KWB 248642 Broca helicoidal HSS-G 4,2 mm DIN 338

Precision-ground HSS-G twist drill bit with a 4.2 mm diameter, DIN 338 standard, and 118° point angle for clean, accurate drilling in metal, plastic, and wood.

Overview

The KWB 248642 is a high-speed steel (HSS-G) twist drill bit, precision ground for sharpness and durability. It features a cylindrical shank that fits standard drill chucks, including geared (Zahnkranzbohrfutter) and keyless types. With a diameter of 4.2 mm, it is suitable for a wide range of drilling tasks in metal, plastic, and wood.

What stands out

• DIN 338 compliance ensures consistent length and flute geometry for reliable performance.
• 118° point angle provides a good balance between centering and cutting efficiency on various materials.
• Bright, uncoated surface reduces friction and allows for easy resharpening.
• Right-hand cutting direction is standard for most drilling applications.

Technical details

• Drill bit type: Twist drill bit
• Material: HSS-G (High Speed Steel - Ground)
• Diameter: 4.2 mm
• Overall length: 75 mm
• Working length (flute length): 47 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Manufacturing process: Precision ground
• Surface finish: Bright (uncoated)
• Quantity: 1 piece

Our verdict

A reliable, precision-ground twist drill bit for everyday drilling in metal, plastic, and wood. Its DIN 338 dimensions and 118° point angle make it a versatile choice for both professionals and DIY enthusiasts.