Tolsen 75131 Black and Gold HSS Drill Bit bores through stainless and structural steel with M2 grade precision. The 135° split point stops the bit from wandering across the workpiece during startup. This version upgrades from roll-forged steel to fully ground M2 and increases the point angle from 118° to 135°.
Key Features
- 135° Split Point: Self-centering geometry prevents bit walking on smooth metal surfaces. Startup requires no pilot hole or center punch.
- M2 Steel Construction: Fully ground High-Speed Steel maintains hardness under high heat. Cutting edges survive repeated industrial use.
- 3-Flatted Shank: Flat planes ground into the shank prevent chuck slippage. Torque transfers directly to the bit without spinning.
- Black and Gold Finish: Surface treatment reduces friction and manages heat dissipation. Steel won't rust during storage in heavy humidity.
- DIN338 Dimensions: 101mm flute length provides deep reach for structural work. Standard sizing fits most 13mm or 16mm chucks.
Frequently Asked Questions
Is Tolsen black and gold drill bit for stainless steel?
The M2 grade steel handles stainless and other hard alloys. Black and gold coating manages the heat generated during stainless drilling.
What is the benefit of a 135 degree split point?
This angle allows the bit to start cutting on contact without wandering. It removes the need for center punching or pilot holes.
