Common Bit Auger 12x170mm problems include tip dullness, shaft bending, excessive wear, and misalignment during drilling. Always check for surface damage, uneven threads, or wobble before purchase, and replace when visible wear compromises performance or safety.

Recognising early symptoms helps you avoid poor-quality drilling and costly downtime. Watch for:

• Dull or blunted tips: Drilling requires extra force or produces ragged holes.
• Shaft wobble: Noticeable vibration or off-centre holes during use.
• Surface cracks: Even fine hairline fractures can signal metal fatigue.
• Noisy or jerky drilling: Increased noise typically means misalignment or damaged threads.

Address these issues promptly to maintain safety and precision, especially in demanding workshop environments.

The most common causes of Bit Auger 12x170mm damage in South African workshops and field operations include:

• Improper application: Using the wrong auger type or forcing through dense or reinforced material accelerates wear.
• Overloading: Applying too much torque or using inappropriate drill settings leads to bends or breakages.
• Corrosive environments: Exposure to moisture, chemicals, or improper storage promotes rust and surface pitting.
• Frequent re-sharpening: Each sharpening reduces metal volume, eventually creating weak points or poor tip profiles.

Before buying a used Bit Auger 12x170mm, perform these inspections:

1. Visual tip assessment: Ensure the cutting edges remain sharp and symmetric.
2. Shaft straightness check: Roll on a flat surface and observe any lift or wobble; bends may compromise function.
3. Thread health review: Run a finger gently along the thread for chips or burrs – even minor defects reduce precision.
4. Shank and socket fit: Verify that the shank is correctly sized and undamaged.
5. Request clarity on the bit’s usage history from the Trade Partner.

See full details and request unavailable stock via our Request a Part form.

If you find any of the following, replacement is typically safer than repair:

• Multiple or deep cracks in the shaft or tip.
• Excessive metal loss from repeated sharpening.
• Noticeable bends or permanent deformation after attempted straightening.
• Deep pitting, rust spots, or thread stripping.

Better condition bits are found directly at Brits Bros Parts. If you have surplus stock, consider our Sell Used Parts portal for resale options.

Nationwide delivery available across South Africa with every Bit Auger 12x170mm order. For details on returns and guarantees, review our Refund & Returns policy.