Item |
Typical Configuration |
|---|---|
Standard |
DIN338 jobber-length twist drills (straight shank) |
Diameter range |
According to actual demand, e.g. core metric sizes used in general steel drilling |
Substrate material |
HSS-M35 cobalt high speed steel |
Surface treatment |
Steam-tempered Black & Gold oxide layer |
Target materials |
Carbon steels, alloy steels, structural steels and some stainless steels |
Typical machines |
Vertical machining centers, drill-tap centers, radial drills, lathes with driven tools |
Internal coding tip |
“Diameter + Standard + Material + Finish” (e.g. D10-DIN338-M35-B&G) |
Core applications |
Steel structure drilling, general machining, energy and heavy-equipment maintenance |
Item |
Typical Configuration |
|---|---|
Standard |
DIN338 jobber-length twist drills (straight shank) |
Diameter range |
According to actual demand, e.g. core metric sizes used in general steel drilling |
Substrate material |
HSS-M35 cobalt high speed steel |
Surface treatment |
Steam-tempered Black & Gold oxide layer |
Target materials |
Carbon steels, alloy steels, structural steels and some stainless steels |
Typical machines |
Vertical machining centers, drill-tap centers, radial drills, lathes with driven tools |
Internal coding tip |
“Diameter + Standard + Material + Finish” (e.g. D10-DIN338-M35-B&G) |
Core applications |
Steel structure drilling, general machining, energy and heavy-equipment maintenance |