[PRECISION DRILLING FOR DELICATE WORK] This 150PCs spiral drill bit set is designed for high precision tasks such as jewelry making clock repair and model building. The bits range from ultra fine 0.4mm to sturdy 3.2mm sizes allowing you to tackle any delicate drilling job with accuracy and clean results every time.
[VERSATILE APPLICATION ACROSS MULTIPLE FIELDS] Whether you're working on electronic products creating miniature or engaging in hobby crafts these drill bits are your companion. Their spiral design ensures efficient chip removal while the high speed steel construction provides durability across various materials.
[ORGANIZED STORAGE FOR EASY ACCESS] The specially designed storage box keeps your 150 drill bits neatly organized and securely in place. Each bit has its designated slot preventing damage and making it easy to find the exact size you need. The compact case design allows for convenient portability to your workshop or job site.
[HIGH SPEED STEEL FOR LONG LASTING PERFORMANCE] Crafted from premium high speed steel (HSS) these drill bits resist and maintain their sharpness through extended use. The durable construction ensures consistent performance whether you're working with soft metals plastics or wood making them ideal for both professionals and DIY enthusiasts.
[QUALITY ENGINEERED FOR PROFESSIONAL RESULTS] Manufactured under strict quality control standards these twisted drill bits deliver professional grade performance. The precision ground tips provide clean accurate holes while the optimized flute design ensures smooth efficient drilling operation after operation.

Spec:
Item Type: Twisted drill bits
Size:
0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.8mm, 3.0mm, 3.2mm
Material: High speed steel

Package List：
10 x Twisted Drill Bit 0.4mm
10 x Twisted Drill Bit 0.5mm
10 x