Specifications For American
Lathe Spindle Noses

Spindle Type "A-1"


 

Size
 B
 C
D
F
 NC-3
A1-5"
5-1/4
3.25050
.5625
1.2187
2.0625
.6525
7/16-14
A1-6"
6-1/2
4.18800
.6250
1.6250
2.6250
 .7500
1/2-13
A1-8"
8-1/4
5.50075
.6875
2.1875
3.3750
 .9375
 5/8-11
A1-11"
11
7.75075
.7500
3.2500
4.6250
1.1250
 3/4-10
A1-15"
15
11.2510 .8125 4.8750 6.5000 1.3750
7/8-9
A1-20"
20-1/2
16.2510
.8750
7.2500
9.1250
1.6250
1-8

 
Camlock Spindle Type "D-1"


Spindle
Nose
Size
 A B C D
E
+0.002
D1-3"1 3-5/8 2.12500
+0.00025
7/16 1.3910
+0.002
0.59370
D1-4"1 4-5/8 2.50050
+0.0005
7/16 1.6250
+0.003
0.65620
D1-5"1 5-3/4 3.25050
+0.0005
1/2 2.0625
+0.003
0.78125
D1-6"1 7-1/8 4.18800
+0.0005
9/16 2.6250
+0.003
0.90625
D1-8"1 8-7/8 5.50075
+0.0005
5/8 3.3750
+0.003
1.03125
D1-11" 11-3/4 7.75075
+0.0005
11/16 4.6250
+0.006
1.21875

 
Long Taper Key Drive Type "L"


 

 Spindle 
Nose
Size
 A
+0.002
B
C
D
E
 Key
LOO
2.750
3.745
2
6TPI
9/16
3/8 x 3/8 x 1-1/2
LO
3.250
4.496
2-3/8
6TPI
5/8
3/8 x 3/8 x 1-3/4
L1
4.125
5.996
2-7/8
6TPI
3/4
5/8 x 5/8 x 2-3/8
L2
5.250
7.745
3-3/8
5TPI
1
3/4 x 3/4 x 2-7/8
L3
6.500
10.370
3-7/8
4TPI
1-1/8
1 x 1 x 3-1/4
Index