Drill bit GEKO G37356 spiral wood auger 10 x 230 mm (25/100)

Spiral wood auger drill bit GEKO G37356 10 x 230 mm is designed to produce clean, precise holes in timber and softwood. Its 10 mm diameter and 230 mm overall length make it suitable for through-holes and deeper drilling tasks in carpentry and joinery. The spiral flute geometry removes chips efficiently while the auger tip engages material to start drilling with minimal wandering. This version is supplied in package quantities indicated as 25/100 and fits hand braces as well as power drills with compatible chucks.

Advantages

The spiral flute design ensures fast chip extraction and reduces clogging, resulting in smoother drilling and cleaner hole walls. The auger-style tip provides positive bite and accurate centring when starting holes without a pilot mark. The long 230 mm length allows drilling through thicker boards or creating deep countersinks in a single pass. Constructed for woodworking applications, the bit balances rigidity and cutting geometry to minimise tear-out on soft timber.

Suitable for

• Drilling through-holes in softwood and common construction timber
• Deeper boring tasks in furniture making and joinery
• Use with hand braces and compatible electric drills
• Creating pilot holes for dowels or through-bolts

Key specifications

• Diameter: 10 mm
• Overall length: 230 mm
• Type: spiral wood auger / twist auger bit
• Material: hardened steel with cutting ground geometry (woodworking grade)
• Tip: auger-style threaded/lead tip for self-starting
• Shank compatibility: suitable for standard drill chucks and hand braces

How to use

Mark the drilling point and secure the workpiece to prevent movement. If precise positioning is required, make a small pilot indentation before inserting the bit. Fit the auger bit into a compatible chuck or hand brace, ensuring it is tightened securely. Apply steady pressure and run the drill at moderate speed for softwood; let the auger tip pull the bit into the material while the spiral flutes evacuate chips. Withdraw the bit periodically for exceptionally deep holes to clear debris and avoid overheating.

Usage recommendations

Use appropriate personal protective equipment, clamp workpieces firmly, and select drill speeds suitable for timber to prevent burning or splintering. For the best hole finish, cut with a sharp bit and consider backing the exit side with a sacrificial board to reduce tear-out when drilling through thin panels.