Broca NWKC FI 20,00 140/238MM MK2 HSS retificada oxidada EL-CUT DIN 345

Drilling precise, clean holes in tough steel can be a challenge with standard bits, which often overheat, wander, or wear out quickly. This 20 mm HSS twist drill with an oxidized finish and EL-CUT geometry solves those problems, delivering accurate holes and long service life in demanding metalworking tasks.

Who is it for

Professional machinists, metal fabricators, and serious DIYers who need a reliable large-diameter drill for steel, cast iron, and non-ferrous metals. It is especially suited for use on drill presses and stationary machines with an MK2 Morse taper shank.

Main features

• Precision-ground HSS with oxidized surface for reduced friction and improved chip flow.
• EL-CUT point geometry for self-centering and reduced thrust.
• DIN 345 compliant with MK2 Morse taper shank for secure tool holding.
• Diameter 20.00 mm, flute length 140 mm, overall length 238 mm.
• Oxidized finish enhances wear resistance and corrosion protection.

Specifications

• Brand: Wiertło
• Model: E.1704200
• MPN: E.1704200
• EAN: 5907324004378
• Diameter: 20.00 mm
• Flute length: 140 mm
• Overall length: 238 mm
• Shank type: Morse Taper MK2
• Material: HSS (High-Speed Steel)
• Surface finish: Oxidized
• Point geometry: EL-CUT
• Standard: DIN 345
• Category: Drill Bit

Tips

Use cutting oil and appropriate speeds for the material. Ensure the Morse taper socket is clean before mounting. For deep holes, retract periodically to clear chips and prevent overheating.