DRILL BUSHINGS

  • Template Bushings, TYPE "TB"
    Sizes 5/16 - 1/2 X .749" O.D.

Template bushings are designed for economy and are primarily intended for thin template materials varying from 1/16 to 3/8 inch thick, which provides low cost drill tooling.
[Technical and Ordering Information]

I.D. RANGE
+.0001/+.0011
"A"
O.D.
+.000/-.001
"B"
LENGTH
+.010/-.001
"C"
GRIP LENGTH
"D"
ANSI
SYMBOL
RETAINER RINGS
PART NO.
TEMPLATE THICKNESS
5/16 - 1/2 (.3125 - .5000)
.749
3/8
1/4
TB-48-6-4
TR-70
1/16
5/16 - 1/2 (.3125 - .5000)
.749
3/8
1/4
TB-48-6-4
TR-80
3/32
5/16 - 1/2 (.3125 - .5000)
.749
3/8
1/4
TB-48-6-4
TR-90
1/8
5/16 - 1/2 (.3125 - .5000)
.749
3/8
5/16
TB-48-6-5
TR-70
1/8
5/16 - 1/2 (.3125 - .5000)
.749
3/8
5/16
TB-48-6-5
TR-90
3/16
5/16 - 1/2 (.3125 - .5000)
.749
1/2
5/16
TB-48-6-5
TR-70
1/8
5/16 - 1/2 (.3125 - .5000)
.749
1/2
5/16
TB-32-6-5
TR-90
3/16
5/16 - 1/2 (.3125 - .5000)
.749
1/2
3/8
TB-48-6-6
TR-70
3/16
5/16 - 1/2 (.3125 - .5000)
.749
1/2
3/8
TB-48-6-6
TR-90
1/4
5/16 - 1/2 (.3125 - .5000)
.749
1/2
7/16
TB-48-6-7
TR-70
1/4
5/16 - 1/2 (.3125 - .5000)
.749
1/2
7/16
TB-48-6-7
TR-90
5/16
5/16 - 1/2 (.3125 - .5000)
.749
5/8
1/2
TB-48-6-8
TR-70
5/16
5/16 - 1/2 (.3125 - .5000)
.749
5/8
1/2
TB-48-6-8
TR-90
3/8