Cle-Line
Cle-Line C22739 118 Degree Jobber Length Drill Bit R .3390
High-speed steel jobber-length drill bit with 118-degree conventional point, size R (.3390 decimal), black oxide finish
- TypeDrill Bits
- MaterialHAWA
- 118° conventional point centres accurately for straight holes
- High-speed steel with black oxide resists wear and corrosion
- Jobber length gives standard reach for general drilling
- Letter size R equals .3390 decimal for precise fit
- New Cle-Line bit ready for workshop use
Cle-Line C22739 Jobber Drill Bit R
The Cle-Line C22739 is a jobber length drill bit sized to letter R with a decimal equivalent of .3390. It is manufactured from high speed steel with a black oxide finish for general purpose drilling tasks. The 118 degree conventional point angle suits a wide range of materials in maintenance and fabrication work.
Capacity and headroom for letter R holes
This bit handles drilling to letter R diameter in steel, cast iron and similar ferrous metals where a standard 118 degree point performs well. It runs out when the application demands a split point for self-centering, a coated tip for high heat resistance or coolant through capability for deep hole evacuation.
Build fit for standard drill chucks
The straight shank fits directly into three jaw drill chucks and quick change adapters without requiring a reduced shank or special holder. The non coolant through design keeps the tool simple for handheld or drill press use where external flood coolant is available or not required. The black oxide finish helps retain lubricity during dry drilling operations.
Highlights
- 118° conventional point centres accurately for straight holes
- High-speed steel with black oxide resists wear and corrosion
- Jobber length gives standard reach for general drilling
- Letter size R equals .3390 decimal for precise fit
- New Cle-Line bit ready for workshop use
Specifications
| Brand | CLE-LINE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
Will the 118-degree point on this .3390 drill bit work well with my older drill press that has a standard chuck?
The 118-degree conventional point is designed for general-purpose use and fits standard chucks found on older drill presses, providing reliable centering without specialised tooling.
How can I confirm the bit is cutting correctly once I start drilling?
A properly working bit produces consistent, curled chips and a clean hole at the .3390 diameter without excessive heat or wandering from the start point.
Does the package include any cutting fluid or a storage case, or do I need to buy those separately?
The product is supplied as a single jobber-length drill bit; cutting fluid and a storage case are not included and must be purchased separately.
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