NACHI L500 HSS Straight Shank Drill Bit 8.5 mm, Overall Length 121 mm

High-Speed Steel Drill Bit NACHI L500 Size 8.5 mm, Length 121 mm
NACHI High-Speed Steel Drill Bit (Model L500) 8.5 mm, an industrial-grade straight shank drill bit imported directly from Japan. Manufactured from premium High-Speed Steel (HSS) through advanced NACHI hardening and grinding technology, this drill bit features razor-sharp cutting edges and exceptional heat resistance. It ensures smooth, precise material penetration, delivering clean, consistent, and burr-free holes. Ideal for applications demanding maximum performance and long service life.

Features 
- Japanese Industrial Quality (LIST 500): Manufactured to the NACHI LIST 500 standard, one of the most popular lines trusted by industrial plants worldwide.
- High-Grade HSS Material: Made from premium high-speed steel with a balanced ratio of hardness and flexibility, minimizing the risk of breakage in the workpiece even under high torque.
- Extended Reach (121 mm): With an overall length of 121 mm, it facilitates deep-hole drilling and reaches confined spaces effectively.
- Efficient Chip Removal: Engineered with spiral flutes for rapid swarf evacuation, reducing clogging and heat buildup at the tip during operation.

Applications 
- Metalworking & Tapping: The 8.5 mm diameter is the most popular standard size for pilot holes prior to M10 tapping.
- General Engineering: Drilling mild steel, cast iron, structural steel, and general alloys.
- Aluminum & Non-Ferrous Metals: Drilling aluminum, copper, brass, as well as engineering plastics and hardwood
- Maintenance & Construction: Heavy machinery maintenance, steel structure assembly, and high-quality DIY projects.

Specification
- Brand: NACHI (Made in Japan)
- Model: L500 (Straight Shank Twist Drill)
- Material: High Speed Steel (HSS)
- Diameter: 8.5 mm
- Overall Length: 121 mm
- Flute Length: approx. 87 mm

Applicable Materials
- Structural steel SS400
- Carbon steel S45C, S50C
- Alloy steel SCM, NAK
- Cast iron FCD, FC
- Aluminum AC, ADC
- Copper Cu