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    76 Products

    Screw Size Identifiers

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

    Inch

    Metric

    Find thread size, screw size, diameter, or drill bit size.
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Thread Size
    For Screw Size
    For Dia.
    For Drill Bit Size
    Wd.
    Ht.
    Thk.
    Each
    Inch
     
    Steel
    Screws, Bolts, Threaded Rods, Pins, Rivets, Drill BitsUNC/UNFExternal1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-36, 4-40, 4-48, 5-40, 5-44, 6-32, 6-36, 6-40, 8-32, 8-36, 8-40, 10-24, 10-32,
    12-24, 12-28, 12-32, 1/4"-20, 1/4"-28, 1/4"-32, 5/16"-18, 5/16"-24, 5/16"-32
    No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16"
    0.073", 0.086", 3/32", 0.112", 1/8", 0.138", 5/32", 0.164", 3/16", 7/32", 1/4", 9/32", 5/16"7/32", 1/4", 9/32", 5/16", 53 Ga., 51 Ga., 50 Ga., 48 Ga., 47 Ga., 45 Ga., 43 Ga., 42 Ga., 39 Ga., 38 Ga., 37 Ga., 36 Ga., 35 Ga., 33 Ga., 30 Ga., 29 Ga., 28 Ga., 25 Ga., 23 Ga., 21 Ga., 19 Ga., 16 Ga., 14 Ga., 13 Ga., 10 Ga., 8 Ga., 3 Ga., F, I3"5 1/8"5/64"98728A112000000
     
    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"98728A11600000
    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
     

    Reference Charts

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

    Style A

    Style B

    Style C

    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 C—Style C charts list specifications and torque tightening guidelines for alloy steel socket screws.
    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
     
    Socket Screw Specifications
    CInch92243A5100000
    CMetric92243A6100000
     

    Wall-Mount Thread-It Screw, Bolt, and Nut Size Identifiers

    Image of Product. Front orientation. Contains Inset. Thread Size Identifiers. Wall-Mount Thread-It Screw, Bolt, and Nut Size Identifiers.
    Mount to a wall for easy access, and thread your fastener into holes or onto plugs for quick and accurate size identification.
    Mounting
    Holes
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Thread Size
    Wd.
    Ht.
    Thk.
    No.
    of
    Hole
    Dia.
    Fasteners
    Included
    Each
    Inch/Metric
     
    Steel
    Screws, Bolts, Threaded Rods, NutsUNC/UNF/MetricExternal/Internal6-32, 8-32, 10-24, 10-32, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20,
    1/2"-13, 1/2"-20, 9/16"-12, 9/16"-18, M4 × 0.7 mm, M5 × 0.8 mm, M6 × 1 mm, M7 × 1 mm, M8 × 1 mm,
    M8 × 1.25 mm, M10 × 1 mm, M10 × 1.25 mm, M10 × 1.5 mm, M12 × 1.25 mm, M12 × 1.5 mm,
    M12 × 1.75 mm
    3"39"1/2"35/16"No20375A27000000
     

    Screw, Bolt, and Nut Size Identifiers

    Image of Product. Inch. Front orientation. 7 1/2" Wide. Screw, Bolt, and Nut Size Identifiers.
    Image of Product. Inch/Metric. Front orientation. 9" Wide. Screw, Bolt, and Nut Size Identifiers.
    Image of Product. Metric. Front orientation. 3 3/16" High. Screw, Bolt, and Nut Size Identifiers.

    Inch

    Inch/Metric

    Metric

    Use on external and internal fastener threads.
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Screw Size
    For Thread Pitch, mm
    For Nut Size
    Wd.
    Ht.
    Thk.
    Each
    Inch
     
    Plastic
    Screws, Bolts, Threaded Rods, NutsExternal/InternalNo. 8, No. 10, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4"
    No. 8, No. 10, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8"
    7 1/2"2 3/8"1/64"98845A65000000
     
    Inch/Metric
     
    Plastic
    Screws, Bolts, Threaded Rods, NutsExternal/InternalNo. 6, No. 8, No. 10, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4", 1", M6, M7, M8, M10, M12, M14, M16, M18, M20, M22
    No. 8, No. 10, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8"
    9"3 3/4"1/64"98845A6700000
     
    Metric
     
    Plastic
    Screws, Bolts, Threaded Rods, NutsMetric
    External/InternalM6, M7, M8, M10, M12, M14, M16
    1, 1.25, 1.5, 1.75, 2M10, M11, M13, M17, M19, M22, M245 1/4"3 3/16"1/64"98845A6600000
     

    Tap and Drill Chart/Rulers

    Image of Product. Front orientation. Tap and Drill Chart/Rulers.
    One side of this ruler lists tap and drill sizes. The other side has a decimal equivalent table and a 6" rule.
    Graduation
    Lg.
    Wd.
    Graduations
    Color
    Location
    Numeric
    Graduations
    Material
    Features
    Each
    7"1 1/4"1/64"BlackFront8/64"Stainless Steel
    Tap and Drill Sizes for UNF, UNC, Metric ISO, and American Standard Pipe Thread Sizes
    Decimal Equivalent Table for 1/64" to 63/64"
    Hanging Hole
    2119A2100000

    Drill Bit Size Gauges

    Image of Product. Front orientation. Drill Bit Size Gauges. For Inch.
    Image of Product. Front orientation. Drill Bit Size Gauges. For Letter Size.
    Image of Product. Front orientation. Drill Bit Size Gauges. For Metric.
    Image of Product. Front orientation. Drill Bit Size Gauges. For Wire Gauge.

    For Inch

    For

    Letter

    Size

    For

    Metric

    For Wire

    Gauge

    Measure drill bit sizes with these gauges.
    For Taps—Drills/taps gauges include a tap size conversion chart.
    For System of
    Measurement
    For Use
    With
    For Drill Bit Size
    Wd.
    Ht.
    Thk.
    Material
    Color
    Mounting
    Hole Dia.
    Each
    InchDrills1/16", 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"2 1/2"6 1/2"5/64"SteelSilver1/8"8986A67000000
    Letter SizeDrillsA, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z2 1/2"6 1/2"5/64"SteelSilver1/8"8986A6500000
    MetricDrills1.5 mm, 2.0 mm, 2.25 mm, 2.5 mm, 2.75 mm, 3.0 mm, 3.25 mm, 3.5 mm, 3.75 mm, 4.0 mm, 4.25 mm, 4.5 mm, 4.75 mm, 5.0 mm, 5.25 mm, 5.5 mm, 6.0 mm, 6.5 mm, 7.0 mm, 7.5 mm, 8.0 mm, 8.5 mm, 9.0 mm, 9.5 mm, 10.0 mm, 10.5 mm, 11.0 mm, 11.5 mm, 12.0 mm, 12.5 mm2 1/2"6 1/2"5/64"SteelSilver1/8"8986A6400000
    Wire GaugeDrills80 Ga., 79 Ga., 78 Ga., 77 Ga., 76 Ga., 75 Ga., 74 Ga., 73 Ga., 72 Ga., 71 Ga., 70 Ga., 69 Ga., 68 Ga., 67 Ga., 66 Ga., 65 Ga., 64 Ga., 63 Ga., 62 Ga., 61 Ga.1"3"5/64"SteelSilver1/8"8986A6600000
    Wire GaugeDrills/Taps60 Ga., 59 Ga., 58 Ga., 57 Ga., 56 Ga., 55 Ga., 54 Ga., 53 Ga., 52 Ga., 51 Ga., 50 Ga., 49 Ga., 48 Ga., 47 Ga., 46 Ga., 45 Ga., 44 Ga., 43 Ga., 42 Ga., 41 Ga., 40 Ga., 39 Ga., 38 Ga., 37 Ga., 36 Ga., 35 Ga., 34 Ga., 33 Ga., 32 Ga., 31 Ga., 30 Ga., 29 Ga., 28 Ga., 27 Ga., 26 Ga., 25 Ga., 24 Ga., 23 Ga., 22 Ga., 21 Ga., 20 Ga., 19 Ga., 18 Ga., 17 Ga., 16 Ga., 15 Ga., 14 Ga., 13 Ga., 12 Ga., 11 Ga., 10 Ga., 9 Ga., 8 Ga., 7 Ga., 6 Ga., 5 Ga., 4 Ga., 3 Ga., 2 Ga., 1 Ga.2 1/2"6 1/2"5/64"SteelSilver1/8"8986A6800000

    Thread-It Screw, Bolt, and Nut Size Identifiers

    Image of Product. Front orientation. Contains Inset. Thread Size Identifiers. Thread-It Screw, Bolt, and Nut Size Identifiers.
    Thread your fastener into holes or onto plugs for quick and accurate size identification.
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Thread Size
    Each
    Inch
     
    Steel
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal6-32, 6-40, 8-32, 10-24, 10-32, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20,
    1/2"-13, 1/2"-20, 9/16"-12, 9/16"-18, 5/8"-11, 5/8"-18, 3/4"-10, 3/4"-16, 1"-8, 1"-12
    20375A14000000
     
    Inch/Metric
     
    Steel
    Screws, Bolts, Threaded Rods, NutsUNC/UNF/MetricExternal/Internal6-32, 8-32, 10-24, 10-32, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20,
    1/2"-13, 1/2"-20, M4 × 0.7 mm, M5 × 0.8 mm, M6 × 1 mm, M7 × 1 mm, M8 × 1 mm, M8 × 1.25 mm,
    M10 × 1 mm, M10 × 1.25 mm, M10 × 1.5 mm, M12 × 1.25 mm, M12 × 1.5 mm, M12 × 1.75 mm
    20375A2100000
     
    Metric
     
    Steel
    Screws, Bolts, Threaded Rods, NutsMetric
    External/InternalM3 × 0.5 mm, M4 × 0.7 mm, M5 × 0.8 mm, M6 × 1 mm, M7 × 1 mm, M8 × 1 mm, M8 × 1.25 mm, M10 × 1 mm,
    M10 × 1.25 mm, M10 × 1.5 mm, M12 × 1.25 mm, M12 × 1.5 mm, M12 × 1.75 mm, M14 × 1.5 mm, M14 × 2 mm,
    M16 × 1.5 mm, M16 × 2 mm, M20 × 1.5 mm, M20 × 2.5 mm, M24 × 2 mm, M24 × 3 mm
    20375A1700000
     

    Reference Books

    Image of Product. Front orientation. Reference Books.
    Title
    No. of
    Volumes
    Each
    Technical
    Pocket Reference15212T21000000
     

    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, Tubing, And Hose. Front orientation. Plastic. 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, Tubing, And

    Hose

    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 Tube OD
    For Hose ID
    Includes
    Wd.
    Ht.
    Thk.
    Color
    Each
    Inch
     
    Plastic
    Pipe, Hose, Tubing1/8, 1/4, 3/8, 1/2, 3/4
    1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4", 1"1/4", 3/8", 1/2", 3/4", 1"Compression Fitting Chart9"3 3/4"7/64"Blue1976A2200000
     
    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"Silver20195A3400000
     

    Thread Identifier Sets

    Image of Product. Front orientation. Thread Size Identifiers. Thread Identifier Sets.
    Set includes calipers and gauges to identify external and internal threads.
    Container
    For Use With
    For Thread Type
    For Thread
    Location
    Type
    Material
    Includes
    Each
    Inch/Metric
     
    Steel
    Screws, Bolts, Threaded Rods, Nuts, PipeNPT, UNC, UNF, BSPT, BSPP, MetricExternal/InternalFolding CasePlasticCaliper, Instruction Book, Two Steel Angle Gauges, Two Steel Gauges7863K1000000
     

    O-Ring Sizing Cones

    Image of Product. For 1/4" to 3" ID O-Rings. Front orientation. O-Ring Gauges. 1/4" to 3" for O-Ring ID Range.
    Image of Product. For 1/4" to 5-5/8" ID O-Rings. Front orientation. Contains Inset. O-Ring Gauges. 1/4" to 5 5/8" for O-Ring ID Range.
    Image of Product. For 6 mm to 69 mm ID O-Rings. Front orientation. O-Ring Gauges. 6 mm to 69 mm for O-Ring ID Range.

    For 1/4" to 3" ID O-Rings

    For 1/4"

    to 5-5/8"

    ID O-Rings

    For 6 mm to

    69 mm ID

    O-Rings

    Place an O-ring onto one of these sizing cones to determine the size of your O-ring.
    1/4" to 3" for O-Ring ID Range—Cone for 1/4” to 3” ID ranges comes with a sizing tape to identify large O-rings with a 3 1/8” to 8” ID. This two-piece measuring system identifies 226 dash numbers.
    1/4" to 5 5/8" for O-Ring ID Range—Cone for 1/4" to 5 5/8" ID ranges identifies 209 dash numbers.
    6 mm to 69 mm for O-Ring ID Range—Cone for 6 mm to 69 mm ID ranges identifies the actual O-ring size.
    For O-Ring
    ID Range
    For O-Ring Wd.
    Ht.
    Each
    1/4" to 3"0.07", 0.103", 0.139", 0.21", 0.275"7 3/4"9440K41000000
    1/4" to 5 5/8"0.07", 0.103", 0.139", 0.21", 0.275"17 5/8"9440K4200000
    6 mm to 69 mm1 mm, 2 mm, 3 mm, 4 mm, 5 mm7 7/8"9440K4300000

    Drill Point Angle Gauges

    Image of ProductInUse. Front orientation. Drill Point Angle Gauges.
    Verify 118° drill point angles after sharpening. The ruler has a hook for alignment.
    Ruler
    For Use
    With
    Lg.
    Wd.
    Front Graduation Marks
    (Numeric Increments)
    Back Graduation Marks
    (Numeric Increments)
    Lg.
    Wd.
    Thk.
    Color
    Graduation
    Color
    Each
    For Inch
     
    Steel
    118° Drills6"3/4"1/64" (8/64"), 1/32" (4/32")1/8" (1"), 1/16" (1")6 1/4"2 5/32"3/64"SilverBlack8609A510000000
     

    Grease Fitting Size Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. Grease Fitting Size Identifiers.
    Take the guesswork out of determining the thread type and size of a grease fitting. Screw the shank of a grease fitting into the labeled holes of these identifiers until you find the one that fits.
    For Use With
    For Thread Type
    For Thread
    Location
    For Thread Size
    For Screw
    Size
    For Pipe
    Size
    Wd.
    Ht.
    Thk.
    Each
    Inch/Metric
     
    Aluminum
    Grease FittingsNPT, SAE-LT, BSW, UNF, BSPT, BSF, MetricExternal3/16"-32, 1/4"-20, 1/4"-26, 1/4"-28, 5/16"-18, 5/16"-22, 5/16"-24, 3/8"-20, 3/8"-24, 1/2"-12,
    M6 × 0.75 mm, M6 × 1 mm, M8 × 1 mm, M8 × 1.25 mm, M10 × 1 mm, M10 × 1.5 mm
    1/8", 1/4"
    1/8, 1/4, 3/8
    8 1/2"3"1/4"6672N11000000
     

    Pipe Size Chart/Rulers

    Image of ProductInUse. Front orientation. Pipe Size Chart/Rulers.
    Measure outer diameter and mark lines around pipe. A pipe size conversion chart is printed on these chart/rulers. They’re fiber-reinforced rubber for grease, oil, gasoline, and salt water resistance.
    For Pipe OD
    Lg.
    Wd.
    Thk.
    Measuring
    Lg.
    Graduations (Numeric
    Graduations)
    Color
    Graduation
    Color
    Max. Temp.,
    ° F
    Each
    Rubber
    1" to 6", 2 mm to 60 cm30"2 5/8"3/64"28"1/16" (1"), 2 mm (1 cm)GrayWhite3608991A71000000
    2" to 16", 2 mm to 78 cm60"3 7/8"3/64"36"1/16" (1"), 2 mm (1 cm)GrayWhite3608991A7300000
    6" to 30", 2 mm to 77 cm120"5 1/4"3/64"36"1/16" (1"), 2 mm (1 cm)GrayWhite3608991A7500000
     

    Pipe Thread Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. Pipe Thread Identifiers.
    Check external NPT thread size and taper.
    For Use
    With
    For Thread
    Type
    For Thread
    Location
    For Pipe Size
    Wd.
    Ht.
    Thk.
    Color
    Each
     
    Aluminum
    PipeNPT
    External1/16, 1/8, 1/4, 3/8, 1/2
    2"3"1/4"Blue1980A1000000
     

    Threads per Inch and Center Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. Threads per Inch and Center Identifiers.
    Identify threads per inch on external threads and find the center of your workpiece to line up thread-cutting tools. This identifier has a corrosion-resistant satin-chrome finish that reduces glare.
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Threads
    per In.
    Lg.
    Wd.
    Thk.
    Mfr.
    Mfr. Model
    No.
    Appearance
    Each
    Inch
     
    Chrome-Plated Steel
    Screws, Bolts, Threaded RodsUNC/UNFExternal14, 20, 24, 322 1/4"3/4"3/64"StarrettC391Satin2072A11000000
     

    Threads per Inch and Thread Pitch Size Checkers

    Image of ProductInUse. Front orientation. Thread Size Identifiers. Threads per Inch and Thread Pitch Size Checkers.
    Image of Attribute. Front orientation. Contains Annotated. Thread Size Identifiers. Threads per Inch and Thread Pitch Size Checkers.
    Inspect fasteners and verify threads with this checker. It includes three wires for each of the pitch diameters. Select the wire that best fits the threads; then calculate the pitch diameter with the equations provided.
    Wire
    Container
    For Use With
    For Thread Type
    For Thread
    Location
    For Threads per In.
    For Thread Pitch, mm
    For Acme Threads per In.
    No. of
    Wires
    Lg.
    Material
    Type
    Material
    Each
    Inch/Metric
    Screws, Bolts, Threaded Rods, PipeNPT, UNC, UNF, Metric, AcmeExternal3, 3 1/2, 4, 4 1/2, 5, 5 1/2, 6, 7, 7 1/2, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 16, 18, 20, 24, 27, 28, 32, 36, 40, 44, 480.5, 0.6, 0.7, 0.75, 0.8, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 63, 4, 5, 6, 8, 10, 12, 14, 16482 3/4"Stainless Steel
    PouchVinyl Plastic2082A1000000
     

    Threads per Inch and Thread Pitch Identifiers

    Image of ProductInUse. Front orientation. Contains Border. Thread Size Identifiers. Threads per Inch and Thread Pitch Identifiers.
    Image of Product. Front orientation. Thread Size Identifiers. Threads per Inch and Thread Pitch Identifiers.
    Determine threads per inch and thread pitch on nuts, bolts, and other fasteners. Identifiers in a variety of sizes are riveted together in a fan design—pull one out and hold it against your threads to see if it fits. Once you’ve found a match, fold identifiers in to store them in your pocket or tool bag.
    Folded
    For Use With
    For Thread Type
    For Thread
    Location
    For Threads per Inch
    For Thread Pitch, mm
    No. of
    Identifiers
    Lg.
    Wd.
    Mfr.
    Mfr. Model
    No.
    Each
    Inch
     
    Steel
    Screws, Bolts, Threaded Rods, NutsBSWExternal/Internal3 1/2, 4, 4 1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 44, 48,
    50, 60
    302"1/2"Starrett4762071A119000000
    Screws, Bolts, Threaded RodsBSWExternal/Internal4, 4 1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 34, 36, 40, 48, 60282 3/4"3/4"Mitutoyo188-1022071A400000
    Screws, Bolts, Threaded RodsBSWExternal/Internal4, 4 1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62282 3/4"1/2"2071A1900000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal2 1/4, 2 3/8, 2 1/2, 2 5/8, 2 3/4, 2 7/8, 3, 3 1/4, 3 1/2, 4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18,
    20, 24, 28
    273 1/2"7/8"Starrett1552071A11400000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal3 1/2, 4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32,
    34, 36
    282 1/2"5/8"Starrett4842071A11500000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36,
    38, 40, 42
    302 5/8"5/8"Starrett62071A11600000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36,
    38, 40, 42
    302 3/4"1/2"2071A2500000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36,
    38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84
    512 1/4"2 1/4"2071A2400000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36,
    38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84
    513 3/8"3/4"Starrett4722071A118000000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal4, 4 1/2, 5, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 16, 18, 20, 24, 27, 28, 32, 36, 40, 44, 48, 56, 64, 72, 80282 1/2"5/8"Starrett4742071A11700000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42, 48,
    50, 56, 60
    302 3/4"1/2"2071A300000
    Screws, Bolts, Threaded Rods, NutsUNC/UNFExternal/Internal9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40222 3/4"1/2"2071A100000
     
    Stainless Steel
    Screws, Bolts, Threaded Rods, NutsAcme
    External/Internal1, 1 1/3, 1 1/2, 1 3/4, 2, 2 1/2, 3, 3 1/2, 4, 5, 6, 7, 8, 9, 10, 12164 3/4"1"2071A69000000
     
    Inch/Metric
     
    Steel
    Screws, Bolts, Threaded Rods, NutsBSW/MetricExternal/Internal4, 4 1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 620.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6522 3/4"1/2"2071A11100000
    Screws, Bolts, Threaded Rods, NutsBSW/MetricExternal/Internal4, 4 1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 620.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7502 3/4"1/2"2071A11200000
    Screws, Bolts, Threaded Rods, NutsUNC/UNF/MetricExternal/Internal4, 4 1/2, 5, 5 1/2, 6, 7, 8, 9, 10, 11, 11 1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 28, 29, 30, 32, 34, 36,
    38, 40, 42
    0.4, 0.5, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7512 3/4"1/2"2071A6800000
    Screws, Bolts, Threaded Rods, NutsUNC/UNF/MetricExternal/Internal4, 6, 8, 10, 11, 11 1/2, 12, 13, 16, 20, 28, 32, 40, 560.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6282 3/4"1/2"2071A2600000
     
    Metric
     
    Steel
    Screws, Bolts, Threaded Rods, NutsMetric
    External/Internal0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 1, 1.1, 1.2, 1.25, 1.3, 1.4, 1.5, 1.6, 1.7, 1.75, 1.8, 1.9, 2, 2.5282 1/2"1/2"Starrett156M2071A6500000
    Screws, Bolts, Threaded Rods, NutsMetric
    External/Internal0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 1, 1.1, 1.2, 1.25, 1.3, 1.4, 1.5, 1.6, 1.7, 1.75, 1.8, 1.9, 2, 2.5282 3/4"1/2"2071A6700000
    Screws, Bolts, Threaded Rods, NutsMetric
    External/Internal0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7222 3/4"1/2"2071A1800000
    Screws, Bolts, Threaded Rods, NutsMetric
    External/Internal0.5, 0.75, 1, 1.1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5273 1/2"5/8"Starrett159M2071A12100000
     
    Stainless Steel
    Screws, Bolts, Threaded Rods, NutsMetric Trapezoidal
    External/Internal2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20124 3/4"3/4"2071A11300000
     

    Map Distance Measuring Tools

    Image of ProductInUse. Front orientation. Contains SizingReference. Map Distance Measuring Tools.
    Slide this tool across the surface of plans, maps, and blueprints and read the measurement on the digital display in one of 111 different scales including inches, feet, yards, miles, centimeters, meters, kilometers, or a scale you define. The tool also calculates area and volume.
    Lg. Measuring Range
    Digital Display
    Type
    Display
    Resolution
    Batteries
    Included
    Each
    Inch/Metric—Left-to-Right Reading Direction
     
    Plastic
    0.1" to 999,999"/0.01 ft. to 99,999 ft./0.01 yd. to 99,999 yd./0.001 mi. to 9,999 mi./0.1 cm to 999,999 cm/0.001 m to 9,999 m/0.001 km to 9,999 kmLCD0.04"/1 mmYes19895A750000000
     
    Accessories and Replacements for Map Distance Measuring Tools

    O-Ring Gauges

    Image of ProductInUse. Front orientation. O-Ring Gauges. O-Ring Gauges.
    When you are unsure of the size of your O-ring, this sliding gauge is for O-rings with 1/32” to 13” ID ranges. It identifies 312 dash numbers. The extended length is 25”.
    For O-Ring
    ID Range
    For O-Ring Wd.
    Ht.
    Each
    1/32" to 13"0.07", 0.103", 0.139", 0.21", 0.275"13 1/2"9699K51000000

    Metal Gauges

    Image of Product. Front orientation. Metal Gauges.
    Read gauge numbers on one side of these gauges and their decimal equivalents on the other.
    For American Wire Gauge—Gauges using the American Wire Gauge system show the same markings as Brown & Sharpe gauges.
    For U.S. Steel Wire Gauge—Gauges using the U.S. Steel Wire Gauge system show the same markings as Washburn & Moen and American Steel and Wire Co. gauges.
    For Gauge System
    For Use On
    For Sheet Metal Ga.
    For Electrical Wire Ga.
    For Steel Wire Ga.
    For Wire Dia./Sheet Thk.
    Dia.
    Each
    Steel
    U.S. Standard Iron and Steel GaugeIron, Steel36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 00.007", 0.0078", 0.0085", 0.0093", 0.01", 0.0109", 0.0125", 0.014", 0.0156", 0.017", 0.0187", 0.0218", 0.025", 0.028", 0.0312", 0.0343", 0.0375", 0.0437", 0.05", 0.056", 0.0625", 0.07", 0.078", 0.0937", 0.109", 0.125", 0.14", 0.156", 0.172", 0.1875", 0.203", 0.2187", 0.234", 0.25", 0.263", 0.281", 0.3125"3 1/4"8622A53000000
    American Wire GaugeAluminum, Brass, Copper36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 00.005", 0.0056", 0.0063", 0.007", 0.008", 0.009", 0.01", 0.011", 0.012", 0.014", 0.016", 0.018", 0.02", 0.022", 0.025", 0.028", 0.032", 0.036", 0.04", 0.045", 0.051", 0.057", 0.064", 0.072", 0.081", 0.091", 0.102", 0.114", 0.128", 0.144", 0.162", 0.182", 0.204", 0.229", 0.257", 0.289", 0.325"3 1/4"19305A3300000
    U.S. Steel Wire GaugeSteel36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1/00.007", 0.0076", 0.0086", 0.0093", 0.0101", 0.0109", 0.0125", 0.014", 0.0156", 0.0172", 0.0187", 0.0218", 0.025", 0.0281", 0.0312", 0.0348", 0.0375", 0.0437", 0.05", 0.0562", 0.0625", 0.0703", 0.0781", 0.0937", 0.1093", 0.126", 0.1406", 0.1562", 0.1718", 0.1875", 0.2031", 0.2187", 0.2343", 0.25", 0.2656", 0.2812", 0.3125"3 1/4"19305A34000000
     

    Pipe Size Measuring Kits

    Image of Product. Front orientation. Pipe Size Measuring Kits.
    Kits contain pipe fittings in a variety of sizes so you can determine the size of a pipe or fitting without measuring.
    NPT Thread
    BSPT Thread
    No. of
    Pieces
    Includes
    Material
    Each
    Each
    6One 90° male × female elbow in each pipe size: 1/8, 1/4, 3/8, 1/2, 3/4, 1304 Stainless Steel
    7843K50000007843K7000000
    9One 90° male × female elbow in each pipe size: 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2304 Stainless Steel
    7843K60000007843K8000000

    Acme Thread Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. Acme Thread Identifiers.
    Identify Acme threads and use as a guide while grinding and cutting Acme threads to a 29° included angle.
    For Use With
    For Thread
    Type
    For Thread
    Location
    For Acme Threads per In.
    Wd.
    Ht.
    Thk.
    Each
    Inch
     
    Steel
    Screws, Bolts, Threaded RodsAcme
    External1, 1 1/3, 1 1/2, 1 3/4, 2, 2 1/2, 3, 4, 5, 6, 7, 8, 9, 103 3/8"1 5/8"7/64"8615A69000000
     

    Pipe Thread and Thread Pitch Identifiers

    Image of Product. Front orientation. Thread Size Identifiers. Pipe Thread and Thread Pitch Identifiers.
    In addition to checking NPT and BSPT pipe sizes, use the two included gauges for measuring thread pitch.
    For Use
    With
    For Thread
    Type
    For Pipe Size
    For Gender
    Wd.
    Ht.
    Thk.
    Thread Size Identifier
    Material
    Thread Pitch Identifier
    Material
    Color
    Each
    PipeBSPT, NPT1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2
    Female, Male9"4 1/4"1/4"PlasticSteelBlue5887T100000
     

    Thread Gauges for Lug Nuts

    Image of Product. Front orientation. Thread Size Identifiers. Thread Gauges for Lug Nuts.
    Identify the most common bolt thread sizes.
    For Thread
    Location
    For Thread
    Size
    Each
     
    Aluminum
    External/Internal7/16"-20
    1/2"-20
    9/16"-18
    M12 × 1.25 mm
    M12 × 1.5 mm
    M12 × 1.75 mm
    M14 × 1.25 mm
    M14 × 1.5 mm
    M14 × 2 mm
    M16 × 1.5 mm
    4991T966000000
     
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