kwb Drill Bits & Parts Metal twist drill bit set 610504 - KWB 421920, The kwb 421920 HSS Metal twist drill bit set is a 19-piece collection crafted for precision in machining and drilling applications. Manufactured by kwb, this set features durable steel drill bits suitable for working with sheet metal. Ideal for both professional and DIY use, these bits conform to DIN 338 standards, ensuring reliability and performance. kwb 421920 HSS Metal Twist Drill Set 19-piece DIN 338 steam-tempered
