Cobalt twist drill bit set (M35)

**Cobalt Twist Drill Bit Set (M35) – 13 Pieces**

**QUICK OVERVIEW**

- Cobalt steel drill bits for high-strength metal drilling  
- 1/4" hex shank for quick tool changes  
- Precision ground edges for clean and accurate holes  
- High heat resistance for demanding applications  
- Ideal for stainless steel, hardened steel and alloys  

**PRODUCT DESCRIPTION**

The Cobalt Twist Drill Bit Set (M35) is engineered for precision drilling in tough metals. Manufactured from cobalt high-speed steel, these bits provide superior heat resistance and durability compared to standard drill bits.

The fully ground cutting edges ensure smooth drilling with reduced burrs, while the 1/4" hex shank allows fast installation in drills and impact drivers. This set covers the most commonly used sizes, making it ideal for workshops, metal fabrication and maintenance tasks.

**KEY FEATURES**

- Cobalt alloy construction for extreme durability  
- Precision ground cutting edges for clean holes  
- Heat-resistant design for heavy-duty drilling  
- Hex shank for quick bit replacement  
- Suitable for professional and industrial use  

**TECHNICAL SPECIFICATIONS**

Material: Cobalt high-speed steel (M35)  
Shank type: 1/4" hex (6.35 mm)  
Quantity: 13 pieces  
Surface treatment: Black oxide coating  

**DRILL BIT SIZES**

1.5 mm  
2.0 mm  
2.5 mm  
3.0 mm  
3.5 mm  
4.0 mm  
4.5 mm  
5.0 mm  
5.5 mm  
6.0 mm  
6.5 mm  

**COMPATIBLE MATERIALS**

Stainless steel  
Hardened steel  
Alloy steel  
Cast iron  
Aluminum  
Plastic  

**APPLICATION**

Metalworking, automotive repair, construction and professional drilling tasks.

**WHY CHOOSE THIS PRODUCT?**

A durable and versatile drill bit set designed for precision drilling in hard metals while ensuring longer tool life and reliable performance.