Button Head Grease Fittings

Button head grease fittings are designed to handle high volumes of lubricant while providing easy engagement and removal of grease fitting couplers. They are typically are used in rugged applications such as heavy machinery, construction equipment and off road equipment.

M. Brown offers a variety of button head grease fittings in assorted thread sizes and different styles to support your equipment lubrication needs. Standard button head fittings feature a 5/8” diameter head, but we also carry giant button head grease fittings that feature 7/8” diameter heads. Metric button head fittings, BSP giant head fittings that comply with DIN #3404 and BSPP fittings are also available. 

Samples are readily available in all styles.

Standard Button Head Grease Fittings
Standard 5/8" head used in rugged applications such as heavy machinery.
Check for availability in stainless.

MB PART # Description
Type
Height
Shank
Hex
Alemite #
Lincoln #
Balcrank #
MBC69 1/8" Npt
Female
31/32"
13/32"
5/8"
C69
5703
MB1184 1/8" Npt
Plunger
3/4"
11/32"
5/8"
A1184
MB1184B 1/8" Npt
Ball
51/64"
5/8"
5700/5701
MB1186 1/4" Npt
Plunger
53/64"
27/64"
5/8"
A1186
MB1186B 1/4" Npt
Ball
53/64"
27/64"
5/8"
5705/5706
MB1188 3/8" Npt
Plunger
61/64"
31/64"
3/4"
A1188
MB1188B 3/8" Npt
Ball
61/64"
31/64"
3/4"
5710/5711
MB1190 1/2" Npt
Plunger
1-1/16"
35/64"
5/8"
A1190
MB1184-SS 1/8" Npt Stainless
Plunger
5/8"
MB1186-SS 1/4" Npt Stainless
Plunger
5/8"
MB1188-SS 3/8" Npt Stainless
Plunger
5/8"
MBM1184 1/8" Npt Monel
Plunger-Monel
3/4"
11/32"
5/8"
M1184

Giant Button Head Grease Fittings
7/8" Head used for extreme applications.
Check for availability in Stainless

Part # Description
Head
Height
Shank
Hex
Alemite #
Lincoln #
MB1831 1/8" Npt
7/8"
1-5/32"
17/64"
7/8"
1831
5775
MB1823 1/4" Npt
7/8"
1-1/4"
7/16"
7/8"
1823
5750
MB1822 3/8" Npt
7/8"
1-5/16"
7/16"
7/8"
1822
5755
MB1821 5/8"-18 Unf 3A
7/8"
1-5/16"
9/16"
7/8"
1821
5781
MB1820 1/2" Npt
7/8"
1-1/16"
25/64"
7/8"
1820
5760
AS Fittings MS Fittings NAS Fittings Assortment BACF Grease Fittings Brass British BSF British BSP British BSPP British BSPT Buttonhead Grease Fittings Drive Grease Fittings Grease Fittings Feedline Flush Grease Fittings Hydraulic Grease Fittings Junction Block Leakproof Metric Grease Fittings Monel Grease Fittings Pin Type Grease Fittings Relief Grease Fittings Rivet Grease Fittings Safety Vents Self Threading Grease Fittings Shut-off Special Thread Stainless Accessories Extensions Metric-English Adapters Elbows 45° - 90° Plugs Bushings Lock Nut Male to Female Adapters Male to Male Adapters Female to Female Adapters Couplers Grease Guns Swivels Hoses Plastic Caps Tools