Hertel 89321889 Screw Machine Drill Bit Size 5 Hss

Product Description

The HERTEL 89321889 is a screw machine length drill bit designed for general-purpose drilling in metal, wood, and plastic. It features a 118-degree standard point angle, a bright uncoated high-speed steel (HSS) construction, and a right-hand cutting direction. The shorter-than-jobber body length improves rigidity and reduces deflection in close-tolerance drilling applications. With an overall length of 2.375 inches and a flute length of 1.25 inches, this bit fits standard drill chucks and screw machine setups. Machinists, maintenance technicians, and trade professionals use this bit for repetitive production drilling and general hole-making tasks where a compact, stiff geometry is needed.

This bit is suited for use in drill presses, CNC screw machines, and handheld power drills where a shorter overall length reduces runout and improves hole accuracy. The wire gauge size 5 designation corresponds to a decimal diameter of 0.2055 inches, placing it in the 0.2000 to 0.2500 inch size range. It is a common choice for pilot holes, through-holes, and clearance holes in light to medium fabrication and maintenance work.

Key Features

• Wire size 5 with a decimal diameter of 0.2055 inches for precision hole sizing
• 118-degree standard point angle for general-purpose drilling across common materials
• High-speed steel construction provides durability in moderate-heat cutting conditions
• Bright uncoated finish allows for easy visual wear inspection during use
• Screw machine length body improves rigidity and reduces bit deflection
• Right-hand cut, regular spiral flute design for efficient chip evacuation

Compatibility

Designed as a general-purpose replacement or production-use drill bit compatible with standard straight-shank drill chucks used in drill presses, screw machines, and handheld power drills accepting straight shank bits in the 0.2000 to 0.2500 inch range.

Installation Notes

Installation and use of this drill bit should be performed by a qualified machinist or maintenance technician familiar with rotating cutting tools. Secure the straight shank firmly in the chuck before operation and verify the spindle speed is appropriate for the workpiece material and bit diameter. Always wear appropriate eye protection and ensure the workpiece is properly fixtured before drilling. Inspect the cutting edges for wear before each use and replace the bit if chipping or dullness is observed.