Irwin Hanson 53635 ST-1 to ST-5 Straight Flute Screw Extractor Set 5pc
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The Irwin Hanson 53635 is a new, 5-piece straight flute screw extractor set covering sizes ST-1 through ST-5, manufactured in the USA. Straight flute extractors grip broken bolts, screws, and pipe by being driven into a pre-drilled pilot hole and turned counter-clockwise, with the hardened flutes biting harder under increasing torque. Size coverage: ST-1 removes 3/16–5/16 in fasteners (9/64 in pilot drill), ST-2 removes 3/8 in fasteners (3/16 in pilot drill), ST-3 removes 7/16 in and 1/8 in pipe (15/32 in pilot drill), ST-4 removes 1/2–9/16 in and 1/4 in pipe (5/16 in pilot drill), and ST-5 removes 5/8 in and 3/8 in pipe. The square-drive shanks are designed to be turned with a tap wrench or standard square-drive handle; the set stores in an included plastic case.
Product Specifications
| Brand | Irwin Hanson |
| MPN | 53635 |
| Series | Straight Flute (ST) |
| Piece Count | 5 |
| Size Range | ST-1 through ST-5 |
| ST-1 Bolt/Screw Range | 3/16 in to 5/16 in |
| ST-1 Pilot Drill Size | 9/64 in |
| ST-2 Bolt/Screw Range | 3/8 in |
| ST-2 Pilot Drill Size | 3/16 in |
| ST-3 Bolt/Screw/Pipe Range | 7/16 in & 1/8 in pipe |
| ST-3 Pilot Drill Size | 15/64 in |
| ST-4 Bolt/Screw/Pipe Range | 1/2 in to 9/16 in & 1/4 in pipe |
| ST-4 Pilot Drill Size | 5/16 in |
| ST-5 Bolt/Screw/Pipe Range | 5/8 in & 3/8 in pipe |
| Extractor Type | Straight Flute |
| Shank Type | Square drive |
| Country of Origin | USA |
| Storage | Plastic case included |
| Condition | New |