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

19 x HD-COBALT Jobber Drill Bits

1.0 mm
1.5 mm
2.0 mm
2.5 mm
3.0 mm
3.5 mm
4.0 mm
4.5 mm
5.0 mm
5.5 mm
6.0 mm
6.5 mm
7.0 mm
7.5 mm
8.0 mm
8.5 mm
9.0 mm
9.5 mm
10.0 mm

Plastic Index Case