Cleveland
Cleveland 21/64" HSS 118° Jobber Drill Bit 9670
A 21/64 inch high-speed steel jobber drill bit with a 118 degree point angle and black oxide finish for general-purpose machining
- TypeDrill Bits
- MaterialHAWA
- 21/64 inch diameter drills precise holes
- 118 degree point angle centres quickly on contact
- High speed steel construction resists wear during use
- Black oxide finish reduces friction and corrosion
- 5 1/2 inch flute depth reaches deeper workpieces
Drill bit size and material
The Cleveland 9670 is a fractional-inch jobber drill bit made from high-speed steel with a black-oxide finish. It measures 21/64 in diameter and is designed for general-purpose machining tasks. The bit suits workshops and technicians who need a durable cutting tool for everyday metal drilling.
118-degree conventional point
The bit features a 118-degree conventional point angle with a 28-degree helix. This geometry provides reliable centring and chip evacuation in a wide range of ferrous and non-ferrous materials. It is the single specification that determines whether the bit matches the material and hole-quality requirements of the job.
Maximum depth and shank fit
The flute length allows a maximum drilling depth of 5 1/2 in, so the workpiece and fixture must accommodate that reach. The straight shank fits standard three-jaw chucks and quick-change holders, freeing the user from specialised collets or adapters. Ensure the machine spindle runs true to avoid premature wear.
Highlights
- 21/64 inch diameter drills precise holes
- 118 degree point angle centres quickly on contact
- High speed steel construction resists wear during use
- Black oxide finish reduces friction and corrosion
- 5 1/2 inch flute depth reaches deeper workpieces
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Drill Bits |
| Material | HAWA |
Questions about this item
What does the 118-degree point angle mean for everyday drilling?
The 118-degree point is a conventional general-purpose angle that centres easily in steel, wood and plastic without a pilot hole, giving reliable starts on a wide range of materials.
How does the 28-degree helix affect chip removal?
A 28-degree helix is a standard flute angle that lifts chips steadily from holes up to five-and-a-half inches deep, reducing clogging in deeper cuts.
What shank size does the 21/64-inch bit need in a chuck?
The bit has a straight shank matching its 21/64-inch diameter, so it fits any three-jaw chuck that opens to at least that size.
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