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Cle-Line 29-piece 135-degree drill bit set in black oxide finish

Cle-Line

Cle-Line C21162 135 Degree 29-Piece Drill Bit Set 1875R

SKU CH-KCRP-8GK9G

29-piece high-speed steel drill bit set with 135-degree split points for right-hand cutting in a black oxide finish

  • Product typeDrill Bits
  • 29-piece set covers a wide range of drilling tasks
  • 135-degree split point starts holes quickly without wandering
  • High-speed steel construction resists heat during heavy use
  • Black oxide finish reduces friction and adds corrosion resistance
  • Right-hand cutting direction suits standard drill operation

29-Piece 135° Drill Bit Set

Cle-Line C21162 is a 29-piece mechanics-length drill bit set built from high-speed steel with a black-oxide finish. Every bit uses a 135-degree split point and right-hand cutting direction. The set covers a range of diameters for general metal-drilling tasks.

Suited to maintenance and light fabrication

Mechanics and technicians who need a ready-to-hand assortment of split-point bits for steel, iron and similar alloys will find the range practical. The set is not intended for production CNC work, deep-hole drilling or materials that demand cobalt or carbide tooling.

135-degree split-point geometry

The 135-degree split point centres the bit on contact and lowers the force required to start a hole in hard metal. This single geometry change determines whether the set matches the user's drilling conditions.

How it compares

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

Price $87.99
Pricier than about 81% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLE-LINE
Product typeDrill Bits

Questions about this item

How much heat do the 135-degree split-point bits generate during extended drilling in steel?

The 135-degree split-point design reduces thrust and friction compared to standard points, so the high-speed steel bits run cooler during prolonged use.

What chuck size is needed to hold every bit in the 29-piece set?

The set includes bits up to 1/2 inch diameter, so a 1/2-inch or larger drill chuck is required to use the full range.

Can the black-oxide finish withstand the higher torque of a modern brushless drill?

The black-oxide coating on the high-speed steel bits resists wear and corrosion, making them suitable for the increased torque of brushless drills.

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