Chicago-Latrobe
Chicago-Latrobe 77655 118 Degree Carbide Tipped Jobber Length Drill Bit 9/32 in
Carbide-tipped 9/32 inch jobber drill bit with a 118-degree conventional point for general-purpose drilling
- TypeDrill Bits
- MaterialHAWA
- Carbide tip resists wear in hard materials
- 118-degree point angle centres quickly on contact
- 9/32 inch diameter matches fractional inch specs
- Bright finish avoids coating buildup in holes
- Jobber length gives standard reach for general drilling
Jobber-length carbide bit for general drilling
This Chicago-Latrobe 77655 drill bit has a jobber-length flute and a conventional 118-degree point. The carbide tip is designed for drilling steel, cast iron and other hard materials. The bright uncoated finish reduces friction in softer metals. It suits maintenance technicians and metalworkers who need a durable fractional-size bit.
Carbide tip and uncoated finish change tool life
The carbide tip resists wear far longer than high-speed steel when cutting abrasive alloys. The bright finish prevents coating build-up in aluminium and copper. No coolant holes are present, so the user must supply external lubrication or peck drilling. The accessory bundle contains only the single bit in its protective tube.
Straightforward chuck fit with common pitfalls
The 9/32-inch shank fits standard three-jaw chucks without adapters. The 118-degree point starts cleanly on flat surfaces but can wander on curved pipe unless centre-punched. Overheating dulls the carbide edge quickly, so steady feed and cutting fluid are essential. The bit is not coolant-through, so deep holes need frequent withdrawal to clear chips.
Highlights
- Carbide tip resists wear in hard materials
- 118-degree point angle centres quickly on contact
- 9/32 inch diameter matches fractional inch specs
- Bright finish avoids coating buildup in holes
- Jobber length gives standard reach for general drilling
Specifications
| Brand | CHICAGO-LATROBE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
When will the carbide tip on the 9/32 in jobber drill need replacement?
The carbide tip is designed for long life in abrasive materials; replace it when cutting edges show visible wear or hole quality degrades.
What limits continuous drilling with the 118 degree conventional point?
Chip evacuation in deep holes becomes the limiting factor because the flute has no coolant holes.
How much heat does the bright uncoated 9/32 in bit generate during all-day use?
The uncoated surface runs hotter than coated bits; use cutting fluid and allow cooling pauses to manage temperature.
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