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The Tolsen 75110 is a 3.2mm twist drill bit built for metalworking and stainless steel applications. Under the DIN338 standard, it maintains a 65mm total length with a 32mm flute for consistent hole depth. Compared to the 75000 series, this version uses industrial-grade HSS M2 material and a 130° split point instead of the older 118° design. The updated black and gold finish replaces the previous polished surface to increase thermal resistance during high-speed rotation.
Key Features
- 130° Split Point: Self-centering geometry prevents bit walking on hard surfaces. It bites into metal immediately without requiring a center punch.
- Black and Gold Finish: Heat-resistant coating reduces friction during high-speed drilling operations. This prevents the bit from snapping under heavy load in high humidity.
- Industrial Grade HSS M2: Hardened tool steel penetrates stainless steel and alloyed metals. It maintains a sharp cutting edge longer than standard carbon steel bits.
- Fully Ground Flutes: Precision-machined 32mm flute length for efficient chip removal. It clears debris quickly to prevent overheating inside the drill hole.
Frequently Asked Questions
Is Tolsen 75110 suitable for stainless steel?
The HSS M2 material grade handles stainless steel and other hardened alloys effectively. Its 130-degree split point reduces the physical pressure needed for metal penetration.
What is the length of Tolsen 3.2mm drill bit?
This bit measures 65mm in total length with a 32mm flute length. These dimensions follow the DIN338 jobber length standard for industrial compatibility.
