Drilling Stainless Steel With Carbide

For extra long drills reduce speeds and feeds by 30 50 316l ss.

Drilling stainless steel with carbide.

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. 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. It s used mostly for production drilling where a high quality tool holder and equipment is used.

With carbide drills always check the manufacturers recomendation on what drilling cycle you should run. Drilling stainless steel is not as. Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material. Choose from our selection of stainless steel cutting drill bits including over 5 800 products in a wide range of styles and sizes.

When you machine stainless steel you are generating high temperatures explained scott turner marketing manager holemaking seco tools. When stainless steel work hardens it becomes very hard and extremely difficult to drill. 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. The first peck is the drill diameter plus half then the drill diameter on all subsequent passes.

Drilling stainless steel is not as difficult as you may thi. Start with a sharp drill and have it turning as slowly as your drill or drill press will allow. 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. In stock and ready to ship.

In high speed steel hss drills this heat will cause the tool to lose its hardness. Pro drills all steel con blunt tip requires extreme pressure. Carbide carb is the hardest and most brittle of the drill bit materials. Here is the right way to drill stainless steel.

This is a great option for drilling into harder steel as well as stainless steel grades. We usually get 300 400 holes from a cheap 4 dollar cobalt drill.