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Cleveland C16085 31/64 inch HSS bright finish jobber drill bit 118 degree point

Cleveland

Cleveland C16085 31/64" HSS Bright 118° Jobber Drill Bit

SKU CH-GP93-Z2DB2

A 31/64 inch high-speed steel jobber drill bit with a 118-degree point and bright finish for general-purpose drilling

  • TypeDrill Bits
  • Precise 31/64 inch drilling for exact fractional sizing
  • High-speed steel construction resists heat during extended use
  • Bright uncoated finish prevents coating buildup in holes
  • 118-degree point angle centres quickly on flat surfaces
  • Model C16085 identifies the bit for reordering

Cleveland C16085 31/64" HSS Drill Bit

The Cleveland C16085 is a fractional-inch jobber-length drill bit made from high-speed steel with a bright uncoated finish. It measures 31/64 inch (0.4844 decimal equivalent) and features a standard 118-degree point angle for general-purpose drilling. This accessory suits machinists and maintenance technicians who need a reliable HSS bit for ferrous and non-ferrous metals.

Application fit and limits

The bright finish performs well in steel, cast iron and aluminium where coolant is available. It is not suited for high-volume production runs that demand the heat resistance of cobalt or the wear life of titanium nitride coatings. Buyers drilling hardened alloys or abrasive composites should look at coated or carbide alternatives.

Deciding specification: 31/64 inch diameter

The 31/64 inch size is the single attribute that determines whether this bit matches the hole requirement. Verify the drawing or tap chart calls for this exact fractional diameter before ordering. No other dimension in the data changes the fit decision.

Highlights

  • Precise 31/64 inch drilling for exact fractional sizing
  • High-speed steel construction resists heat during extended use
  • Bright uncoated finish prevents coating buildup in holes
  • 118-degree point angle centres quickly on flat surfaces
  • Model C16085 identifies the bit for reordering

Specifications

BrandCLEVELAND
TypeDrill Bits

Questions about this item

When will the 118° point on the 31/64" HSS bit need resharpening?

Resharpen the 118° point when drilling pressure increases noticeably or hole quality drops; high-speed steel can be reground multiple times before replacement is required.

What stops a continuous drilling run with this 31/64" jobber first — heat or chip packing?

Chip packing in the deep flutes of a 31/64" jobber usually limits sustained drilling before heat becomes critical; clear chips frequently to maintain cutting speed.

How hot does the bright-finish HSS get during all-day drilling?

The uncoated high-speed steel runs hotter than coated bits; expect significant heat at the shank during extended use, so allow cooling pauses or use cutting fluid.

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