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QUICK HELIX DRILLS HSS Metric Drill Quick Helix Inch Drills Quick Helix HSS Drill Drills Quick Helix Drills Metric 1mm to 16mm HSS Drill Quick Helix Inch 3/64 to 1/2 HSS Drills DRILLS QUICK HELIX HSS Straight Shank Drills - All Right-hand - Excellent quality Quick Helix Drills in metric sizes & also shows nearest equivalent Inch sizes - British-made 1st quality Used for efficient drilling of aluminium, its alloys, copper & simialar materials producing long, stringy swarf. Effective for deep holes in free-machining materials, as excellent chip-clearing - Made to BS328 / DIN338RN
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