Mtsooning Twist Drill Bits,10PCS 0.8mm HSS Drill Bits with Straight Shank Replacement for Hard Metal, Hardened Stainless Steel and Cast Iron Electrical Drilling Tool

GREAT MATERIAL: The 0.8mm twist drill bits are made of high speed steel (HSS-4341) which can extends tool life, durability, heat resistance and wear resistance compared to conventional drill bits., NICE DESIGN: Mtsooning steel twist jobber bits have straight shank design which is more suitable for many electric drills and can increas cutting speed and self-centering, ,prevent walking. Besides the sharp and twisted flute will make the drilling be more easy to drill and effortless., WIDE APPLICATION: Twist drill bits with shank design are successful in small object processing. It is suitable for drilling holes as copper, galvanized pipe, aluminum alloy, wood and other Softer Metals., PACKAGE INCLUDED: You will recieve 10PCS HSS metal twist bits in samll bottle which is very convenient for storage after using it., THE BEST AFTER-SALES GUARNTEE SERVICE: When you receive jobber drill bits, the size is not suitable or too small, or the product is damaged; please contact us in time, we will give you a refund or resend. We are here for support and advice.