We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Thirteen cobalt twist bits in a plastic case, sizes from 1/16 to 1/4 inch

Olympia Tools 13pc Cobalt Drill Bit Set 1/16-1/4 M35 BCL-G-HSCO-42

SKU CH-VTF1-ABRXT

A 13-piece M35 cobalt drill bit set with 135° split points for self-centering in hard metals

  • TypeBand Saw Blades
  • MaterialPlastic
  • Compatibility/FitmentOut-Opening, Narrow Stile, Store Front Doors
  • Selling UnitSet
  • Item Count2 pack
  • Cobalt alloy extends bit life in hard metals
  • 135-degree split point centres itself and cuts faster
  • ANSI B94-11M grinding keeps hole size accurate
  • Fully ground flutes reduce friction for quicker drilling
  • 13-piece set covers 1/16 to 1/4 inch sizes

13-piece cobalt drill bit set

The Olympia Tools 13pc Cobalt Drill Bit Set covers fractional sizes from 1/16 inch to 1/4 inch. It is made for mechanics, fabricators and maintenance technicians who drill stainless steel, cast iron and other hard metals on a regular basis.

M35 cobalt steel under sustained load

The five-percent cobalt alloy raises hot hardness so the cutting edges stay sharp during repeated holes in tough material. Fully ground flutes reduce friction, letting the 135-degree split point maintain faster feed rates without the bit walking across the workpiece.

Heat, noise and power in normal use

Friction generates significant heat when drilling metal, so coolant is necessary to protect both the bit and the workpiece. Running the drill at the lowest starting RPM and keeping the bit perpendicular minimises vibration and prevents premature breakage during hand-held or press operation.

Highlights

  • Cobalt alloy extends bit life in hard metals
  • 135-degree split point centres itself and cuts faster
  • ANSI B94-11M grinding keeps hole size accurate
  • Fully ground flutes reduce friction for quicker drilling
  • 13-piece set covers 1/16 to 1/4 inch sizes

Specifications

BrandOlympia Tools
TypeBand Saw Blades
MaterialPlastic
Compatibility/FitmentOut-Opening, Narrow Stile, Store Front Doors
Selling UnitSet
Item Count2 pack
Part NumberBCL-G-HSCO-42

Questions about this item

How much heat does the M35 cobalt steel handle when the bits run all day in stainless steel?

The 5% cobalt alloy raises heat resistance so the cutting edges stay hard during extended drilling in stainless steel and cast iron.

What shank style do these bits need on my drill or press to grip properly?

Each bit has a straight round shank that fits standard three-jaw chucks on corded drills, cordless drills and drill presses.

Will the 135° split point start cleanly in the harder alloys I already machine?

Yes, the 135° split point self-centres and prevents walking on stainless steel, cast iron and other hard metals you currently work.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.