Irwin Tools 585-54009 9-piece bolt extractor set pneumatic accessory
- Drill Bits
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A 1/2 in high-speed steel drill bit with a 118-degree conventional point for left-hand cutting in screw-machine applications
The Chicago-Latrobe 48932 is a screw machine drill bit sized at 1/2 in with a 118 degree point angle. It is made from High Speed Steel with a bright uncoated finish for general purpose drilling. The left hand cutting direction suits specific screw machine applications. This tool targets machinists and maintenance technicians needing a standard fractional size bit.
The 1/2 in diameter and decimal equivalent of .5000 define the hole size this bit produces. The 118 degree conventional point angle centres well on steel and cast iron without walking. High Speed Steel material handles typical ferrous metals but wears faster in hardened alloys or high volume production. The non coolant through design limits use in deep holes where chip evacuation requires internal lubrication.
The bright uncoated surface provides no friction reduction or heat resistance compared to coated alternatives. Left hand cutting direction is essential for removing broken bolts or screws but incompatible with standard right hand drilling tasks. No accessories or software are bundled with this single cutting tool. Buyers needing right hand operation or coated performance must select a different bit.
Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | CHICAGO-LATROBE |
| Product type | Drill Bits |
| Size & build | |
| Main material | HAWA |
Yes, the 1/2 in shank is designed to fit standard 1/2 in drill chucks used on most power drills.
The conventional point should produce clean, centred holes without walking; check for smooth chip ejection and consistent hole diameter.
The bit is bright uncoated high speed steel and is sold individually; any protective coating or storage case would be a separate purchase.
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