Sealey 5pc Left Hand Spiral Drill Bit Set - AK8189

The drill bits are manufactured from 4121 HSS (High-Speed Steel).

The set includes drill bit sizes: 3.2mm, 4.8mm, 6.4mm, 8mm, and 8.7mm.

Left-hand drill bits are designed to rotate in reverse, making them ideal for removing broken studs, screws, and other fixings.

Store the drill bits in the provided display case to protect them and keep them organized.

These drill bits are effective on various types of fasteners, but the success depends on the condition of the fastener and the technique used.

Ensure the bit is centered, use a center punch for a starting point and use more pressure.

Try using penetrating oil before drilling. If the fastener remains stuck, you might need to use an extractor tool.

Ensure the drill bit is properly centered. Use a center punch to create a starting point. Apply more pressure while drilling.

Use lower speeds and avoid excessive pressure. Make sure you are using the correct bit size.

Try using penetrating oil to help loosen the fastener. If it still does not extract, consider using an extractor tool.