Diablo DHS4BITCB 4 in. Cobalt Pilot Drill Bit, Hex Shank

Diablo DHS4BITCB 4 in. Cobalt Pilot Drill Bit, Hex Shank

The Diablo 4 in. Cobalt Pilot Drill Bit is engineered to deliver faster cutting performance and increased productivity when drilling hardened metals, cast iron, and stainless steel. Built with a 1/4 in. hex shank and a 9/32" diameter, this pilot bit is designed to fit all Snap-Lock Plus™ mandrels for fast, efficient connectivity and quick bit changes with no downtime. Diablo's cobalt construction is formulated to hold up in high-heat applications, making it a reliable choice for professionals who demand consistent performance through tough, abrasive materials.

Key Features

• Length: 4 in. overall bit length for extended reach on deeper drilling applications.
• Durable Construction: Cobalt material delivers elevated performance and durability in high heat applications compared to standard steel bits.
• Shank Type: 1/4 in. hex shank designed to fit all Snap-Lock Plus™ mandrels for quick, tool-free bit changes with no downtime.
• Diameter: 9/32" pilot bit diameter sized for precision starter holes ahead of larger-diameter cutting operations.
• Cutting Capability: Cuts hardened metals, cast iron, and stainless steel for faster, more efficient cuts across demanding jobsite materials.
• Mandrel Compatibility: Compatible with the Snap-Lock Plus™ mandrel system, allowing fast connectivity and reduced changeover time on the jobsite.
• Packaging: Sold as 1 ea for straightforward replacement or stocking of individual pilot bits.

Technical Specifications

• Shank: 1/4 in. hex
• Diameter: 9/32"
• Length: 4 in.
• Material: Cobalt
• Packaging: 1 ea

Typical Applications

• Drilling Pilot Holes in Hardened Metals
• Cast Iron Fabrication and Repair
• Stainless Steel Drilling Applications
• Use with Snap-Lock Plus™ Mandrel Systems
• Metalworking and Industrial Maintenance

Why Diablo?

Diablo engineers its Cobalt Pilot Bit for professionals who need dependable cutting performance in the toughest materials, from hardened metals to cast iron and stainless steel. The cobalt construction and Snap-Lock Plus™ mandrel compatibility combine to reduce downtime and keep crews moving efficiently through high-heat, high-wear drilling tasks. Choose Diablo for a pilot bit built to hold an edge and perform where standard bits fall short.