McMaster-Carr logo
    Filter by
    System of Measurement
    For Pipe Fitting Size
    Industrial Info Compare
    Thickness
    Blade Material
    Graduation Color
    Tube Fitting Material
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Numeric Graduations
    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)
    4 Products

    All-in-One Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. All-in-One Identifiers.
    Find tube, pipe, fastener, wire, and drill bit sizes with one tool.
    For Use With
    For Screw Size
    For Drill Bit Size
    For Pipe Size
    For Pipe Fitting Size
    Wd.
    Ht.
    Each
     
    Plastic
    Screws, Bolts, Threaded Rods, Drill Bits, Nails, Nuts, Tube Fittings, Pipe, Pipe Fittings, Tubing, WireNo. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/4", 5/16", 3/8", 7/16", 1/2", M3, M4, M5, M6, M8, M10, M12
    		1/32", 3/64", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2", 65 Ga., 60 Ga., 55 Ga., 50 Ga., 45 Ga., 40 Ga., 35 Ga., 30 Ga., 25 Ga., 20 Ga., 15 Ga., 10 Ga., 5 Ga., A, F, K, P, U, Z1/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 3 1/2, 4, 5, 6
    		1/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2
    		10 1/2"3 1/2"20165A3400000
    Screws, Bolts, Threaded Rods, Drill Bits, Nails, Nuts, Tube Fittings, Pipe, Pipe Fittings, Tubing, WireNo. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/4", 5/16", 3/8", 7/16", 1/2", M3, M4, M5, M6, M8, M10, M12
    		1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8"1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2
    		1/8, 1/4, 3/8, 1/2, 3/4, 1
    		8 11/16"4 1/4"20165A330000
     

    Pipe, Tubing, and Hose Size Identifiers

    Image of Product. For Pipe, Pipe Fittings, And Hose. Front orientation. Stainless Steel. Pipe, Tubing, and Hose Size Identifiers.

    For Pipe, Pipe

    Fittings, And

    Hose

    Determine pipe size and inner and outer diameter.
    Stainless Steel—Identifier is stainless steel for corrosion resistance.
    For Use With
    For Pipe Size
    For Pipe Fitting Size
    For Hose ID
    Wd.
    Ht.
    Thk.
    Color
    Each
    Inch
     
    Stainless Steel
    Pipe, Pipe Fittings, Hose1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2
    		1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2
    		1/8", 1/4", 5/16", 3/8", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4"3 3/4"4 1/2"1/32"Silver20195A34000000
     

    Pipe Size Tape Measures

    Image of ProductInUse. Front orientation. Tape Measures. Pipe Size Tape Measures.
    Curl around pipe and pipe fittings to quickly determine their size—no math required. These tape measures are especially useful for measuring mounted pipe since you don’t need to take your system apart.
    Blade
    For Pipe Material
    For Pipe Size
    Wd.
    Material
    Each
    Galvanized Steel, Iron, PVC
    Copper, CPVC    		1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 3 1/2, 4, 5, 6, 8, 10, 12, 14, 16, 18
    1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1 1/8, 1 1/4, 1 1/2, 2, 2 1/2, 3, 3 1/2, 4, 5, 6, 8, 10, 12    		5/16"Plastic2219A21000000
     
    back to top