![]() Just glad I tried them out first before starting on an expensive piece of stainless. I suppose at my age I should have known better than to purchase a set of Cobalt drills for £25 when well-known brands were going for twice the price. The case may be metal but here is gaping hole in the top (so you can see there are drills inside?) which allows the smaller drills to come out unless a great deal of care is taken during transport. So I can only conclude that these are very poor quality or there is a manufacturing fault. Yes, I may have bent one or two but never snapped any but the smallest diameters. I have never in my life snapped drills of this size (I've been using drills for more than 40 years). To my astonishment, both drills snapped where the plain shank meets the fluting. I was using a DeWalt cordless drill and controlling the speed and feed carefully. Tried 5.5 mm and 6 mm diameters to enlarge a pilot hole through a piece of bronze only 12 mm thick. Do not buy.Antigua and Barbuda, Aruba, Australia, Austria, Bahamas, Bahrain, Bangladesh, Barbados, Belgium, Belize, Bermuda, Bolivia, Brazil, Brunei Darussalam, Bulgaria, Cambodia, Canada, Cayman Islands, Chile, China, Colombia, Costa Rica, Cyprus, Czech Republic, Denmark, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Estonia, Finland, France, French Guiana, Germany, Gibraltar, Greece, Grenada, Guadeloupe, Guatemala, Guernsey, Honduras, Hong Kong, Hungary, Iceland, Indonesia, Ireland, Israel, Italy, Jamaica, Japan, Jersey, Jordan, Kuwait, Latvia, Liechtenstein, Lithuania, Luxembourg, Macau, Malaysia, Maldives, Malta, Martinique, Mexico, Monaco, Montserrat, Netherlands, New Zealand, Nicaragua, Norway, Oman, Pakistan, Panama, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Republic of Croatia, Reunion, Romania, Saint Kitts-Nevis, Saint Lucia, Saudi Arabia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Thailand, Trinidad and Tobago, Turks and Caicos Islands, United Arab Emirates, United Kingdom, United States, Vietnamīought this set primarily for drilling Stainless Steel but thought I'd try them out on something easier first. (11) 11 product ratings - Dormer A002 HSS-TiN Jobber Drill Bit Metric TIN 1mm -14mm SPECIAL. ![]() Irwin 10502826 4X Blue Groove Flat Bit Set 6 piece. Sealey AK4701 HSS Cobalt Split Point Fully Ground Drill Bit Set 19pc Metric. ![]() Just glad I tried them out first before starting on an expensive piece of stainless.Ī waste of money. Bosch Professional 103 Piece Mixed Drill Screwdriver Bit Set Wood Masonry Metal. The case may be metal but here is gaping hole in the top (so you can see there are drills inside?) which allows the smaller drills to come out unle ss a great deal of care is taken during transport. Drills can be resharpened without affecting their performance. 135° Split point tip enables bits to bite workpiece quickly, reducing the need for centre mark. Fully ground HSS with 5 Cobalt makes these ideal for drilling extra hard materials. Yes, I may have bent one or two but never snapped any but the smallest diameters. Sealey AK4701 HSS Cobalt Split Point Fully Ground Drill Bit Set 19pc Metric. ![]() Bought this set primarily for drilling Stainless Steel but thought I'd try them out on something easier first.
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