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Shank
Type
BT
Taper
CAT
Taper
R8
Taper
Round
For
Use
With
Hide
Bench
Grinders
Buffers
Dremel
Grinders
for
Bits
and
Burs
Drill
Presses
Grinders
for
Bits
and
Burs
Grinders
for
Wheels
and
Cones
Handheld
Power
Drills
Lathes
Milling
Machines
Motors
Pedestal
Grinders
Surface
Grinders
Collet
Type
100
-
TG
ER
-
11
ER
-
16
ER
-
20
ER
-
25
ER
-
32
System
of
Measurement
Inch
Metric
Shank
Diameter
1/2"
5/8"
3/4"
1"
For
Holding
Collets
Drill
Bits
Drill
Chucks
End
Mills
Face
Milling
Cutters
Hollow
-
Core
Cutters
Milling
Cutters
Slitting
Saws
Arbor
Hole
Diameter
1/4"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1
1/4"
1
1/2"
For
End
Mill
Shank
Diameter
1/8"
3/16"
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1
1/4"
1
1/2"
Drill
Chuck
Mount
Type
Integral
Arbor
Jacobs
Taper
For
Machine
Spindle
Type
R8
Taper
Straight
Machine
Taper
Number
BT
30
BT
40
BT
50
CAT
40
CAT
50
Head
Diameter
0.433"
1/2"
0.591"
5/8"
11/16"
0.74"
0.748"
3/4"
51/64"
7/8"
0.906"
63/64"
1"
1.142"
1
3/16"
1
1/4"
1
3/8"
1
1/2"
1
9/16"
1.57"
1
21/32"
1
11/16"
1
3/4"
1
13/16"
1
57/64"
1
31/32"
2"
2
3/8"
2.38"
2
1/2"
2.88"
3"
3
1/2"
Overall
Length
2
1/2"
2
9/16"
2
25/32"
2
15/16"
2
61/64"
3"
3
11/64"
3
3/8"
3
21/32"
3
15/16"
4
1/4"
4
13/16"
4
53/64"
5
5/64"
5
1/8"
5
15/64"
5
27/64"
6"
REACH
Compliant
Not
Compliant
DFARS
Specialty
Metals
Exempt
For
Drill
Chuck
Taper
Number
Jacobs
0
Jacobs
1
Jacobs
2
Jacobs
3
Jacobs
6
Jacobs
33
Head
Length
3/8"
13/32"
7/16"
9/16"
3/4"
1"
1
3/16"
1
3/8"
1
1/2"
1
9/16"
1
5/8"
1
3/4"
1
15/16"
2"
2
1/8"
2
3/16"
2
3/8"
2
1/2"
2
3/4"
2
15/16"
3"
3
1/4"
3
3/4"
4"
Export
Control
Classification
Number
(ECCN)
EAR99
RoHS
Compliant
Not
Compliant
Material
High
-
Speed
Steel
Steel
Chuck
Type
Keyless
Component
Collet
Holder
Drill
Chuck
Holder
End
Mill
Holder
Face
Milling
Cutter
Holder
R8
Body
Tool
Holder
Stand
Bit
Shank
Size
1/32"
to
1/2"
1/8"
to
5/8"
1
mm
to
13
mm
3
mm
to
16
mm
Projection
0.64"
3/4"
0.752"
0.906"
1"
1.03"
1.142"
1.266"
1.378"
1.772"
1.78"
2"
2
1/4"
2
1/2"
2
3/4"
3
1/8"
3
1/2"
5"
6"
9"
For
Bit
Shank
Type
Hex
Round
Thread
Size
5/8"
-
11
1"
-
8
M12
M16
M24
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145 Products
Fabricating and Machining
Drill Chucks
Connect drill bits to hand-held drills, drill presses, and milling machines
9 products
Slitting Saw Arbors
Mount and center slitting saws on milling machines
17 products
Hollow-Core Cutter Arbor Adapters
Modify hollow-core cutters to fit larger arbors on drill presses and milling machines
1 product
Milling Machine Collet Chucks
Secure collets in milling machine spindles
15 products
Face Mill Arbors
Mount face milling cutters in milling machines
5 products
Milling Machine Shank Adapters
Convert tools with a Morse taper shank to an R8 shank
2 products
Milling Machine Tool Holders
Connect boring bars and other cutting tools to milling machines
18 products
End Mill Holders
Secure end mills, drills, or reamers in milling machines
22 products
Retention Knobs
Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle
21 products
End Mill Extensions
Lengthen the reach of your end mill
5 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)