kit (choice of adapters)
$209.99
4”
x 13” drill kit (choice of adapters)
$229.99
3”
replacement cutting head
$129.99
4”
replacement cutting head
$149.99
9"
extension shaft
$64.99
Hex
adapter
$49.99
SDS
adapter
$49.99
SDS
double gang box cutter
$159.99
Forstner Bits
This heavy duty drill bit does not have carbide
teeth so it will only last through around 100 blocks. With the
18" extension it is capable of drilling through a jumbo block.
3" drill
bit
$39.99
3 7/8 " drill bit
$49.99
12" extension
$17.99
18" extension
$19.99
Economy Bits
These ecnomical bits have long shafts and spiral
flights to keep the dust off of the cutting head. They do not
have carbide teeth.
