Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand.
Entire CNC processing procedure ensure the quality consistency and reliable.
Military grade requirements of heat-treatment guarantee durability, Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
Designed for maximum performance and hole cleaning ability and high penetration rate.
Our bits are interchangeable with COP32 34 44 54 64 84, DHD3.5,DHD3.5HD, DHD 340A , DHD350R, DHD 360, Mission60, DHD380 QL40, QL50 , QL60, QL80,SD10,NUMA100, NUMA120,ect.