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Silver cylindrical drill bit with carbide spear tip 408

Tuff Stuff

Tuff Stuff 408 1/8" X 2-1/4" Glass & Tile Drill Bit Carbide Tip pneumatic accessory

SKU CH-9ACG-0CWFM

Carbide-tipped bit drills clean holes in glass, ceramic and marble tile without chipping

  • Product typeDrill Bits
  • Main materialGlass & Tile
  • Sold asEach
  • Carbide spear point drills clean holes without chipping glass or tile
  • Designed for glass, ceramic and marble surfaces
  • Rotation-only operation prevents cracking during drilling
  • Slow-speed drilling extends bit life and accuracy
  • 1/8 inch diameter by 2-1/4 inch length for precise holes

Tuff Stuff 408 Glass & Tile Drill Bit

The Tuff Stuff 408 is a 1/8" X 2-1/4" carbide-tipped drill bit designed for glass, ceramic and marble tile. Tungsten carbide spear points cut round holes without chipping or breaking the material. It is sold as a single unit for use with standard rotary drills.

Rotation-only operation required

This bit is rated for rotation only and must not be used in percussion or hammer-drill modes. Slow drilling speeds are recommended to preserve the carbide tip and prevent material fracture. Using impact action will damage both the bit and the workpiece.

Suited for tile installers and DIYers

Ideal for tradespeople and homeowners drilling clean holes in brittle surfaces like shower enclosures or backsplashes. Not for users who need hammer-drill compatibility or bits for metal, masonry or wood. Buyers requiring percussion drilling should look at a different accessory.

How it compares

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

Price $3.99
Cheaper than about 96% of the 5,493 comparable items (median $27.99).

Specifications

Product
Product typeDrill Bits
Size & build
Main materialGlass & Tile

Questions about this item

What does the 408 model number tell me about the bit when I chuck it in my drill?

The 408 identifies this specific 1/8 inch diameter carbide spear point bit designed to drill clean holes in glass, ceramic and marble tile.

The description says rotation only — what does that rule out in practice?

You must not use hammer or percussion mode; the carbide tip will shatter the tile or glass if impact is applied.

What shank size do I need on my drill to hold this bit?

The bit has a 1/8 inch shank, so your drill chuck must accept that diameter.

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