Alpen | Drill Bit HSS Cobalt 3.0mm DIN338 RN Bulk Lawn Star_Replacement Chain Use a brass brush to

Use a brass brush to create a soft

5 x 160/100mm

Fine diamond (25 micron / 600 mesh) for a razor sharp edge

and prevent shrinking

Alpen | Drill Bit HSS Cobalt 3.0mm DIN338 RN Bulk Lawn Star_Replacement Chain Use a brass brush toHSS Cobalt Jobber Drill Bit Size: 3. 0 x 61 33mm Range of application 5% cobalt alloyed jobber drills with high heat resistance for drilling steels with tensile strength over 800N mm, especially suitable for high alloyed steels, bearing steels, and hot cold rolled steel. Ideal for stainless steel Strengths Self centering, due to a special point shape Drilling even with the highest thermal stress up to 600 Fast, due to special drill grinding fast