Streamlined Title: IRWIN 29-Piece M35 Cobalt Alloy Steel Drill Bit Set (3018002)

The IRWIN Tools Cobalt Alloy Steel High-Speed Steel Drill Bit, 29-Piece Metal Index Set (3018002) is specifically designed for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. The drill bits are made from industrial-grade High-Speed Steel, ensuring increased durability. The 8% Cobalt Alloy Steel used in their construction makes them heat and abrasion-resistant.

The 135-degree split-point tip of these drill bits starts drilling immediately with less force, eliminating the "walking" effect often experienced across the work surface. The set includes drill bit sizes ranging from 1/16- to 1/2-inch in 1/64-inch increments, conveniently stored in a metal index case for easy access and identification.

The Irwin 29-Piece Cobalt M-35 Metal Index Drill Bit Set is designed with heavy-duty web construction, providing exceptional strength and durability. The cobalt steel used in the bits extends the life of the cutting edges, ensuring a longer-lasting tool. The 135-degree split-point tips start drilling on contact, requiring less force to cut through the material.

One unique feature of this set is the reduced shank above the 3/8-inch point, which allows for the use of larger drill bits in a 3/8-inch chuck. This versatility is further enhanced by the included tap and drill selection chart, enabling users to easily select the right bit for their specific needs.

The set's rugged, rubber-overmolded case protects the drill bits from damage due to accidental dropping, and the removable cartridges make it easy to transport the bits from the case to the worksite.

In summary, the IRWIN Tools Cobalt Alloy Steel High-Speed Steel Drill Bit, 29-Piece Metal Index Set (3018002) is a versatile and durable tool, ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. Its features, such as the 135-degree split-point tips, cobalt steel construction, and convenient storage and transport options, make it a valuable addition to any workshop or toolbox.

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