... in this line. 1.The Material for Hss Drill Bits have Hss4241,Hss4341,Hss9341,Hss6542,Hss M35 and Hss ... M42.2.The Standard of Hss Drill Bits have Din1897,Din338,Din3402.The Degree of the Hss ... and 135.3.The finished of Hss Drill Bits have Black Finished,Bright Finished,Titanium.4.The Packing ... Drill Bits have Plastic box and Skin card.5.We can produce the Hss Drill bits under Customer's brand. Hss ...