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SPINDLE IDENTIFICATION FOR MOUNTING PLATES
SPINDLE TYPE “A 1 & A 2”
Spindle nose A B C (MAX) E1 & E2 F1 F2
A-4 2.500 0.437 7/16”-14 3.250 -----
A-5 3.251 0.563 7/16”-14 4.125 2.437
A-6 4.188 0.625 1/2”-13 5.250 3.250
A-8 5.501 0.688 5/8”-11 6.750 4.375
A-11 7.751 0.750 3/4”-10 9.250 6.500
A-15 11.251 0.813 7/8”-9 13.00 9.750
A-20 16.251 0.875 1.00”-8 18.250 14.500
A-28 23.001 1.000 1-1/4”-7 25.500 10.438
American Standard Style A1 - A2 Diagram American Standard Style A1 - A2 Drawing
L SPINDLE TYPE LONG TAPER KEY DRIVE
Spindle nose A THREAD B C KEY
L00 3-3/4”-6 2.000 3/8 X 3/8 X 1-1/2
L0 4-1/2”-6 2.375 3/8 X 3/8 X 1-3/4
L1 6.00”-6 2.875 5/8 X 5/8 X 2-3/8
L2 7-3/4”-5 3.375 3/4 X 3/4 X 2-7/8
L3 10-3/8”-4 3.875 1.00 X 1.00 X 3-1/4
Diagram-L SPINDLE TYPE LONG TAPER KEY DRIVE Drawing-L SPINDLE TYPE LONG TAPER KEY DRIVE
THREADED MOUNTING PLATES
Spindle nose thread
A
1.00”-8
1.00”-10
1-1/2”-8
1-3/4”-8
2-1/4”-8
2-3/8”-6
2-3/4”-8
Threaded Mounting Plate Diagram Threaded Mounting Plate Drawing
D1 CAMLOCK SPINDLE TYPE
Spindle noseA B C (MAX) CAMSTUD DIA “E” F
D1-3 2.125 0.437 9/16 2.782
D1-4 2.500 0.437 5/8 3.250
D1-5 3.251 0.500 3/4 4.125
D1-6 4.188 0.625 7/8 5.250
D1-8 5.501 0.688 1.00 6.750
D1-11 7.751 0.750 1-3/16 9.250
D1-15 11.251 0.813 1-3/8 13.00
Diagram-D1 CAMLOCK SPINDLE TYPE Drawing-D1 CAMLOCK SPINDLE TYPE

How to Determine Mounting Need:

Determine spindle type from pictures shown.
Measure major diameter of taper and match to chart for your specific spindle type.
For threaded spindles, you will need threads per inch.
 
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