![]() Fully ground HSS with 5 Cobalt makes these ideal for drilling extra hard. Just glad I tried them out first before starting on an expensive piece of stainless. Sealey AK4701 HSS Cobalt Split Point Fully Ground Drill Bit Set 19pc Metric. Sealey AK4701 Cobalt Drill Bit Set 19pc Metric (1) Get it tomorrow, 13th February. Bosch 2607010538 135mm HSS-G-Drill Bits BEST DIY PICK. Find many great new & used options and get the best deals for sealey ak-4701 cobalt drill bit set 19-pc metric at the best online prices at eBay Free shipping for many products. Sealey AK4701 19 Bit Cobalt Drill Bits PROFESSIONAL PICK. DeWalt DT7920B Extreme 13 piece Bit Set RUNNER UP. ![]() Bosch 25 piece HSS-R-Drill Set BEST PICK. .uk: Cobalt Drill Bit 19pc HSS Cobalt Fully Ground Drill Bit Set AK4701 Sealey WebHand Tools / Saws Blades etc Headstock Sleeves and Reducers. Sealey AK4701 HSS Cobalt Fully Ground Drill Bit Set 19pc Fully ground HSS with 5,37 Cobalt makes these ideal for drilling extra hard materials.,135 Split. 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. Sealey AK4725 Drill Bit Set 25pc Titanium Coated Metric. The best drill bits for metal that we have included in our review are listed below. 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. Split tip enables bits to bite workpiece quickly reducing the need for. Just glad I tried them out first before starting on an expensive piece of stainless.Bought this set primarily for drilling Stainless Steel but thought I'd try them out on something easier first. High speed steel with 5 Cobalt makes these ideal for drilling extra hard materials. 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. This item is in the category Home & GardenTools & Workshop EquipmentHand ToolsOther Hand Tools. ![]() The item HSS Cobalt Split Point Fully Ground Drill Bit Set 19pc Metric SEALEY AK4701 by S is in sale since Monday, July 19, 2021. 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. Drills can be re-sharpened without affecting their performance. Bought this set primarily for drilling Stainless Steel but thought I'd try them out on something easier first.
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