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Thirteen cobalt twist drill bits in metal indexed case

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

SKU CH-FNZY-Y4MA3

13-piece M35 cobalt drill bit set covers 1/16 to 1/4 inch for metal, cast iron, wood and plastic

  • Product typeBand Saw Blades
  • Main materialPlastic
  • Sold asSet
  • Key featuresWidely Use
  • Number of items2 pack
  • M35 cobalt steel resists heat during heavy drilling
  • 13-piece set covers 1/16 to 1/4 inch sizes
  • Twist jobber length suits metal, cast iron and wood
  • Helical flutes clear chips for faster holes
  • Metal indexed case keeps bits organised and protected

13-piece cobalt drill bit set

This 13-piece set uses M35 high-speed steel with cobalt for drilling metal, cast iron, wood and plastic. Twist jobber-length bits cover diameters from 1/16 inch to 1/4 inch. The assortment suits workshop tasks that require a range of small to medium hole sizes in mixed materials.

Thermals noise and power draw

Drill bits generate heat through friction during use; cobalt alloy helps resist softening at higher temperatures. Noise and power consumption depend entirely on the drill motor and operator technique, not on the bits themselves. Proper cutting speed and lubrication manage heat buildup effectively.

Metal indexed storage case

A metal indexed case holds each bit in a labelled slot for quick identification and secure transport. The rigid case protects cutting edges from damage and keeps the set organised on a bench or in a toolbox. No additional software or accessories are included.

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 nameOlympia Tools
Part numberDrill bit
Product typeBand Saw Blades
Size & build
Main materialPlastic
In the box
Number of items2 pack

Questions about this item

How do I install the 1/16" bit without it slipping in the chuck?

Tighten the chuck on the flat shank area, not the fluted section; the jobber-length design needs full jaw contact to prevent walk-out during metal drilling.

When will the M35 cobalt edges need replacement?

Replace bits when the cutting lips show rounded corners or produce blue chips in steel; the 13-piece set covers 1/16" to 1/4" so you can swap individual sizes as they wear.

What is the first limit I hit when drilling continuous holes in cast iron?

Heat buildup at the tip reduces hardness; pause every few holes to let the M35 steel cool and clear chips through the helical flutes.

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