Makita D-17429 8mm x 117mm HSS-Co Cobalt Metal Drill Bit

Summary

The Makita D-17429 is an 8mm HSS-Co cobalt twist drill bit designed for professional drilling into ferrous and non-ferrous metals, stainless steel, and high-alloy materials. Manufactured from M35 steel with a 5% cobalt content, it delivers superior heat resistance and extended service life compared to standard HSS bits. An ideal choice for tradespeople working on structural metalwork, automotive bodywork, and engineering applications.

Features

• Manufactured from M35 high-speed steel with 5% cobalt content for enhanced hardness and heat resistance.
• High-temperature treatment process ensures durability when drilling stainless steel, cast iron, and difficult-to-machine alloys.
• Symmetrical head geometry with a precision centring tip for accurate, clean hole entry.
• Suitable for use on mild steel, stainless steel, welded seams, aircraft materials, and high-alloy content workpieces.
• Longer-lasting cutting edge compared to standard HSS drill bits, reducing replacement frequency on site.
• Compatible with standard drill chucks; straight round shank for secure grip and minimal runout.
• Manufactured to DIN 338 standard for consistent quality and dimensional accuracy.

Specifications

• SKU: D-17429
• Brand: Makita
• Diameter: 8 mm
• Overall Length: 117 mm
• Material: HSS-Co (M35, 5% Cobalt)
• Shank Type: Straight round shank
• Application: Metal drilling (mild steel, stainless steel, alloys)
• Standard: DIN 338

What's Included

• 1 x Makita D-17429 8mm HSS-Co Cobalt Drill Bit