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R8 End Mill Adapters

R-8 End Mill Adapters

For holding End Mills in Bridgeport ® and similar vertical milling machines with R8 spindles.
End mill is held in place by a set screw, providing greater rigidity than collets.
Sizes 3/4" and larger hold single end mills only (not double end).
Quantity Price Model Description Bore

$215.00 R8-E-ST
Set of 9 R8 End Mill Adapters, 3/16"- 1-1/2", 1616-9970 -

$22.00 R8-E-3/16
3/16" R8 End Mill Adapter, 1616-0005 3/16"

$22.00 R8-E-3/8
3/8" R8 End Mill Adapter, 1616-0010 3/8"

$22.00 R8-E-1/2
1/2" R8 End Mill Adapter, 1616-0015 1/2"

$27.00 R8-E-5/8
5/8" R8 End Mill Adapter, 1616-0020 5/8"

$27.00 R8-E-3/4
3/4" R8 End Mill Adapter, 1616-0025 3/4"

$27.00 R8-E-7/8
7/8" R8 End Mill Adapter, 1616-0030 7/8"

$27.00 R8-E-1
1" R8 End Mill Adapter, 1616-0035 1"

$37.50 R8-E-1-1/4
1-1/4" R8 End Mill Adapter, 1616-0040 1-1/4"

$39.50 R8-E-1-1/2
1-1/2" R8 End Mill Adapter, 1616-0054 1-1/2"

R-8 Shell End Mill Arbors

R-8 Shell End Mill Arbors.
For holding Shell End Mills and Indexable Face Milling Cutters in machines with an R8 spindle (ex: Bridgeport ® and similar vertical milling machines.)
Quantity Price Model Description Diameter for Bore in shell end mill Diameter Range of standard shell end mill

$27.50 R8-S-1/2
1/2" R8 Shell Mill Arbor, 1618-0005 1/2" 1 1/4" to 1 1/2"

$35.00 R8-S-3/4
3/4" R8 Shell Mill Arbor, 1618-0010 3/4" 1 3/4" to 2"

$38.00 R8-S-1
1" R8 Shell Mill Arbor, 1618-0015 1" 2 1/4" to 2 3/4"

$46.00 R8-S-1-1/4
1 1/4" R8 Shell Mill Arbor, 1618-0020 1 1/4" 3" to 3 1/2"

$52.00 R8-S-1-1/2
1 1/2" R8 Shell Mill Arbor, 1618-0025 1 1/2" 4" to 5"