Irwin IW3036501 HSS Cobalt Drill Bit Set 15 Piece

This 15-piece IRWIN HSS cobalt drill bit set is designed for metal drilling, including stainless steel and other high alloys. The bits are made from high-speed steel with 5% cobalt to improve red hardness and tool life, and they feature a 135° split point for precise centering and reduced drilling pressure. The set covers a range from 1.5 mm to 10 mm, with an industrial quality ground flute for high accuracy and efficient chip removal. Built to fit standard drill chucks, these bits are suitable for use with power drills and drill presses. The body has a golden tempered surface finish. The set includes sizes 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8, 9, and 10 mm, offering broad compatibility for metalworking tasks.

Features

• 15-piece HSS cobalt drill bit set
• Sizes 1.5–10 mm (0.5 mm steps)
• 5% cobalt increases heat resistance and life
• 135° split point for centering
• Industrial ground flute for accuracy

Technical specifications

• Material: HSS with 5% cobalt
• Compatibility: standard drill chucks; for power drills and drill presses
• Application: drilling metals (including stainless steel)
• Quantity: 15 pieces
• Included sizes: 1.5–10 mm
• Finish: golden tempered surface

Use appropriate safety equipment and follow proper drilling procedures. Apply steady pressure during drilling and use cutting fluid if necessary to prolong tool life and improve performance.