RS Pro HSS M3 → M10 12 piece Counterbore & Drill Bit Set

This RS Pro 132-019 is a 12-piece counterbore & drill bit set —an essential tool kit for professional machinists and serious DIYers who require precise screw head recessing. Manufactured from robust High-Speed Steel (HSS), this set is engineered for superior durability and prolonged lifespan when working with various materials. It features a comprehensive range of M3 to M10 thread sizes, providing the versatility needed to secure screws flush with the workpiece surface, enhancing both the aesthetics and safety of your finished project.

The Practical Benefits of the RS Pro Counterbore Set

The primary practical benefit of this 132-019 counterbore set is achieving a professional, flush finish for screw heads, which prevents snagging and improves surface integrity. Using this HSS Counterbore Set ensures the creation of perfectly cylindrical recesses, leading to stronger, more reliable bolted joints and a significant reduction in the chance of fastener pull-through or misalignment.

Top Functional Highlights & Key Uses of the RS Pro Counterbore Set

• 12-Piece Set: Comprehensive collection covering popular M3 to M10 thread sizes.
• HSS Construction: High-speed steel material for excellent hardness and heat resistance.
• Precision Recessing: Designed to create accurate, cylindrical recesses for socket cap screws.
• Key Uses: Machining, engineering, and woodworking for flush screw fitting.

For more information please check the datasheets.