Cle-Line
Cle-Line C22734 118 Degree Jobber Drill Bit 5/16 in
5/16 inch high-speed steel jobber drill bit with 118 degree point angle and black oxide finish
- TypeDrill Bits
- MaterialHAWA
- 118° point angle starts holes accurately
- High-speed steel construction resists wear
- Black oxide finish reduces corrosion
- 5/16 in fractional size fits standard chucks
- Jobber length provides versatile reach
What this drill bit does
The Cle-Line C22734 is a jobber-length drill bit sized at 5/16 in with a 118-degree conventional point. It is made from high-speed steel with a black oxide finish for general-purpose drilling in metal, wood and plastic. The fractional-inch sizing and .3125 decimal equivalent suit maintenance, fabrication and automotive tasks where a standard-length bit is required.
When to choose this over shorter or coated bits
The jobber length gives extra reach compared with stub or screw-machine bits, making it worth the switch when holes must be drilled through thicker workpieces or past obstructions. The uncoated high-speed steel construction keeps cost down for shops that resharpen their own tools, while the 118-degree point handles most common materials without the need for specialised split-point or cobalt alternatives.
How it fits in a toolkit
The straight shank fits any standard drill chuck, so no special holders or adapters are needed. Because the bit is non-coolant-through with zero coolant holes, it works with hand-held drills and drill presses alike without plumbing. The black oxide surface helps retain cutting fluid during manual lubrication, freeing the operator from relying on flood-coolant systems for occasional holes.
Highlights
- 118° point angle starts holes accurately
- High-speed steel construction resists wear
- Black oxide finish reduces corrosion
- 5/16 in fractional size fits standard chucks
- Jobber length provides versatile reach
Specifications
| Brand | CLE-LINE |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
What shank diameter does the 5/16 in Cle-Line C22734 jobber drill bit require in a chuck?
The bit has a 5/16 in diameter shank, matching its drill size, so a chuck that opens to at least 0.3125 in will hold it securely.
How should the 118 degree conventional point be started to avoid walking on hard steel?
Centre-punch the hole location, then begin drilling at low speed with firm axial pressure until the point engages before increasing RPM.
When does the black oxide coating on this high speed steel bit need renewal?
Re-sharpen the 118 degree point when cutting edges dull; the black oxide surface wears off during grinding, so reapply a touch-up coating or cutting oil to restore corrosion resistance.
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