Value Collection SC101005S Countersink Set 5 Pc Hss

Product Description

The VALUE COLLECTION SC101005S is a 5-piece countersink set designed for creating clean, angled seat recesses in wood, plastic, and soft metal workpieces. Each countersink features a single flute geometry with a 100-degree included angle, making it well suited for standard flat-head fastener installations. The straight shank measures 1/4 inch in diameter across all five pieces, allowing consistent chuck compatibility throughout the set. Constructed from high-speed steel with a bright, uncoated finish, these tools are intended for general-purpose countersinking by machinists, carpenters, and maintenance tradespeople working with hand drills or drill presses.

This set covers head diameters ranging from 1/4 inch to 1 inch, providing versatility across a range of fastener sizes in a single kit. The right-hand cutting direction suits standard drill operation. All five countersinks store in an included wooden block, keeping the set organized and protecting cutting edges between uses. Typical applications include pre-drilling for flat-head screws in cabinet work, fixture mounting, and general fabrication tasks where a flush or below-surface fastener seat is required.

Key Features

• 5-piece set covering 1/4 inch to 1 inch head diameters
• 100-degree included angle for standard flat-head fastener compatibility
• Single-flute design for straightforward countersinking in a variety of materials
• 1/4-inch straight shank fits common drill chucks and quick-change holders
• High-speed steel construction for durability across repeated use
• Wooden storage block included to protect cutting edges and keep set organized

Compatibility

Designed as a general-purpose countersink set compatible with standard 1/4-inch straight-shank drill chucks and quick-change chuck systems commonly used with hand drills and drill presses.

Installation Notes

Countersinks should be installed by a machinist or skilled tradesperson familiar with rotary cutting tools. Secure the shank firmly in the drill chuck before operation, and ensure the workpiece is clamped or otherwise stabilized to prevent movement. Start at a low spindle speed and increase gradually to avoid chatter or oversized seats. Inspect cutting edges before each use and do not force a dull countersink, as this can cause tear-out or workpiece damage.