BOSCH Metal Drill bits 10 pieces 4MM

Jobber’s Length bit Twist drill bit made of alloyed high speed steel to DIN 338 cobalt content 5% Righthand cutting twist drill bit Type N 135° drill bit tip split point manufactured to DIN 1412 C diameter tolerance h 8 perfect for machine shop use Twist drill bit ground from solid metal with excellent surface quality manufactured to special factory standards Shank equal to drill bit diameter for Twocutter cylindrical two flutes Specifically made for drilling stainless steel Comes packaged in hard plastic casing.