4mm Straight Shank Twist Drill Bit

– Extremely Heat Resistant: Built to withstand high temperatures, ensuring optimal performance and longevity.
– High-Speed Efficiency: Must be used at higher RPM for maximum efficiency and faster cutting.
– Extremely Durable: Hardened alloy construction provides a longer lifespan, up to six times longer than average drill bits.
– Faster Cutting: Designed for rapid material removal, saving you time and effort.

Note:

• This is a Generic Non-Branded Low-Cost DIY Product.
• Image, Color, Packaging, Brand Name, Model Name, etc may vary in each lot.
• Flute & Overall Length may vary slightly from the given chart.