For Use With For Use With |
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Thread Size Thread Size |
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For Screw Size For Screw Size |
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For Nut Size For Nut Size |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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For Drill Bit Size For Drill Bit Size |
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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 | |||||||||||
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For Use With | For Thread Type | For Thread Location | For Thread Size | Wd. | Ht. | Thick. | No. of | Hole Dia. | Fasteners Included | Each | |
Inch/Metric | |||||||||||
Steel | |||||||||||
Screws, Bolts, Threaded Rods, Nuts | UNC/UNF/Metric | External/Internal | 6-32, 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"-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, 7/16"-14 | 3" | 39" | 1/2" | 3 | 5/16" | No | 00000000 | 000000 |
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 | |||||
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Steel | |||||
Screws, Bolts, Threaded Rods, Nuts | UNC/UNF | External/Internal | 6-32, 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 | 00000000 | 000000 |
Inch/Metric | |||||
Steel | |||||
Screws, Bolts, Threaded Rods, Nuts | UNC/UNF/Metric | External/Internal | 6-32, 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 | 00000000 | 00000 |
Metric | |||||
Steel | |||||
Screws, Bolts, Threaded Rods, Nuts | Metric | External/Internal | M3 × 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 | 00000000 | 00000 |
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 | For Nut Size | Wd. | Ht. | Thick. | Each | |
Inch | ||||||||||
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Plastic | ||||||||||
Screws, Bolts, Threaded Rods, Nuts | __ | External/Internal | No. 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" | 000000000 | 00000 |
Inch/Metric | ||||||||||
Plastic | ||||||||||
Screws, Bolts, Threaded Rods, Nuts | __ | External/Internal | No. 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" | 000000000 | 00000 |
Metric | ||||||||||
Plastic | ||||||||||
Screws, Bolts, Threaded Rods, Nuts | Metric | External/Internal | M6, M7, M8, M10, M12, M14, M16 | 1 mm, 1.25 mm, 1.5 mm, 1.75 mm, 2 mm | M10, M11, M13, M17, M19, M22, M24 | 5 1/4" | 3 3/16" | 1/64" | 000000000 | 0000 |
All-in-One Identifiers

Find tube, pipe, fastener, wire, and drill bit sizes with one tool.
For Use With (Number of Sizes) | Wd. | Ht. | Material | Each | |
Plastic | |||||
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Tube (9), Tube Fittings (6), Pipe (9), Pipe Fittings (6), Screws and Bolts (20), Threaded Rods, Nuts (14), Nails (11), Wire (30), Drill Bits (21) | 8 11/16" | 4 1/4" | Plastic | 00000000 | 00000 |
Tube (11), Tube Fittings (10), Pipe (16), Pipe Fittings (10), Screws and Bolts (20), Threaded Rods, Nuts (20), Nails (16), Wire (51), Drill Bits (50) | 10 1/2" | 3 1/2" | Plastic | 00000000 | 0000 |