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Ten cobalt drill bits in a plastic storage case

Olympia Tools M35-1/8-10pcs Cobalt Drill Bit Set, 10 pcs, 135 Degree Tip

SKU CH-0F0Q-52G9W

Ten cobalt M35 drill bits with 135-degree tips for hard metal, stainless steel, cast iron, wood and plastic in a storage case

  • Fit and compatibilityOut-Opening, Narrow Stile, Store Front Doors
  • Product typeBand Saw Blades
  • Main materialPlastic
  • Sold asSet
  • Number of items2 pack
  • M35 cobalt steel with 5% cobalt resists wear and heat
  • 135-degree split point centres the bit and reduces drilling pressure
  • Jobber-length twist design clears chips fast for cooler cuts
  • Suitable for stainless steel, cast iron, titanium alloy and hard plastics
  • Ten-piece set supplied in a sturdy plastic storage case

Drill Bit Set for Hard Metals

This Olympia Tools set contains 10 cobalt drill bits with a 135 degree tip made from M35 high-speed steel. The jobber length twist design suits hard metal, stainless steel, cast iron, wood and plastic. A sturdy plastic case provides storage and carrying convenience.

Suits Repetitive Drilling Tasks

The uniform hardness allows repeated sharpening without damaging the cutting edge, ideal for workshops needing long-lasting bits. Builders requiring a wider range of diameters or larger set counts such as 13, 15, 21, 29 or 115 pieces should look at other options.

Simple Chuck Installation

The straight shank fits standard drill chucks and prevents walking for precise positioning. Users must ensure the chuck is tightened securely to avoid slippage during high-torque applications on tough alloys.

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
Model nameHand Rivet Nut Setter Kit
Part numberM35-1/8-10pcs
Product typeBand Saw Blades
Size & build
Main materialPlastic
Compatibility
Fit and compatibilityOut-Opening, Narrow Stile, Store Front Doors
In the box
Number of items2 pack

Questions about this item

What chuck size do I need for the 1/8 inch shank on these M35 cobalt bits?

A standard three-jaw chuck that opens to at least 1/8 inch will hold the straight shank securely.

Will the 135 degree tip cut cleanly in the cast iron and stainless steel I already drill with high-speed steel bits?

The M35 alloy with 5 percent cobalt resists heat better than standard HSS, so it stays sharp longer in hard metals.

How can I confirm the bits are performing as intended after the first few holes?

Look for quick penetration with light pressure, minimal walking at the start, and chips clearing cleanly from the flutes.

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