Features:
- Material composition: Made of a combination of high-speed steel (HSS) and cobalt alloy to enhance the drill bits' hardness, heat resistance, and overall strength
- Hardness: Cobalt steel drill bits are extremely hard, typically with a Rockwell hardness rating of 66-68 HRC which make cutting through tough materials without dulling quickly possible
- Heat resistance: Significantly improves the drill bit’s heat resistance compared to regular HSS drill bits and reduces the risk of overheating and prolonging their lifespan
- Abrasion resistance: Excellent abrasion resistance and can maintain the drill bit’s cutting edges for a longer time, even when drilling through hard materials like stainless steel or cast iron
- Precision and accuracy: Designed to provide precise and accurate drilling; perfect for applications where accuracy is crucial, such as metalworking and machining
- Versatility: Suitable for drilling through a wide range of materials, including metals, alloys, stainless steel, cast iron, and harder materials like titanium or hardened steel
Projobber 135° split point Cobalt steel drill bit improved centering, reduced drilling pressure, faster cutting, and improves chip evacuation compare to 118° split point HSS drill bit.
Drill Bit Dimensions:
- Diameter: 5.0mm
- Flute length: 52mm
- Overall length: 86mm
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