EX11 M4x50 masinakeermepuur

Spiral fuse tap, model C, threading chamfer length 2-3xP, ISO metric thread M4, 0.50mm pitch, 6H tolerance class, measurements according to standard DIN 374, 2.8mm shank, 2.1mm square drive, powder metallurgical HSS-E, steam oxide coating, 45° helix angle, 2.5xD for deep blind hole threads, for universal use