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| Wheel Adapter Parts
Slotted Spindle Nuts
Made from quality alloy steel and heat treated for strength, these spindle nuts feature a flange face precisely perpendicular to the thread for maximum clamping surface. The milled slot provides solid wrench engagement for safety. Right-hand and left-hand threads are easily identified with RH and LH designations stamped on the face. Nuts have black oxide finish | CATALOG NO. | PART NO. | DIMENSIONS |
| | A | B | C |
| | 06001 | S500-1 | 1/2-13LH | 7/8 | 5/16 | | 06002 | S500-2 | 1/2-13RH | 7/8 | 5/16 | | 06003 | S500-3 | 31/64-14LH | 7/8 | 5/16 | | 06004 | S500-4 | 31/64-14RH | 7/8 | 5/16 | | 06005 | S500-5 | 3/8-16LH | 7/8 | 5/16 | | 06006 | S500-6 | 3/8-16RH | 7/8 | 5/16 | | 06007 | S500-7 | 1/2-16LH | 7/8 | 5/16 | | 06008 | S500-8 | 1/2-16RH | 7/8 | 5/16 | | 06009 | S500-9 | 9/16-18LH | 7/8 | 5/16 | | 06010 | S500-10 | 1/4-20RH | 7/8 | 5/16 | | 06011 | S500-11 | 5/16-18RH | 7/8 | 5/16 | | 06012 | S500-12 | 1/2-20LH | 7/8 | 5/16 | | 06013 | S500-13 | 1/2-20RH | 7/8 | 5/16 | | 06022 | S500-14 | #5 DRILL (SOFT) | 7/8 | 5/16 | | 06015 | S500-15 | 7/16-14LH | 7/8 | 5/16 | | 06016 | S500-16 | 7/16-14RH | 7/8 | 5/16 | | 06021* | - | M12XP1LH | 22MM (0.87”) | 13MM (0.51”) |
*Okamoto |  | 
| 06001 | 06022 | 06021 |
| Larger Slotted Spindle Nuts |
| | CATALOG NO. | PART NO. | DIMENSIONS |
| | A | C |
| | 00948 | S501-1 | 1/2-13LH | 1/4 | | 00949 | S501-2 | 1/2-13RH | 1/4 | | 00954 | S501-7 | 1/2-16LH | 1/4 | | 00952 | S501-5 | 3/8-16LH | 1/4 | | 00953 | S501-6 | 3/8-16RH | 1/4 | | 06018 | - | 5/8-11LH | 3/8 | | 06017 | - | 5/8-11RH | 3/8 | | 00950 | S501-3 | 31/64-14LH | 1/4 | | 00951 | S501-4 | 31/64-14RH | 1/4 |
| 
| 
06018 |
| 
| 
06073 |
ROTATION:
RH: Right-hand threads for CCW spindle rotation.
LH: Left-hand threads for CW spindle rotation. 1 2 3 4 5 6 7 | |