01D610 - Walter SST+ 11.00mm Cobalt Drill Bit for Stainless Steel

Industrial-Grade Precision for Hard Metals

The Walter SST+ 11.00mm Drill Bit (SKU: 01D610) represents the pinnacle of drilling performance for maintenance, repair, and operations (MRO) professionals. Designed to tackle the toughest materials found in industrial environments, this bit utilizes a proprietary cobalt blend that significantly outperforms standard High-Speed Steel (HSS) bits. The inclusion of cobalt enhances the bit's red hardness, allowing it to maintain a sharp cutting edge even under the high temperatures generated when drilling through tensile materials like stainless steel and structural alloys.

Efficiency in production and maintenance is driven by tool geometry. The SST+ features a unique "high flow" flute design that rapidly evacuates chips from the hole. This efficient chip removal is critical for preventing heat buildup—the primary cause of premature tool failure. Furthermore, the bit is engineered with a back-tapered body, a subtle yet crucial feature that reduces friction along the side of the bit, preventing binding and reducing the torque load on your drilling equipment. This makes the SST+ particularly effective for deep hole drilling where chip packing and binding are common issues.

For precision work, the 135° split point geometry is a standard feature on the SST+ series. This point design allows the bit to self-center immediately upon contact with the workpiece, eliminating the need for center punching and preventing the bit from "walking" across the surface. This is especially advantageous when drilling on curved surfaces such as pipes or round stock. Finished with a special bronze SST surface treatment, this drill bit offers reduced friction and increased wear resistance, ensuring it remains a reliable component of your tooling inventory for longer.

Key Industrial Benefits

• Extended Tool Life: Cobalt blend resists heat and wear in abrasive materials.
• Reduced Downtime: Stronger web and body reduce breakage frequency.
• Versatile Application: Performs equally well in stationary presses and portable hand drills.