RCINDUS 20-Piece 3/16 Inch Cobalt Drill Bit Set – M35 HSS for Steel, Stainless Steel, Cast Iron, Wood

Overview

The RCINDUS 20-Piece 3/16 inch cobalt drill bit set arrives in a compact plastic storage case, ready to anchor a wide range of metalworking and DIY tasks. This kit is designed to deliver dependable performance under demanding conditions, helping you tackle tougher materials with confidence and organization.

Why RCINDUS cobalt drill bits stand out

• Harder alloy Built with M35 High Speed Steel containing 5 cobalt, offering enhanced hardness and wear resistance compared with standard HSS.
• 135 degree split-point This geometry promotes automatic centering and reduces walking when you start a hole on hard surfaces.
• Precision and consistency Diameter tolerance is controlled within -0.03 mm for reliable, repeatable holes across projects.
• Quality you can rely on Real M35 material undergoes multiple grinding and hardening steps, with direct factory sourcing for quality assurance.

Materials you can drill

The set covers a broad range of materials including hardened metal, stainless steel, cast iron, as well as plastic, PVC boards and wood. This versatility makes it useful for metal fabrication, automotive work, home renovations, and everyday repairs.

Practical tips and use cases

• Hole types Use the 3/16 bit size for pilot holes or through-holes in metal components and frames.
• Technique Apply steady pressure and appropriate speeds to maintain edge life and improve hole quality.
• Organization Store the bits in the included plastic case to stay organized and prevent loss on the job.

Care and expectations

The data highlights the capabilities of the M35 cobalt alloy and split-point geometry. Real-world results depend on material, setup, and technique. Regular cleaning and proper storage help preserve cutting edges and overall performance over time.