Drill bit GEKO spiral auger for wood 20 x 460 mm (pack 25/50)

Spiral auger drill bit GEKO G37416 20 x 460 mm is a twist-style wood bit designed for efficient deep drilling in timber and large wooden elements. The long 460 mm length and 20 mm diameter allow through-holes and deep boreholes while the spiral flute geometry provides rapid chip evacuation. Supplied in trade-oriented packaging marked 25/50, this auger bit is suitable for use with manual braces and compatible power drills that accept long shanks and standard chucks.

Advantages

The spiral flute design ensures continuous removal of wood chips, reducing clogging and improving drilling speed. Its slender, long-length profile enables drilling of deep holes without repeated repositioning. The bit's tip and flute geometry give stable centering and accurate tracking during drilling in soft and hardwoods. Packaging in bulk quantities supports professional and trade applications where multiple bits are required.

Suitable for

• Drilling deep through-holes in timber and large wooden components
• Use with manual braces and hand-operated augers
• Use with compatible power drills that accept long shanks
• Carpentry, joinery and structural timber work
• Bulk supply for workshops and construction sites

Key specifications

• Cutting diameter: 20 mm
• Overall length: 460 mm
• Tip and flute: spiral/auger geometry for effective chip removal
• Intended material: timber and wooden elements (softwood and hardwood)
• Compatibility: manual brace or power drills with suitable chuck and clearance for long bits
• Packaging option: trade/bulk pack marked 25/50

How to use

Secure the auger bit in a compatible chuck or manual brace, ensuring sufficient shank engagement. Mark the drilling point and apply steady axial pressure while rotating at a moderate speed appropriate for the wood type. Allow the spiral flutes to evacuate chips; withdraw periodically for chip clearance when drilling very deep holes. Maintain straight alignment to avoid binding and to achieve a clean, accurately located hole.

Usage recommendations

Use appropriate personal protective equipment such as eye protection and gloves. Match drill speed to the wood species—lower speeds for hardwoods, moderate speeds for softwoods—and check that the selected chuck or brace accommodates the bit length. For repeated deep drilling, clear chips regularly to prevent excessive friction and overheating.