1、AISI 4145H -Heat treated steel dedicated for Petruleum drilling stools
2、Compact surface coating
Super toughness and wear-resistance
Good erosion-resistance
3、Hard metal nozzle with carbide liner，can effectively protect the bit body and nozzles from internal erosion
4、The outside is a steel
inside is a box made of plastic
which can protect the PDC bit well
avoid damaging the PDC bit during transportation
Please contact：
TEL：8618232186601 ；8617340754111
whatsapp:8618232186601
8618031733007
E-mail：great25@zkdrilling.com
great03@pdcbit.net
