RUKO SPB-DIN338 11,8mm valcovaný HSS špirálový vrták

Twist drill bit with 11.8 mm diameter, roll-forged from high-speed steel (HSS-R) to DIN 338. Delivers reliable drilling performance in metal, wood, plastics, and non-ferrous metals.

Advantages

Roll-forged HSS construction provides a tough, wear-resistant cutting edge. The black oxide finish reduces friction and improves chip evacuation. Cylindrical shank with h8 tolerance ensures secure chuck grip and precise rotation.

Suitable for

• Metal up to approx. 900 N/mm²
• Wood
• Plastics
• Non-ferrous metals

Key specifications

• Diameter: 11.8 mm
• Total length: 142 mm
• Working length: 101 mm
• Point angle: 118°
• Cutting direction: right-hand
• Standard: DIN 338
• Material: HSS-R (roll-forged high-speed steel)
• Surface: black oxide

Recommendations

Use with a suitable drill chuck and cutting fluid for metal. For best results, pre-drill with a smaller diameter when working in hard materials.