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Drill Bit Decimal Size Equivalent
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Export Control Classification Number (ECCN)
Oversized Chip-Clearing Taps
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Spiral-Point Flute for Through Holes |
Drill Bit | Spiral-Point Flute for Through Holes | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Thread Lg. | Overall Lg. | Thread Type | Size | Decimal Size Equiv. | Shank Type | Chamfer Type | No. of Flutes | Each | |||
High-Speed Steel | ||||||||||||
Uncoated | ||||||||||||
| 4-40 | 9/16" | 1 7/8" | UNC | 43 Ga. | 0.089" | Square | Plug | 2 | 2612A11 | 000000 | ||
| 6-32 | 11/16" | 2" | UNC | 36 Ga. | 0.1065" | Square | Plug | 2 | 2612A13 | 00000 | ||
| 8-32 | 3/4" | 2 1/8" | UNC | 29 Ga. | 0.136" | Square | Plug | 2 | 2612A14 | 00000 | ||
| 10-24 | 7/8" | 2 3/8" | UNC | 25 Ga. | 0.1495" | Square | Plug | 2 | 2612A15 | 00000 | ||
| 10-32 | 7/8" | 2 3/8" | UNF | 21 Ga. | 0.159" | Square | Plug | 2 | 2612A16 | 00000 | ||
| 1/4"-20 | 1" | 2 1/2" | UNC | 7 Ga. | 0.201" | Square | Plug | 2 | 2612A17 | 00000 | ||
| 1/4"-28 | 1" | 2 1/2" | UNF | 3 Ga. | 0.213" | Square | Plug | 2 | 2612A18 | 00000 | ||
| 5/16"-18 | 1 1/8" | 2 23/32" | UNC | F | 0.257" | Square | Plug | 3 | 2612A19 | 00000 | ||
| 5/16"-24 | 1 1/8" | 2 23/32" | UNF | I | 0.272" | Square | Plug | 3 | 2612A21 | 00000 | ||
| 3/8"-16 | 1 1/4" | 2 15/16" | UNC | 5/16" | 0.3125" | Square | Plug | 3 | 2612A22 | 00000 | ||
| 3/8"-24 | 1 1/4" | 2 15/16" | UNF | Q | 0.332" | Square | Plug | 3 | 2612A23 | 00000 | ||
| 1/2"-13 | 1 21/32" | 3 3/8" | UNC | 27/64" | 0.4219" | Square | Plug | 3 | 2612A26 | 00000 | ||
| 1/2"-20 | 1 21/32" | 3 3/8" | UNF | 29/64" | 0.4531" | Square | Plug | 3 | 2612A27 | 00000 | ||
| 5/8"-11 | 1 13/16" | 3 13/16" | UNC | 17/32" | 0.5313" | Square | Plug | 3 | 2612A28 | 00000 | ||
| 3/4"-10 | 2" | 4 1/4" | UNC | 21/32" | 0.6563" | Square | Plug | 3 | 2612A31 | 00000 | ||
| M3 × 0.5 mm | 11/16" | 1 15/16" | Metric | 2.5 mm | 0.0984" | Square | Plug | 2 | 2612A411 | 00000 | ||
| M3.5 × 0.6 mm | 11/16" | 2" | Metric | 2.9 mm | 0.1142" | Square | Plug | 2 | 2612A412 | 00000 | ||
| M4 × 0.7 mm | 3/4" | 2 1/8" | Metric | 3.3 mm | 0.1299" | Square | Plug | 2 | 2612A413 | 00000 | ||
| M5 × 0.8 mm | 7/8" | 2 3/8" | Metric | 4.2 mm | 0.1653" | Square | Plug | 2 | 2612A414 | 00000 | ||
| M6 × 1 mm | 1" | 2 1/2" | Metric | 5 mm | 0.1968" | Square | Plug | 2 | 2612A415 | 00000 | ||
| M8 × 1.25 mm | 1 1/8" | 2 23/32" | Metric | 6.75 mm | 0.2657" | Square | Plug | 2 | 2612A416 | 00000 | ||
| M10 × 1.5 mm | 1 1/4" | 2 15/16" | Metric | 8.5 mm | 0.3346" | Square | Plug | 3 | 2612A417 | 00000 | ||
| M12 × 1.75 mm | 1 21/32" | 3 3/8" | Metric | 10.25 mm | 0.4035" | Square | Plug | 3 | 2612A418 | 00000 | ||
Oversized Taps
Drill Bit | Plug Chamfer | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Thread Lg. | Overall Lg. | Thread Type | No. of Flutes | Size | Decimal Size Equiv. | Shank Type | Each | |||
High-Speed Steel | |||||||||||
Uncoated | |||||||||||
| 6-32 | 11/16" | 2" | UNC | 3 | 36 Ga. | 0.1065" | Square | 2535A11 | 00000 | ||
| 8-32 | 3/4" | 2 1/8" | UNC | 3 | 29 Ga. | 0.136" | Square | 2535A12 | 0000 | ||
| 10-24 | 7/8" | 2 3/8" | UNC | 3 | 25 Ga. | 0.1495" | Square | 2535A13 | 0000 | ||
| 10-32 | 7/8" | 2 3/8" | UNF | 3 | 21 Ga. | 0.159" | Square | 2535A23 | 0000 | ||
| 1/4"-20 | 1" | 2 1/2" | UNC | 4 | 7 Ga. | 0.201" | Square | 2535A14 | 0000 | ||
| 1/4"-28 | 1" | 2 1/2" | UNF | 4 | 3 Ga. | 0.213" | Square | 2535A33 | 0000 | ||
| 5/16"-18 | 1 1/8" | 2 23/32" | UNC | 4 | F | 0.257" | Square | 2535A15 | 00000 | ||
| 5/16"-24 | 1 1/8" | 2 23/32" | UNF | 4 | I | 0.272" | Square | 2535A34 | 00000 | ||
| 3/8"-16 | 1 1/4" | 2 15/16" | UNC | 4 | 5/16" | 0.3125" | Square | 2535A16 | 00000 | ||
| 3/8"-24 | 1 1/4" | 2 15/16" | UNF | 4 | Q | 0.332" | Square | 2535A35 | 00000 | ||
| 7/16"-14 | 1 7/16" | 3 5/32" | UNC | 4 | U | 0.368" | Square | 2535A19 | 00000 | ||
| 7/16"-20 | 1 7/16" | 3 5/32" | UNF | 4 | 25/64" | 0.3906" | Square | 2535A21 | 00000 | ||
| 1/2"-13 | 1 21/32" | 3 3/8" | UNC | 4 | 27/64" | 0.4219" | Square | 2535A17 | 00000 | ||
| 1/2"-20 | 1 21/32" | 3 3/8" | UNF | 4 | 29/64" | 0.4531" | Square | 2535A36 | 00000 | ||
| 5/8"-11 | 1 13/16" | 3 13/16" | UNC | 4 | 17/32" | 0.5313" | Square | 2535A18 | 00000 | ||
| M3 × 0.5 mm | 5/8" | 1 15/16" | Metric | 3 | 2.5 mm | 0.098" | Square | 2535A411 | 00000 | ||
| M3.5 × 0.6 mm | 11/16" | 2" | Metric | 3 | 2.9 mm | 0.114" | Square | 2535A412 | 00000 | ||
| M4 × 0.7 mm | 3/4" | 2 1/8" | Metric | 4 | 3.3 mm | 0.13" | Square | 2535A413 | 00000 | ||
| M5 × 0.8 mm | 7/8" | 2 3/8" | Metric | 4 | 4.2 mm | 0.165" | Square | 2535A414 | 00000 | ||
| M6 × 1 mm | 1" | 2 1/2" | Metric | 4 | 5.0 mm | 0.197" | Square | 2535A415 | 00000 | ||
| M8 × 1.25 mm | 1 1/8" | 2 23/32" | Metric | 4 | 6.75 mm | 0.266" | Square | 2535A416 | 00000 | ||
| M10 × 1.5 mm | 1 1/4" | 2 15/16" | Metric | 4 | 8.5 mm | 0.335" | Square | 2535A417 | 00000 | ||
| M12 × 1.75 mm | 1 21/32" | 3 3/8" | Metric | 4 | 10.25 mm | 0.404" | Square | 2535A418 | 00000 | ||





























