Cobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
Cobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
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Cobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
Cobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
Size
Last updated at 13/09/2025 23:46:45
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| Split Point | 135° |
| Diameter | 21/64" / 8.33 mm |
| Flute Length | 84 mm |
| Overall Length | 117 mm |
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| Split Point | 135° |
| Diameter | 21/64" / 8.33 mm |
| Flute Length | 84 mm |
| Overall Length | 117 mm |
