Value Collection SC1082020 Countersink 82 Deg Hss

Product Description

The VALUE COLLECTION SC1082020 is a single-flute, high-speed steel countersink designed for deburring and chamfering holes in metalworking and light fabrication applications. With an 82-degree included angle and a 5/16-inch head diameter, it produces clean, consistent countersunk seats suited to flat-head fastener installations. The 1/4-inch straight cylindrical shank fits standard drill chucks and quick-change holders. The bright, uncoated finish is appropriate for general-purpose use on ferrous and non-ferrous materials. This tool is typically installed by machinists, maintenance technicians, and experienced tradespeople who require accurate countersinking without a pilot guide.

The SC1082020 is suited for countersinking in hand-drill, drill press, and light CNC setups where a single-flute geometry is preferred for reduced chatter and cleaner entry. The 82-degree angle matches the standard for flat-head machine screws and sheet metal fasteners common in HVAC panel work, electrical enclosure assembly, and general mechanical fabrication. No pilot is included, so the operator controls concentricity through fixture or layout.

Key Features

• 82-degree included angle matches standard flat-head fastener geometry
• Single flute design reduces chatter and improves surface finish in the countersink seat
• High-speed steel construction provides durability across ferrous and non-ferrous workpieces
• 1/4-inch straight cylindrical shank fits standard drill chucks and quick-change systems
• Bright, uncoated finish for general-purpose countersinking without specialty coating requirements
• No pilot included — full operator control over hole concentricity

Compatibility

Designed as a general-purpose countersink compatible with standard 1/4-inch straight-shank drill chucks, collet holders, and quick-change tool systems used in hand drills, drill presses, and light CNC equipment.

Installation Notes

Secure the 1/4-inch shank firmly in the chuck before operation and verify the spindle is at a safe, low speed appropriate for the workpiece material. Power down the drill or press completely before changing or inspecting the tool. Because no pilot is included, use a center-punched layout or fixture to maintain concentricity. Inspect the cutting edge before each use and replace the tool if chipping or dulling is observed to avoid poor seat quality.