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Cle-Line C23137 1/4 inch jobber drill bit black oxide finish

Cle-Line

Cle-Line C23137 135 Degree Heavy-Duty Jobber Length Drill 1801 Steam

SKU CH-YATV-BNH2G

A 1/4-inch high-speed steel drill bit with a 135-degree split point and black-oxide finish for heavy-duty jobber-length drilling

  • Product typeDrill Bits
  • Main materialHAWA
  • 135-degree split point starts on contact without walking
  • High-speed steel body resists wear in steel and iron
  • Black oxide finish reduces friction and chip welding
  • Jobber length reaches standard drilling depths
  • Decimal size 0.2500 in matches 1/4-inch fractional spec

1/4-Inch Jobber Drill Bit

The Cle-Line C23137 is a high-speed steel drill bit with a 135-degree split point designed for general-purpose drilling. It suits maintenance technicians and metalworkers who need reliable hole-making in steel and other ferrous materials.

Sustained Drilling Behaviour

The black oxide finish helps retain lubricity and resist chip welding during extended drilling cycles. The split-point geometry reduces walking at the start and maintains centering as the bit progresses through the workpiece.

Fractional Inch Standard Limits

As a fractional inch tool sized at .2500 decimal equivalent, it fits standard 1/4-inch chucks and collets without metric conversion. The jobber length provides standard reach for bench and handheld drilling, though it does not suit deep-hole or coolant-through applications.

How it compares

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

Price $2.99
Cheaper than about 97% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLE-LINE
Product typeDrill Bits
Size & build
Main materialHAWA

Questions about this item

How much heat does the 135-degree split-point geometry generate when drilling steel all day?

The 135-degree split point reduces thrust and friction, so the bit runs cooler during extended drilling in steel.

What shank size must my drill chuck accept for this 1/4-inch jobber bit to fit?

The bit has a standard 1/4-inch round shank, so any chuck that opens to 1/4 inch or larger will hold it securely.

Will the black-oxide finish on this bit wear off quickly when used with my older high-speed steel drill press?

Black oxide provides corrosion resistance and holds lubricant; it wears gradually but does not affect cutting performance on older machines.

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