No 7 industrial ware & building materials opp hostel k Abuja by pass mile 3 port Harcourt city
UST AROUND MILE 3 PORT HARCOURT CITY
Material: HSS-Co (High-Speed Steel with Cobalt) (M35 grade), making them harder and more heat-resistant than standard HSS.These bits feature a specialized blend of steel infused with 5% to 8% cobalt (typically graded as M35 or M42)