Punta elicoidale RUKO DOB-HSS-5,2mm grezza

Drilling precise holes in metal, cast iron, non-ferrous metals, and plastics requires a bit that stays sharp and centered. The RUKO DOB-HSS-5.2mm-Blank jobber drill bit solves this with a ground flute and conical point that cut cleanly without wandering.

Who is it for

Machinists, metalworkers, and serious DIYers who need a reliable general-purpose twist drill for workshop or production use.

Main features

• High-speed steel (HSS) body for durability and heat resistance
• Bright, uncoated finish reduces chip friction
• 118° point angle suits a wide range of materials
• Straight cylindrical shank fits standard drill chucks
• Ground flute profile improves chip evacuation

Specifications

• Diameter: 5.2 mm
• Overall length: 86 mm
• Flute length: 52 mm
• Material: High-Speed Steel (HSS)
• Point angle: 118°
• Shank type: Cylindrical / Straight
• Standard: DIN 338
• Cutting direction: Right hand
• Number of flutes: 2
• Point grind: Conical
• Tolerance: h8
• Series: A002
• Packaging quantity: 1

Tips

Use a center punch to mark the hole position before drilling. Apply cutting fluid when working with steel to extend bit life and improve finish.