Solid Carbide Twist Drill Bit 8.5 mm, 5xD, TiAlN Coated, DIN 6537L

Precision-engineered with a 140° point angle and TiAlN coating, this solid carbide twist drill bit delivers exceptional performance in steel, stainless steel, and cast iron. The 8.5 mm diameter and 5xD drilling depth ratio make it a reliable choice for demanding metalworking tasks.

Overview

This carbide drill bit is built for high-performance drilling in tough materials. The solid carbide construction provides superior hardness and wear resistance, while the TiAlN coating reduces friction and heat buildup, extending tool life even at high cutting speeds. With a cylindrical shank and DIN 6537L standard, it fits a wide range of drill chucks and collets.

What stands out

• TiAlN coating for excellent heat resistance and longer life
• 140° point angle for accurate self-centering and reduced thrust
• 5xD depth ratio allows deep holes up to 42.5 mm
• h7 shank tolerance ensures precise clamping and minimal runout
• Right-hand cutting direction with 2 flutes for efficient chip evacuation

Technical details

• Tool material: Solid carbide (VHM)
• Drill diameter: 8.50 mm
• Flute length: 61 mm
• Overall length: 103 mm
• Shank diameter: 8.50 mm (cylindrical)
• Coating: TiAlN (Titanium Aluminum Nitride)
• Point angle: 140°
• Helix angle: 30°
• Coolant supply: External
• Manufacturing standard: DIN 6537L
• Number of flutes: 2
• Cutting direction: Right-hand
• Recommended materials: Steel, stainless steel, cast iron, non-ferrous metals
• Diameter tolerance: h7
• Product type: Twist drill bit

Our verdict

For professionals who demand precision and durability, this carbide drill bit is a top-tier choice. Its advanced coating and geometry ensure clean, accurate holes in hard metals, making it an essential addition to any machine shop or metalworking toolkit.