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Collet Type
5C
ER-16
ER-20
ER-25
ER-32
R8
System of Measurement
Inch
Grip Range
0.242" to 0.281"
0.250" to 0.281"
Collet Size
Hide
1/32"
3/64"
3/64"
to
63/64"
1/16"
5/64"
3/32"
7/64"
1/8"
9/64"
5/32"
11/64"
3/16"
13/64"
7/32"
15/64"
1/4"
17/64"
9/32"
19/64"
5/16"
21/64"
11/32"
23/64"
3/8"
25/64"
13/32"
27/64"
7/16"
29/64"
15/32"
31/64"
1/2"
33/64"
17/32"
35/64"
9/16"
37/64"
19/32"
39/64"
5/8"
41/64"
21/32"
43/64"
11/16"
45/64"
23/32"
47/64"
3/4"
49/64"
25/32"
51/64"
13/16"
53/64"
27/32"
55/64"
7/8"
57/64"
29/32"
59/64"
15/16"
61/64"
31/32"
63/64"
1"
1" to 1
1/16"
1
1/64"
1
1/32"
1
3/64"
1
1/16"
1
5/64"
1
3/32"
1
7/64"
1
1/8"
1
3/16"
1
1/4"
1
3/8"
1
1/2"
1
5/8"
3 mm
3.5 mm
4 mm
5 mm
6 mm
7 mm
8 mm
9 mm
10 mm
10.5 mm
11 mm
12 mm
13 mm
13.5 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
19.5 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
For Holding
Drill Bits
End Mills
Reamers
Workpieces
Overall Length
1.06"
1.22"
1.38"
1.57"
3.27"
4.089"
Face Type
Round
Material
Steel
DFARS Specialty Metals
Exempt
Export Control Classification Number (ECCN)
EAR99
REACH
Not Compliant
RoHS
Compliant
Not Compliant
For Use With
Lathes
Milling Machines
Approximate Diameter Compression
1/32"
Total Indicated Runout (TIR) Accuracy
0.0007"
0.0008"
Specifications Met
DIN 6499
ISO 15488 Form B
Internal Thread Size
7/16"
-20
1.041"-24
Body Diameter
0.95"
1
1/4"
Length
1.06"
1.22"
1.38"
1.57"
3.27"
4.089"
Thread Size
7/16"
-20
1.041"-24
1.238"-20
External Thread Size
1.238"-20
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6 Products
Fabricating and Machining
Milling Machine Collets
Install in a milling machine collet chuck or holder to tightly grip tool bits
5 products
Lathe Collets
Insert into a lathe collet chuck or holder to tightly grip workpieces
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)