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Grease Fitting
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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.

Taper Grease Fittings
      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

Taper Thread Grease Fittings


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SAE Products 1709 Husted Rd. (#4) Conway, SC 29526 - Phone:1-800-588-8480 Fax: 1-843-349-0738

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