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Thirteen cobalt steel twist drill bits in a compact plastic index case

Olympia Tools 13Pcs M35 Cobalt Drill Bit Set 1/16-1/4 inch

SKU CH-FX0A-N2MCJ

13-piece M35 cobalt drill bit set with 135° split points drills stainless steel, cast iron and hardened steel, plus wood and plastic, in an indexed case

  • Size or dimensions6
  • Main materialPlastic
  • Sold asSet
  • Key featuresWidely Use
  • Number of items2 pack
  • 13-piece set covers 1/16 to 1/4 inch for versatile drilling
  • M35 cobalt steel with 5% cobalt resists wear in hard metals
  • 135-degree split point self-centers and cuts faster
  • Straight shank fits standard chucks without slippage
  • Indexed plastic case keeps bits organised and protected

13-Piece M35 Cobalt Drill Bit Set

This 13-piece set contains M35 cobalt steel drill bits ranging from 1/16 inch to 1/4 inch. The bits feature a 135-degree split point for self-centering and faster chip removal. They are designed for drilling hard materials such as stainless steel and cast iron. A plastic index case is included for storage.

For Metalworking and General Drilling

Suitable for users who need to drill stainless steel, cast iron, hardened steel, aluminum, wood, and plastic. The cobalt composition increases wear resistance for these applications. Not intended for buyers who require carbide-tipped bits for masonry, concrete, or tile. Also not for those needing sizes larger than 1/4 inch or specialized coating types.

135-Degree Split Point Geometry

The 135-degree split point allows the bit to start on contact without walking across the workpiece. This geometry also improves chip ejection during drilling. It is the key specification determining suitability for precision work in hard metals. The set includes 13 fractional sizes covering common pilot and clearance holes.

How it compares

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

Price $14.99
Cheaper than about 77% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameOlympia Tools
Part numberEASTPACEDRILL-13
Size & build
Size or dimensions6
Main materialPlastic
In the box
Number of items2 pack

Questions about this item

Should I choose the 13-piece set or the 2-pack option?

The 13-piece set covers drill sizes from 1/16 to 1/4 inch in 13 increments, while the 2-pack simply provides two identical 13-piece sets for backup or high-volume use.

What does the 135-degree split point do when I am drilling stainless steel?

The 135-degree split point self-centres the bit, prevents walk-off on hard surfaces, and speeds chip removal so you cut stainless steel faster with less pressure.

Will the straight shank fit my 1/4-inch drill chuck?

Yes, each bit has a straight shank sized to its cutting diameter, so the largest 1/4-inch bit seats directly in a 1/4-inch chuck while smaller bits fit smaller chucks.

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