SUTTON 1/16-3/8inch Imperial HSS-Cobalt Jobber Drill Bit Set – HD-COBALT – 21 Piece

SUTTON TOOLS® HD-COBALT Jobber Drill Bits are industrial quality for drilling materials that have high hardness and tensile strength such as cast iron, bronze, hardened steel & stainless steel. These drill bits feature a thick core for increased rigidity in hard materials.

Features

• 135° Split Point (>2mm & >3/32″) – Enables accurate positioning and less drilling pressure
• Thick core – For increased rigidity in hard materials
• Precision Engineered Parallel Shank – For accurate hole size
• Made from HSS-Co (Cobalt) – The 5% cobalt formula improves abrasive & heat resistance, for increased strength at higher cutting temperatures
• Colour Tempered Surface Finish – Enables identification of cobalt tool material

Includes

• 21 x HD-COBALT Jobber Drill Bits (1/16″ – 3/8″ in 1/64″ increments)
• Plastic Index Case