IRWIN SPEEDBOR HA3016016 Irwin Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bit - 1/4" - Carded

1/4 x 4 Cobalt HSS Drill Bit

The Irwin Speedbor high speed steel drill bits are made of cobalt high speed steel that has an extremely durable and long lasting cutting edge

IRWIN SPEEDBOR® Cobalt High-Speed Steel (HSS) Jobber Length Drill Bits feature cobalt HSS, which provides the fastest drilling speeds in the market

Drills holes from 1/4 to 1/2 in

High performance cobalt allows bits to maintain their shape over longer periods of time resulting in long tool life

The Cobalt HSS Drill Bit is designed for high-speed drilling in a wide range of materials including steel, cast iron, aluminum, brass and bronze

Ideal for drilling clean holes through light gauge sheet metal, aluminum and plastics

Irwin Speedbor cobalt steel high speed drill bit is designed to drill in hard and abrasive materials on a wide range of machinery

This high-speed steel product is used to bore holes in wood, plastic, metal, and masonry with ease

The drill bit is designed for drilling in a variety of metals including steel, cast iron, aluminum, brass and more

#1 Speedbor cobalt high speed steel fractional straight shank drill bit

Imported high speed steel (HSS) for added strength

For added strength and durability, these bits have an extra hard bond (XHB)

This unique heat-treated cobalt high speed steel (HSS) is manufactured for Irwin Tools in Japan and delivers a long life of drilling without dulling the drill bit

The high cobalt formula gives Speedbor tools the ability to withstand greater impact and allows them to cut up to 200% faster than standard drill bits

Irwin Speedbor bits are constructed to offer maximum speed and durability

The cobalt HSS maintains its hardness at high temperatures and resists thermal shock better than most other high speed steel materials

This drill bit features a 1/4 x 4" shank size, a shank length of 6-1/2", and has 36 flutes that allow the bit to cut while providing coolant flow in the process

One of the most innovative and versatile drill bits around is the IRWIN Speedbor

Irwin Speedbor hole saws are engineered to drill faster

Irwin Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bit - 1/4" - Carded

The high speed steel construction makes these Irwin Speedbor drills ideal for use with wood, plastic, or metal making them a must-have around the house or in any professional setting

They fit all standard keyhole saws, making them ideal for tackling heavy-duty jobs

The cobalt steel core is surrounded by a high speed steel shell for added strength

Specifically designed for drilling large holes in wood, this drill bit features a special design that allows for faster drilling without increasing the friction that causes excessive heat build-up

With a long history of manufacturing and distributing high-quality power tool accessories, IRWIN has become a brand commonly recognized around the world

Designed for drilling in wood, plastics and metal

The cobalt material makes it ideal for drilling into engine blocks and other heavy duty applications where a general purpose drill bit just won't do

Features a precision ground tip to clear chips fast, leaving a smooth finish on the hole side with no burned edges on the back side

Designed for drilling in metal, wood and plastic