Last updated at 21/03/2026 21:33:09
Bordo Cobalt Metric Drill Bits - Carded (Hang Sell Pack) 5.5mm
Delivery $12.61
Jobber Drill - Cobalt | Metric 5.5mm
Delivery $9.95
Bordo - 5.5mm HSS Cobalt Jobber Drill - Clam | 2011-5.50S
Delivery between 23–31 Mar $7.95
| Diameter (mm) | 5.5 |
| Flute Length (mm) | 57 |
Bordo Cobalt Metric Drill Bits - Carded (Hang Sell Pack) 5.5mm
Delivery $12.61
Jobber Drill - Cobalt | Metric 5.5mm
Delivery $9.95
Bordo - 5.5mm HSS Cobalt Jobber Drill - Clam | 2011-5.50S
Delivery between 23–31 Mar $7.95
| Diameter (mm) | 5.5 |
| Flute Length (mm) | 57 |

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. Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust. The 135o point should be used to cut harder steel materials especially in deep hole applications. In these situations it will produce thicker chips minimising work hardening of the cavity. Faster penetration reduces abrasion and friction along the cutting edges. Cobalt HSS jobber 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. Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust. The 135o point should be used to cut harder steel materials especially in deep hole applications. In these situations it will produce thicker chips minimising work hardening of the cavity. Faster penetration reduces abrasion and friction along the cutting edges. Cobalt HSS jobber drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
in 3 offers
The lowest price for Bordo 5.5mm Cobalt Drill Bit 2011-5.50s right now is $11.00 at Beyond Tools, compared across 3 retailers.
The all-time low was $9.61 on 30 Nov 2025 — today's price is 14% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 21 Mar 2026.
Bordo 5.5mm Cobalt Drill Bit 2011-5.50s
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. Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust. The 135o point should be used to cut harder steel materials especially in deep hole applications. In these situations it will produce thicker chips minimising work hardening of the cavity. Faster penetration reduces abrasion and friction along the cutting edges. Cobalt HSS jobber 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. Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust. The 135o point should be used to cut harder steel materials especially in deep hole applications. In these situations it will produce thicker chips minimising work hardening of the cavity. Faster penetration reduces abrasion and friction along the cutting edges. Cobalt HSS jobber drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.