Metal drill bits HSS-Ground DIN 338 Cobalt HSSGC 3.5 x 70

The Milwaukee Metal Drill HSS-Co D338 3.5 mm (SKU 4932373338) is a professional-grade drill bit set designed for precise and efficient drilling in high-alloy steels and other tough metal materials. Built with cobalt-enriched high-speed steel (HSS-Co), this drill bit offers superior hardness, heat resistance and durability for demanding metal-working applications. The D338 geometry ensures clean entry and consistent performance. The 3.5 mm diameter size is ideal for general-purpose metal drilling tasks where high strength and precision are required. Whether you are working with stainless steel, high-tensile steels (over 1000 N/mm²), or other challenging metallic materials, this drill bit set provides the reliability and robustness expected from Milwaukee.

Features & Specifications

• Brand: Milwaukee

• Model / Type: HSS-Co D338 series

• SKU / Part Number: 4932373338

• Diameter: 3.5 mm

• Set Quantity: 10 pieces

• Material: Cobalt alloy high-speed steel (HSS-Co) — ideal for high-alloy steels and metals with high tensile strength. 

• Geometry: D338 standard (DIN 338) twist drill format — robust design for metal drilling.

• Application: Suitable for drilling stainless steel, high-tensile steels (1000 N/mm²+), and other metals.

• Length / Holding system: Cylindrical shank, total length approx. 70 mm, cutting length approx. 39 mm. 

• Manufacturer: Milwaukee (Germany / Europe production)
  

• Key Benefit: Enhanced durability and heat resistance for metalworking tasks; high precision and reliability.