Twist drill bit KWB 159120 1 pc Right hand rotation

HSS twist drill with reduced shank suitable for standard electric drills. The KWB 159120 drill bit is roll-forged, steam-hardened and finished in blue-black. It has a right-hand cut, type N geometry and a 118° tip angle, designed for drilling alloyed and mild steel, castings, non-ferrous metals and hard plastics. Diameters 10.5–16 mm fit drills with 10 mm capacity chucks; diameters 17–20 mm fit drills with 13 mm capacity chucks.

Advantages

The reduced shank enables use in drills with smaller chucks while providing the cutting performance of HSS material. Roll-forged and steam-hardened construction increases strength and wear resistance. Type N geometry and 118° tip angle give reliable centring and efficient chip removal across a range of common workshop materials.

Suitable for

• Drilling alloyed and mild steel
• Drilling castings
• Drilling non-ferrous metals (e.g., aluminium, copper)
• Drilling hard plastics
• Use in standard electric drills with compatible chuck capacity

Key specifications

• Brand: KWB
• MPN: 159120
• EAN: 4009311591203
• Material: HSS (high-speed steel)
• Shank: reduced shank
• Cut: right-hand, type N
• Tip angle: 118°
• Surface: blue-black
• Manufacture: roll forged, steam hardened
• Diameter ranges: 10.5–16 mm (for 10 mm capacity chucks); 17–20 mm (for 13 mm capacity chucks)

How to use

Secure the KWB 159120 reduced-shank twist drill in a compatible drill chuck according to the diameter range. Use appropriate drilling speed and feed for the material being processed; apply cutting fluid when machining steels or castings to extend tool life. Ensure correct clamping of the workpiece and steady drilling pressure to maintain straight holes and prevent breakage.

Usage recommendations

For best results, match drill speed and lubrication to the material: lower speeds and cutting fluid for steels and castings, higher speeds for non-ferrous metals and plastics. Inspect the drill for wear and replace when cutting performance deteriorates.