McMaster-Carr logo
    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)
    Help me decide (beta)
    6 Products

    Reference Charts

    Image of Product. Front orientation. Reference Charts. Style A.
    Image of Product. Front orientation. Reference Charts. Style B.

    Style A

    Style B

    Keep drill sizes, tap sizes, and fastener torque specs within reach at the machine. These laminated reference charts stand up to shop grime and handling.
    Style A—Style A charts provide decimal equivalents of fractions, wire gauge drill sizes, letter drill sizes, and metric sizes.
    Style B—Style B charts provide a pipe tap drill chart as well as decimal equivalents of tap drill sizes, fractions, wire gauge drill sizes, letter drill sizes, and metric sizes.
    Style
    System of
    Measurement
    Ht.
    Wd.
    Mounting
    Location
    Each
    Decimal Equivalents and Drill Sizes
    AInch, Metric6"3 3/8"—3233T1100000
    AInch, Metric13"8 1/2"Wall3233T150000
    BInch, Metric6"3 3/8"—3233T120000
    BInch, Metric13"8 1/2"Wall3233T160000
     

    Screw Size Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. Screw Size Identifiers, Metric.

    Metric

    Identify unknown screws, bolts, threaded rods, pins, rivets, and drill bits by inserting them into labeled holes on these steel reference plates. Faster and more reliable than measuring with calipers, the plates eliminate guesswork when sorting mixed fasteners or selecting the correct tap drill size.
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Thread Size
    For Screw Size
    For Drill Bit Size
    Wd.
    Ht.
    Thk.
    Each
    Metric
     
    Steel
    Screws, Bolts, Threaded RodsMetric
    		ExternalM8 × 0.75 mm, M8 × 1 mm, M8 × 1.25 mm, M9 × 0.75 mm, M9 × 1 mm, M9 × 1.25 mm, M10 × 0.75 mm,
    M10 × 1 mm, M10 × 1.25 mm, M10 × 1.5 mm, M11 × 0.75 mm, M11 × 1 mm, M11 × 1.5 mm, M12 × 1 mm,
    M12 × 1.25 mm, M12 × 1.5 mm, M12 × 1.75 mm, M14 × 1.25 mm, M14 × 1.5 mm, M14 × 2 mm    		M8, M9, M10, M11, M12, M14
    		—5 1/8"5 3/8"1/8"98728A116000000
    Screws, Bolts, Threaded Rods, Drill BitsMetric
    		ExternalM2 × 0.25 mm, M2 × 0.4 mm, M2.2 × 0.25 mm, M2.2 × 0.45 mm, M2.5 × 0.35 mm, M2.5 × 0.45 mm, M3 × 0.35 mm,
    M3 × 0.5 mm, M3.5 × 0.35 mm, M3.5 × 0.6 mm, M4 × 0.5 mm, M4 × 0.7 mm, M4.5 × 0.5 mm, M4.5 × 0.75 mm,
    M5 × 0.5 mm, M5 × 0.8 mm, M5.5 × 0.5 mm, M6 × 0.75 mm, M6 × 1 mm, M7 × 0.75 mm, M7 × 1 mm    		M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5, M5.5, M6, M7
    		7/32", 52 Ga., 50 Ga., 48 Ga., 46 Ga., 45 Ga., 43 Ga., 39 Ga., 37 Ga., 32 Ga., 31 Ga., 30 Ga., 28 Ga., 25 Ga., 22 Ga., 21 Ga., 18 Ga., 16 Ga., 10 Ga., 8 Ga., 4 Ga., B, D, J3"5 3/8"3/32"98728A11400000
     
    back to top