McMaster-Carr logo
    Filter by
    System of Measurement
    Grease Fitting Style
    Thread Type
    Hex Size
    Attribute Image
    Overall Height
    Thread Pitch
    Industrial Info Snippet
    Attribute Image
    Shank Type
    Check Valve Type
    Gender
    Shank Length
    For Use With
    Specifications Met
    Thread Length
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    6 Products

    Grease Fittings

    Thread these fittings into motors, bearings, engine blocks, and other machinery to create a lubrication point. They’re also known as hydraulic grease fittings.
    Straight with Male Thread
    Image of Product. Front orientation. Grease Fittings. Grease Fittings, Male, Straight.
    Zinc-Plated Steel—Zinc-plated steel fittings have mild corrosion resistance.
    Brass—Brass fittings resist corrosion better than zinc-plated steel fittings.
    303 Stainless Steel—303 stainless steel fittings are more corrosion resistant than brass fittings and have good chemical resistance.
    Ball Check Valve—Fittings with a check valve prevent grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants.
    Pkg.
    Material
    Overall
    Ht., mm
    Thread
    Lg., mm
    Shank Lg.,
    mm
    Hex Size,
    mm
    Max. Pressure,
    psi
    Check Valve
    Type
    Specs.
    Met
    Pkg.
    Qty.
    1-9
    10-Up
    M5 × 0.8 mm Metric Thread
    Zinc-Plated Steel155.55.5710,000BallDIN 71412100000000000000000000
    Brass155.55.571,450BallDIN 7141250000000000000000
    303 Stainless Steel155.55.5710,000BallDIN 714121000000000000000
     
    90° Elbow with Male Thread
    Image of Product. Front orientation. Grease Fittings. Grease Fittings, Male, 90° Elbow.
    Zinc-Plated Steel—Zinc-plated steel fittings have mild corrosion resistance.
    Ball Check Valve—Fittings with a check valve prevent grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants.
    Pkg.
    Material
    Overall
    Ht., mm
    Thread
    Lg., mm
    Shank Lg.,
    mm
    Hex Size,
    mm
    Max. Pressure,
    psi
    Check Valve
    Type
    Specs.
    Met
    Pkg.
    Qty.
    1-9
    10-Up
    M5 × 0.8 mm Metric Thread
    Zinc-Plated Steel185.55.591,450BallDIN 714121000000000000000000000
     
    45° Elbow with Male Thread
    Image of Product. Front orientation. Grease Fittings. Grease Fittings, 45° Elbow, Male.
    Zinc-Plated Steel—Zinc-plated steel fittings have mild corrosion resistance.
    Ball Check Valve—Fittings with a check valve prevent grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants.
    Pkg.
    Material
    Overall
    Ht., mm
    Thread
    Lg., mm
    Shank Lg.,
    mm
    Hex Size,
    mm
    Max. Pressure,
    psi
    Check Valve
    Type
    Specs.
    Met
    Pkg.
    Qty.
    1-9
    10-Up
    M5 × 0.8 mm Metric Thread
    Zinc-Plated Steel245.55.5910,000BallDIN 71412100000000000000000000
     

    Flush-Style Grease Fittings

    Image of Product. Front orientation. Grease Fittings. Flush-Style Grease Fittings, Male, Straight, Style C.

    Male

    Straight

    Style C

    The nipple doesn't stick out, so these fittings fit in tight spaces and won't be damaged if something knocks into them. An integral check valve prevents grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants.
    Straight with Male Thread
    Image of Product. Front orientation. Grease Fittings. Flush-Style Grease Fittings, Male, Straight, Style C.

    Style C

    Style C—Install Style C with a hex wrench.
    Zinc-Plated Steel—Zinc-plated steel fittings have mild corrosion resistance.
    Pkg.
    Style
    Material
    Overall
    Ht., mm
    Thread
    Lg., mm
    Shank Lg.,
    mm
    Hex Size,
    mm
    Max. Pressure,
    psi
    Check Valve
    Type
    Specs.
    Met
    Pkg.
    Qty.
    1-9
    10-Up
    M5 × 0.8 mm Metric Thread
    CZinc-Plated Steel96671,450BallDIN 34055000000000000000000
     
    back to top