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Taper Thread Grease Fittings
Taper Thread Grease Fittings are used on cars, trucks and many types of industrial machinery. It is recommended that SAE-LT taper threads (Society of Automotive Engineers Lubrication Threads) be installed into straight holes with a 1/4''-28 UNF-3B straight-threaded hole. The included angle of the thread for a 1/4"-28 taper thread grease zerk is 60º. Taper thread grease fittings include a dirt-excluding ball check. Taper thread grease fittings are also referred to as taper thread zerk fittings, taper thread grease zerks, or a taper thread zerk.
Several sizes available in both Stainless Steel and Monel.
 |
| 1/4"-28 TAPER THREAD GREASE FITTINGS * 1/4"-28 TAPER THREAD GREASE FITTINGS * 1/4"-28 TAPER THREAD GREASE FITTINGS | |||||||
| SAE Number | Grease Fitting Description | FIG |
A |
B |
X |
Alemite
# |
Lincoln
# |
| 1/4"-28 SAE STRAIGHT | 1 |
35/64" |
3/16" |
5/16" |
1641-B |
5010 |
|
| 1/4"-28 SAE LONG THREAD | 4 |
11/16" |
23/64" |
5/16" |
1652-B |
5013 |
|
| 1/4"-28 SAE MEDIUM LONG | 4 |
31/32" |
5/8" |
5/16" |
1680-B |
5014 |
|
| 1/4"-28 SAE LONG | 4 |
1-1/8" |
25/32" |
5/16" |
1698-B |
5017 |
|
| 1/4"-28 STRAIGHT VERY LONG | 4 |
1-5/8" |
1" |
5/16" |
3014-B |
N/A |
|
| 1/4"-28 SAE 45 DEGREE | 2 |
27/32" |
7/32" |
3/8" |
1637-B1 |
5210 |
|
| 1/4"-28 SAE 65 DEGREE | 2 |
3/4" |
7/32" |
3/8" |
N/A |
5311 |
|
| 1/4"-28 65° LONG THREAD | 2 |
13/16" |
19/64" |
3/8" |
3010-B1 |
700396 |
|
| 1/4"-28 SAE 90 DEGREE | 3 |
3/4" |
7/32" |
3/8" |
1911-B1 |
5410 |
|
