Deli M35 High Cobalt Industrial Grade 3.2mm Twist Drill Bits for Concrete Metal Stainless Steel, 10 Pieces Box

Effective chip removal prevents clogging and overheating, reducing drill bit burning and breakage

Strengthened wear and heat resistance for prolonged tool life

Hand drill power ≥ 750W; cordless drill voltage ≥ 24V

Select drill bit size according to machine and hole diameter requirements

Maintain drill bit perpendicular (90°) to stainless steel surface during operation

For hole diameters > 6mm, pre-drill with 3.2-4mm bit before enlarging

Secure drill bit firmly in chuck; use shortest possible drill bit length

Ensure stable base and apply even pressure during drilling

Avoid using low-quality drill bits that cause poor chip removal, low drilling efficiency, and inaccurate hole diameters

Proper technique and equipment compatibility are essential for best results