RUKO SPB-DIN338-20,0mm θερμής έλασης σπειροειδές τρυπάνι

Drilling precise 20 mm holes in tough materials demands a bit that stays sharp and true. The RUKO SPB-DIN338-20.0mm roll-forged twist drill bit answers that need with a robust HSS construction and a precise 118° point angle, making it a reliable choice for general-purpose drilling in steel, cast iron, non-ferrous metals, and plastics.

Who is it for

This drill bit is built for metalworkers, maintenance technicians, and serious DIYers who need consistent performance in materials up to 900 N/mm² tensile strength. Its cylindrical shank fits standard drill chucks, and the right-hand cutting direction suits conventional drilling machines and hand drills.

Main features

• Twist drill bit type, DIN 338 standard
• High Speed Steel (HSS) with ground finish (HSS-G)
• 20.0 mm diameter, 205 mm overall length, 130 mm flute length
• 118° point angle, h8 tolerance, right-hand cutting
• Bright surface finish for general-purpose use

Specifications

• Drill Bit Type: Twist Drill Bit
• Standard: DIN 338
• Material: High Speed Steel (HSS)
• Manufacturing Process: Ground (HSS-G)
• Drill Bit Diameter: 20.0 mm
• Overall Length: 205 mm
• Flute Length: 130 mm
• Shank Type: Cylindrical
• Shank Diameter: 20.0 mm
• Point Angle: 118°
• Tolerance: h8
• Cutting Direction: Right-hand cutting
• Surface Finish: Bright
• Recommended Materials: Steel, Cast Iron, Non-ferrous Metals, Plastics
• Max Tensile Strength of Material: Up to 900 N/mm²
• Product Series: Ruko 204 Series
• Number of Pieces: 1

Tips

Use a cutting fluid when drilling steel to extend bit life and improve hole quality. For deep holes, withdraw the bit periodically to clear chips. Ensure the workpiece is securely clamped to prevent movement.