Cobalt Drill Bit Set 115 PCS - M35 High Speed Steel Twist Jobber Length
M35 cobalt high speed steel drill bits for hardened metals, stainless steel, cast iron, plastic and wood. Features 135 split point, self-centering, and fully ground twist design for precise, cooler drilling. Customers note good value and varied sizes, with mixed durability and sharpness
Highlights
- M35 cobalt material
- self-centering split point
- wide size range
Pros
- M35 cobalt high speed steel for extended tool life
- 135 split point for self-centering and precise starts
- fully ground twist design for faster chip clearance
- wide size range (1/16"-1/2") and variety
Cons
- mixed durability and sharpness reports
- some feedback on steel quality being cheap
Best For
Features
- High Quality Material - High Speed Steel M35 (Cobalt 5%) provide extended tool life compared to ordinary drill bits when drilling hard materials.
- Characteristics - 135 split point with round straight shank
- self-centering prevent walking
- make drilling precise and faster. Fully Ground twist design helps clear particles faster
- decreases friction and heat for a cooler drilling performance.
- Widely Used - M35 Cobalt High Speed Steel is more suitable for tough
- high tensile strength material. Particularly successful in cutting harden metals such as stainless steel
- cast iron
