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Chicago-Latrobe 49208 screw machine drill bit, 1/8 inch, black oxide finish, split point, 135 degree angle

Chicago-Latrobe

Chicago-Latrobe 49208 Screw Machine Drill Bit 1/8 in 135 Degrees

SKU CH-ABVC-B03M1

A 1/8 inch screw machine drill bit with a 135 degree split point made from high speed steel with black oxide finish

  • Product typeDrill Bits
  • Precise centring with 135-degree split point
  • Fast chip removal from right-hand cutting direction
  • Durable high-speed steel construction
  • Corrosion-resistant black oxide finish
  • Exact 0.1250 inch drilling diameter

Chicago-Latrobe 49208 Drill Bit

This Chicago-Latrobe 49208 is a high-speed steel screw machine drill bit sized at 1/8 inch with a decimal equivalent of .1250. It is designed for general-purpose drilling in metal, wood, and plastic for professional tradespeople and maintenance technicians.

Split point geometry for immediate starts

The 135-degree split point is self-centering and reduces thrust requirements, allowing the bit to start on contact without a centre punch. This design frees up workflow by eliminating the need for pilot holes in thin materials and fits standard drill chucks and quick-change adapters.

Black oxide finish resists heat buildup

The black oxide coating provides lubricity and corrosion resistance, helping to dissipate heat during normal drilling operations. Right-hand cutting direction ensures compatibility with standard drill motors, while the non-coolant-through construction suits dry machining environments.

How it compares

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

Price $2.99
Cheaper than about 97% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCHICAGO-LATROBE
Product typeDrill Bits

Questions about this item

Will the 135-degree split point stay sharp through repeated drilling in hardened steel?

The 135-degree split point on this high-speed steel bit reduces walking and requires less thrust, extending edge life in tough materials.

Does the black oxide finish keep the bit cool enough for continuous use in a production drill press?

Black oxide provides lubricity and corrosion resistance, but sustained high-speed drilling still generates heat that requires proper cutting fluid or pauses.

What shank style does the 49208 use so I know it fits my 3-jaw chuck?

The 1/8-inch straight shank with decimal equivalent .1250 fits standard drill chucks and collets without an adapter.

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