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Cle-Line C20753 silver and deming drill bit black oxide finish 118 degree point angle

Cle-Line

Cle-Line C20753 118 Degree Silver & Deming Drill 1/2 Reduced Shank

SKU CH-3C7P-FJMHY

A high-speed steel drill bit with a 118-degree point angle and reduced shank for drilling larger holes

  • Product typeDrill Bits
  • Main materialHigh Speed Steel
  • 118-degree point angle centres quickly for accurate starts
  • High-speed steel construction resists wear during heavy drilling
  • Black oxide finish reduces friction and extends bit life
  • 1/2 reduced shank fits standard chucks without adapter
  • 7/8-inch diameter handles large-hole applications efficiently

Cle-Line C20753 118 Degree Drill Bit

The Cle-Line C20753 is a Silver & Deming drill bit designed for general-purpose metal cutting. Its 118-degree point angle suits standard drilling tasks in ferrous and non-ferrous materials. The 1/2-inch reduced shank allows use in drill presses and larger handheld drills with smaller chucks. It is intended for machinists and maintenance technicians who need a versatile high-speed steel cutter.

Thermals Noise and Power Draw

As a non-powered cutting accessory the bit generates no electrical noise or power draw of its own. Heat produced during cutting depends entirely on the machine spindle speed feed rate and coolant use. High-speed steel construction tolerates normal machining temperatures but will lose hardness if overheated. Proper lubrication and speed selection manage thermal load effectively.

Build Quality and Daily Use

The bit is manufactured from machining-grade high-speed steel with a black oxide finish that aids chip flow and reduces galling. The reduced shank design fits standard 1/2-inch chucks while the 7/8-inch cutting diameter handles larger hole requirements. It is not suited for hardened steels or high-volume production where carbide tooling would last longer.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 58% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLE-LINE
Product typeDrill Bits
Size & build
Main materialHigh Speed Steel

Questions about this item

How do I fit the 1/2 reduced shank into my drill chuck?

Open the chuck fully, insert the shank until it seats against the jaws, then tighten securely; the step users miss is checking that the shank sits flush so the 118 degree point runs true.

When will the high-speed steel cutting edges need resharpening or replacement?

Resharpen when the 118 degree point dulls enough to increase feed pressure; high-speed steel can be reground multiple times before the 7/8 in diameter is reduced beyond usable length.

What stops me from drilling continuously in thick steel with this bit?

Heat buildup at the black-oxide finish is the first limit; without coolant the high-speed steel loses temper, so pause frequently to let the 7/8 in body cool.

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