Irwin® 49904 I-100 Full Length Auger Bit, 1/4 in Dia, 7-1/2 in OAL, 4-1/2 in L Spiral Flute, 7/32 in Shank
Power through soft and hard wood with the 1/4 in. Solid Center Auger with Cutting Spur designed with a coarse screw-point for faster drilling. The solid-center design increases overall durability and allows for smooth, straight drilling. Full-length, heat-treating strengthens the twist, guarding against bending in demanding applications. And the single cutting spur scribes the outside of the hole for overall faster drilling, clean holes, and a smooth finish.
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BrandIrwin®
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UPC024721100054
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Manufacturer Part Number49904
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CountryUSA|Canada
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FinishBright
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MaterialHSS
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Flute Length4-1/2 in
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Flute TypeSpiral
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TypeFull Length
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SeriesI-100
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Shank Size7/32 in
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Cutting DirectionRight Hand
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Cutting Edge MaterialHSS
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Shank TypeHex/Straight
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Diameter1/4 in
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Drill StyleAuger
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Overall Length7-1/2 in
- Solid center design provides extra rigidity while boring
- Wide lands keep the bit straight as it bores through the hole
- The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut
- Single spur cutting edge scribes the circumference of the hole for a smoother finish
- Coarse screw point provides fast boring in hard and soft woods
- Full-length heat treated bit guards against bending in heavy duty applications and strengthens the twist where the greatest strain occurs
- Screw+spur+cutter point shape, CW spiral angle
| Competitor Name | Competitor Part Number |
|---|---|
| MSC | 05528278 |
| Fastenal | 0237629 |
| Grainger | 783YW0 |
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UNSPSC27111509
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Catalog
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Irwin® 49904 I-100 Full Length Auger Bit, 1/4 in Dia, 7-1/2 in OAL, 4-1/2 in L Spiral Flute, 7/32 in Shank
Power through soft and hard wood with the 1/4 in. Solid Center Auger with Cutting Spur designed with a coarse screw-point for faster drilling. The solid-center design increases overall durability and allows for smooth, straight drilling. Full-length, heat-treating strengthens the twist, guarding against bending in demanding applications. And the single cutting spur scribes the outside of the hole for overall faster drilling, clean holes, and a smooth finish.
Milwaukee® 48-25-1501 Heavy Duty Standard Self-Feed Wood Drill Bit, 1-1/2 in Dia, 4 in OAL, 7/16 in Shank
Milwaukee® selfeed drill bits deliver speed and Endurance for repetitive drilling of large holes. Designed for any trade that demands woodcutting for installing pipe and conduit, selfeed bits feed into work without pressure and provide faster boring of clean, accurate holes. The bits have improved balance with reduced runout, while the hex shank provides a secure gripping surface for the drill chuck. Every Milwaukee® selfeed drill bit is coated with a rust inhibitor. Built to last and designed to perform, these selfeed bits are resharpenable so you can keep them cutting like new.
