3mm x 10-Piece Cobalt HSS Drill Bit Set DIN338 In Plastic Stotage Case
Fully ground HSS with 5% Cobalt, ideal for drilling extra hard materials
Professional quality drill bits manufactured to German DIN338 specifications
Drill bits can be resharpened without affecting performance
M35 Cobalt (5%)
135 Degree with Split Point
High quality manufactured HSS M35 5% Cobalt drill bits, suitable for drilling mild steel, stainless steel, alloys, wood, plastics etc.
Supplied in plastic case
Total 10 drill bits
Please Note: Correct drill speeds and cutting lubricants (for metals) should be used for long life of bits.
Cobalt (HSCO) drill bits are much harder than HSS as it includes 5% Cobalt blended into the base material and therefore can be more brittle. Care must be taken when drilling, the drill must be held secure and square to the work piece
Gennuine Motamec product