Collets & Applications

Basic dimensions to help identify collets,
I will add to the list as I find data...


Hardinge Collet No. Standard Collet Maximum Capacity in Inches Major Dimensions in Inches
Round Square Hexagon Body A Thread B Length C
3AM
1AM
3AT
2B
2AB
3B
1C
3C
4C
5C
115
215
2H
3H
6H
8H
2L
6L
1K
10L
3PN
4PN
5PN
5P
7P
l0P
2VB
3NS
40S
4NS
5NS
4C
2S
3S
1J
2J
3J
5SC
52SC
IA
2A
32S
4S
42S
5V
20V
8WN
Ames 5/8 Inch Cap.
Ames 1 Inch Cap.
Atlas
Becker No. 2
Becker No. 2A
Becker No. 3
Cataract No. 1
Cataract No. 3
Cataract No. 4
Cataract No. 5
Cushman No. 115
Cushman No. 215
Hendey No. 2
Hendey No. 3
Hendey No. 6
Hendey No. 8
LeBlond No. 2
LeBlond No. 6
Kearney & Trecker
LeBlond No. 10
Pratt & Whitney #3NS
Pratt & Whitney # 4
Pratt & Whitney # 5
Pratt & Whitney # 5
Pratt & Whitney # 7
Pratt & Whitney # 10
Reed Prentice # 2V
Rivett No. 3NS
Rivett No. 40S
Rivett No. 4NS
Rivett No. 5NS
Rockwell 10"
Seneca No. 2
Seneca No. 3
Sjogren No. 1
Sjogren No. 2
Sjogren No. 3
Sloan & Chace # 5
Sloan & Chace # 5-1/2
South Bend No. 1A
South Bend No. 2A
Stark No. 3-1/2
Stark No. 4
Stark No. 4-1/2
Van Norman No. 5
Van Norman No. 112
Wade American # 8
5/8
1
1/2
1/2
9/16
3/4
1/4
1/2
3/4
1-1/16
1-1/8
1-3/4
5/8
7/8
1-1/8
1-1/4
3/4
1
1
1-1/4
1/2
3/4
1
5/8
7/8
1-1/4
1/2
1/2
1/2
5/8
7/8
3/4
9/16
3/4
1
1-3/8
1-3/4
3/8
5/8
1/2
11/16
1/2
3/4
1
5/8
1
7/16
23/32
11/32
11/32
25/64
17/32
11/64
11/32
17/32
3/4
51/64
1-7/32
7/16
5/8
51/64
7/8
17/32
23/32
23/32
7/8
11/32
17/32
23/32
7/16
5/8
7/8
11/32
11/32
11/32
7/16
5/8
17/32
25/64
17/32
3/4
31/32
1-7/32
17/64
7/16
11/32
15/32
11/32
17/32
23/32
7/16
23/32
32/32 
17/32
7/8
7/16
7/16
31/64
21/32
7/32
7/16
21/32
29/32
31/32
1-1/2
17/32
3/4
31/32
1-1/16
21/32
7/8
7/8
1-1/16
7/16
21/32
7/8
17/32
3/4
1-1/16
7/16
7/16
7/16
17/32
3/4
21/32
31/64
21/32
7/8
1-3/16
1-1/2
21/64
17/32
7/16
19/32
7/16
21/32
7/8
17/32
7/8
7/8 
0.750
1.125
 0.687
0.590
0.750
0.875
0.335
0.650
0.950
1.250
1.344
2.030
0.826
1.125
1.375
1.500
0.950
1.250
1.250
1.562
0.650
1.000
1.312
0.812
1.125
1.500
0.595
0.687
0.750
0.826
1.062
0.950
0.750
1.000
1.250
1.625
2.000
0.600
0.800
0.650
0.860
0.703
0.998
1.250
0.850
1.250
1.250 
.745-24-RH
1.120-24-RH
.645-26-RH
.437-26-RH
.500-20-RH
.625-16-RH
.325-40-RH
.645-26-RH
.945-20-RH
1.245-20-RH
1.312-20-LH
2.000-18-LH
.812-20-RH
1.062-20-RH
1.312-20-RH
1.437-20-RH
.945-20-RH
1.187-20-RH
No Thread 
1.500-18-RH
.645-24-RH
.995-16-RH
1.307-16-RH
.807-24-RH
1.120-20-RH
1.495-20-RH
.437-26-RH
.650-20-RH
.670-20-RH
.812-20-RH
1.050-20-RH
.945-20-RH
.745-18-RH
.995-20-RH
1.245-20-RH
1.620-18-RH
1.995-20-RH
.500-26-RH
.795-20-RH
.645-26-RH
.850-20-RH
.695-24-RH
.988-20-RH
1.245-20-RH
.772-18-RH
No Thread
1.245-16-RH 
3-3/16
3-29/32
2-5/16
2-1/32
2-9/16
3-7/16
1-7/16
2-11/16
3
3-9/32
3-1/2
4-3/4
4-1/4
4-7/16
4-3/4
4-3/4
3
4-7/16
2-1/2
5-1/2
2-1/16
2-29/32
3-13/32
3-11/16
4-3/4
4-3/4
2-7/16
2-7/8
2-25/32
3-1/2
4-7/32
3
3-15/64
4-19/32
3
3-1/4
3-3/4
2-7/16
3-11/16
2-9/16
3-5/16
2-9/16
3-3/4
3-11/16
3-7/8
3-11/16
3-7/8
Index
 
 
 
 
 
 

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