Cobalt Drill Bit Set- 13Pcs M35 High Speed Steel 1/16"-1/4" KF10 Pure food grade diatomaceous earth

Pure food grade diatomaceous earth can be used for a large number of different purposes

Cleaning the air stone surface often will increase its lifespan

[CALIBRATION OPERATION]: Mix a packet of 6

Range: 0-1/2"

Cobalt Drill Bit Set- 13Pcs M35 High Speed Steel 1/16"-1/4" KF10 Pure food grade diatomaceous earth[PREIMUM QUALITY]: Material: HSS with 5% cobalt: durable, higher heat resistance and wear resistance. [ACCURATE]: 135?? split point and twist design: prevent walking and remove debris and particles faster. [WIDE APPLICATIONS]: M35 Cobalt HSS is more suitable for hardening materials. Especially suitable for cutting hard metals, such as stainless steel, cast iron, high temperature alloys, titanium alloys, hard plastics and wood, but also for softer