Drilling Stainless Steel With Carbide

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Drilling stainless steel with carbide.

This is a great option for drilling into harder steel as well as stainless steel grades. Start with a sharp drill and have it turning as slowly as your drill or drill press will allow. In solid carbide drills microcracks can form on the cutting edges which will eventually cause the drill to fail. Traditionally high speed steel hss tools have been used for drilling and reaming but carbide tipped tools are also used for specialised jobs or long production runs.

Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material. In high speed steel hss drills this heat will cause the tool to lose its hardness. Drilling stainless steel is not as difficult as you may thi. We usually get 300 400 holes from a cheap 4 dollar cobalt drill.

When stainless steel work hardens it becomes very hard and extremely difficult to drill. With carbide drills always check the manufacturers recomendation on what drilling cycle you should run. This article gives suggested feeds and speeds for drilling and reaming taken from the bssa stainless steel specialist course training note no9 machining stainless steels. In this video i will show you how to drill stainless steel with regular drill bits and hole saws.

When you machine stainless steel you are generating high temperatures explained scott turner marketing manager holemaking seco tools. The first peck is the drill diameter plus half then the drill diameter on all subsequent passes. Drill mild steel some spring steel some tool steel no drill hard plate anti drill plate 440c stainless steel pro good for hand drills and most drilling applications con has limits with hardened steel carbide tipped will drill almost any steel hard stainless or mild. Wkstool φ4mm micro solid carbide drill bits straight shank tialn coated metric for stainless steel alloy and hard steel ø4mm 25mm flute length 50mm full length for steel 4 4 out of 5 stars 22 12 00 12.

Carbide carb is the hardest and most brittle of the drill bit materials. It s used mostly for production drilling where a high quality tool holder and equipment is used. Choose from our selection of stainless steel cutting drill bits including over 5 800 products in a wide range of styles and sizes. We recently tried an inox drill in 304 stainless steel and we are getting close to 400holes but that drill is 30 dollars.

Drilling stainless steel is not as. Pro drills all steel con blunt tip requires extreme pressure.