CoroDrill® 880
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Boost your production economy Indexable drills are truly cost efficient, and with the reinforced CoroDrill® 880 you can really boost your production economy. The enhanced drill body is up to 30% stiffer than its predecessor for applications of four to five times the drill diameter. This gives you a more reliable drilling experience and a much better hole quality. Combine this experience with the new grade chain for steel and cast iron for improved insert tool life. Two of the insert grades are designed with Inveio™ coating for better wear resistance, while the third, optimized for tough...

Avoiding undersized holes A customer manufacturing slewing rings for the wind power industry tried the new and improved tool body for CoroDrill 880, five times the drill diameter. With the old tool body, drilling in 42CrMo4, the hole size decreased over time providing an undersized hole after a period of use. With the new, stronger tool body, CoroDrill 880 produces correct sized holes for a much longer period of use. This particular customer had a tool life increase of 975%! Did you know… ... that with the new GC4344 at hand, you now have a complete grade chain available for steel and cast...

Automotive CoroDrill 880 provides a smooth drilling process for components like wheel suspension arms, flanges and many more. A customer drilling through holes in a wheel suspension arm replaced the existing insert grade to the new GC4324 with Inveio coating. Thereby, tool life increased by more than 200%. Oil and gas Both large and small diameter holes are usually required in the oil and gas industry. CoroDrill 880 is available for 65.00–84.00 mm (2.559–3.307 inch) holes, with rigid cartridge design and fast deliveries worldwide. Power generation A power generation customer producing...

Pump and valve A customer producing valve bodies in various sizes exchanged his existing solution to GC4324. Thanks to the switch, the customer increased penetration rate by 30% and the number of produced components by more than 200%. Mechanical engineering Through holes are common features for a number of components. A customer decided to use our first choice GC4334 instead of existing GC4024 for his internal gear ring. With the same cutting data, the customer perceived a tool life increase of 30%.

Bringing you the best combination of process stability and productivity CoroDrill 880 provides high performance in most materials. With a reinforced drill body and new insert grades with a central insert featuring Step Technology™, your machining is characterised by a smooth step-by-step entrance into the workpiece, excellent cutting force balance and efficient chip evacuation. CoroDrill 880 is also available for larger holes, equipped with replaceable rigid cartridges for high reliability, flexibility and process security. Four true cutting edges and long insert tool life Wiper technology,...

Choosing the right insert grade for ISO P and ISO K Complete grade chain for all materials The grade chain for CoroDrill 880 is designed to suit a large variety of materials and applications. This page will guide you to make the best choice for our new insert grades for steel and cast iron. Find the complete assortment on the web: www.sandvik.coromant.com/corodrill880. Grade GC4334 is the first choice in applications with good to average conditions Inveio technology provides a high level of wear resistance Long tool life and reliable wear that is easy to follow, in order to detect in...

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