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For Use With
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DFARS Specialty Metals
Export Control Classification Number (ECCN)
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Drill Bit Size
Reference Charts
A
B
Style A charts provide decimal equivalents of fractions, wire gauge drill sizes, letter drill sizes, and metric sizes.
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.
Screw Size Identifiers
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 Drill Bit Size | Wd. | Ht. | Thick. | Each | |
Metric | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Steel | ||||||||||
| Screws, Bolts, Threaded Rods | Metric | External | M8 × 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" | 000000000 | 000000 |
| Screws, Bolts, Threaded Rods, Drill Bits | Metric | External | M2 × 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, J | 3" | 5 3/8" | 3/32" | 000000000 | 00000 |