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Cleveland C12684 taper shank drill bit 1.0000 inch 118 degree point HSS steam oxide finish

Cleveland

Cleveland C12684 Taper Shank Drill Bit 1" 118° HSS Steam Oxide

SKU CH-XBN2-HTCBK

A 1.0000 inch taper shank drill bit with a 118 degree point angle, made from high speed steel with a steam oxide finish

  • 1" diameter handles large holes
  • 118° point angle centres quickly in steel
  • High-speed steel resists heat during drilling
  • Steam oxide finish reduces friction and wear
  • Taper shank locks securely in machine spindles

Cleveland C12684 Taper Shank Drill Bit

The Cleveland C12684 is a taper shank drill bit sized at 1.0000 inch diameter with a 118 degree point angle. It is made from high speed steel and finished with a steam oxide coating. Machinists and maintenance technicians use it for general purpose drilling in ferrous and non ferrous metals where a self holding taper shank is required.

Upgrading from straight shank or smaller taper bits

A straight shank bit can slip in a heavy feed while a smaller taper shank lacks the torque capacity for a one inch hole. The Morse taper on this bit locks positively into the machine spindle so the upgrade is justified when hole size and feed force exceed the grip of a straight shank or a smaller taper. Buyers who need a different diameter or a split point geometry will not be served by this model.

Behaviour under sustained load

High speed steel retains hardness at the temperatures reached in prolonged drilling cycles. The steam oxide finish holds cutting fluid and reduces galling so the bit runs cooler during deep or repetitive cuts. Chip evacuation remains steady because the 118 degree point produces manageable chips that clear the flutes without packing. Operators who require carbide wear resistance for abrasive alloys should select a different tool material.

Highlights

  • 1" diameter handles large holes
  • 118° point angle centres quickly in steel
  • High-speed steel resists heat during drilling
  • Steam oxide finish reduces friction and wear
  • Taper shank locks securely in machine spindles

Specifications

BrandCLEVELAND

Questions about this item

What Morse taper size does the Cleveland C12684 1" drill bit require for mounting?

The Cleveland C12684 features a taper shank designed for a standard Morse taper socket; match the shank to your machine's taper size for a secure fit.

How do you correctly install this taper shank bit to prevent it from spinning or falling out?

Clean the shank and socket thoroughly, insert the bit, and drive it firmly with a soft-faced mallet to seat the taper; the common error is relying on hand pressure alone.

When should the Cleveland C12684 118° HSS bit be resharpened or replaced?

Resharpen the 118-degree point when cutting edges dull or chip; replace the bit if the high-speed steel body shows cracks, excessive wear, or the steam oxide finish wears off unevenly.

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