RUKO HGB-Set22tlg-HSSCo-2 22-dielna sada HSS-Co špirálových vrtákov s kovovou kazetou

This 22-piece twist drill bit set is engineered for high-performance drilling in tough materials, featuring a 5% cobalt HSS-Co construction that withstands temperatures up to 1100 N/mm² tensile strength. The set includes diameters from 1.0 mm to 12.0 mm in 0.5 mm increments, all fully ground from solid for precision and durability.

Advantages

Split point geometry ensures self-centering and reduces walking, while the 135° point angle provides efficient cutting. The bright finish offers corrosion resistance and smooth chip evacuation. Each bit is manufactured to DIN 338 standards with h8 tolerance for consistent sizing.

Suitable for

• Stainless steel
• Alloyed and unalloyed steel
• Cast iron
• Non-ferrous metals
• Plastics

Key specifications

• Material: HSS-Co (5% cobalt)
• Type: Twist drill bit
• Standard: DIN 338
• Point angle: 135°
• Point type: Split point
• Shank: Cylindrical
• Cutting direction: Right-hand
• Tolerance: h8
• Manufacturing: Fully ground from solid
• Packaging: Robust metal cassette

Recommendations

For optimal performance, use cutting oil when drilling stainless steel and reduce speed for larger diameters. The metal cassette provides organized storage and protection.