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Cle-Line C18658 135 degree heavy-duty parabolic jobber drill bit, gold finish

Cle-Line

Cle-Line C18658 135 Degree Heavy-Duty Parabolic Jobber Length Drill Bit

SKU CH-P657-WF72B

A 1/2 inch high-speed steel parabolic jobber drill bit with a 135-degree split point and TiN coating for heavy-duty drilling

  • Product typeDrill Bits
  • Main materialHAWA
  • 135° split point starts on contact without walking
  • Parabolic flute clears chips efficiently from deep holes
  • TiN coating reduces friction and extends cutting life
  • High-speed steel body handles tough materials reliably
  • Jobber length suits general-purpose drilling tasks

Cle-Line C18658 135° Parabolic Jobber Bit

The Cle-Line C18658 is a heavy-duty jobber length drill bit designed for general-purpose drilling in metal, wood, and plastic. It features a 135-degree split point that starts on contact without walking. The parabolic flute design improves chip evacuation in deeper holes.

Suited for 1/2 inch fractional drilling

This bit suits machinists and maintenance crews drilling 1/2 inch diameter holes where a self-centering point is required. The TiN coating on high-speed steel extends tool life in ferrous materials. It is not for applications needing coolant-through capability or metric diameter sizes.

135-degree split point

The defining specification is the 135-degree split point ground on HAWA high-speed steel with a titanium nitride coating. This geometry reduces thrust and prevents walking on hard surfaces. The .5000 decimal equivalent confirms the exact 1/2 inch fractional size.

How it compares

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

Price $12.99
Cheaper than about 82% 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

What does the 135-degree split point do for drilling?

The 135-degree split point reduces walking and allows the bit to start cutting on contact without a centre punch.

What shank style does this 1/2-inch jobber bit use?

It has a straight round shank that fits standard three-jaw drill chucks up to 1/2-inch capacity.

How should I apply coolant when using this non-coolant-through bit?

Apply cutting fluid externally to the flutes and workpiece; do not attempt to feed coolant through the bit.

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