RUKO SPB-DIN338-HSS-G-risti-5/16 kierrepora, 5/16 tuumaa, HSS-G, ristihiottu, DIN 338

Precision drilling in tough materials demands a bit that stays sharp and cuts cleanly. The RUKO SPB-DIN338-HSS-G-Kreuz-5/16 twist drill bit answers that need with its 5/16 inch diameter and ground high-speed steel construction.

Who is it for

Metalworkers, machinists, and serious DIYers who need a reliable bit for steel, cast iron, non-ferrous metals, plastics, and wood.

Main features

• 5/16 inch (7.9375 mm) diameter
• HSS-G (high-speed steel, ground) for durability
• Split point (Kreuzanschliff) for accurate starting without walking
• 135° point angle for efficient cutting
• DIN 338 standard dimensions
• Bright finish

Specifications

• Material: HSS-G
• Standard: DIN 338
• Drill bit type: Twist drill bit
• Shank type: Cylindrical
• Diameter: 5/16 inch (7.9375 mm)
• Total length: 117 mm
• Working length: 75 mm
• Point type: Split point
• Point angle: 135°
• Helix angle: Standard (Type N)
• Surface finish: Bright
• Manufacturing process: Ground
• Tolerance: h8
• Cutting direction: Right-hand cutting
• Suitable materials: Steel, cast iron, non-ferrous metals, plastics, wood

Tips

Use cutting fluid when drilling steel to extend bit life. For best results, start with a center punch or pilot hole in hard metals.