Precision Twist Drill 5995635 C29R40 29-Piece Screw Machine Length HSS Drill Bit Set

The Precision Twist Drill 5995635 is a professional-grade, 29-piece screw machine (stub) length drill bit set engineered for high-precision hole-making in industrial, manufacturing, and machining environments. Part of the Series R40, this set covers a full fractional range from 1/16 in. to 1/2 in. in 1/64 in. increments, making it a versatile solution for a wide range of drilling applications.

Key Features:

• 29-Piece Fractional Set: Ranges from 1/16 in. minimum to 1/2 in. maximum drill bit size
• Screw Machine (Stub) Length: Shorter flute length provides increased rigidity and reduced deflection for improved hole accuracy
• 118° Standard Point Angle: Optimized for general-purpose drilling in a variety of materials
• High-Speed Steel (HSS) Construction: Delivers excellent wear resistance and durability in demanding applications
• Bright (Uncoated) Finish: Allows easy visual inspection of the cutting edge and suits a broad range of workpiece materials
• Straight Shank: Compatible with standard drill chucks and CNC machine tool holders
• Right-Hand Cut: Standard cutting direction for conventional drilling operations
• 2.5XD Cutting Depth: Stub flute length rated for cutting depths up to 2.5 times the drill diameter

Precision Twist Drill is a brand of Dormer Pramet, a globally recognized cutting tool manufacturer with decades of experience supplying precision drilling solutions to aerospace, automotive, and general machining industries. The Series R40 screw machine drill set is an ideal choice for shop floors and toolrooms requiring a dependable, full-range fractional set with consistent point geometry and reliable performance.