MT/T 785-1998 Diamond composite core drill bit

Basic Information

Standard ID: MT/T 785-1998

Standard Name: Diamond composite core drill bit

Chinese Name: 金刚石复合片取心钻头

Standard category:Coal Industry Standard (MT)

state:in force

Date of Release1998-11-10

Date of Implementation:1999-04-01

standard classification number

Standard ICS number:Mining and mineral products>>Mining equipment>>73.100.99 Other mining equipment

Standard Classification Number:Mining>>Geological Exploration Equipment>>D81 Geological Exploration Equipment

associated standards

Publication information

publishing house:China Coal Industry Press

Publication date:1999-04-01

other information

drafter:Tang Shengli, Mou Panhua, Lu Wenjin

Drafting unit:Xi'an Branch of China Coal Research Institute

Focal point unit:Coal Industry Coal Mine Special Equipment Standardization Technical Committee

Proposing unit:Industry Management Department of State Administration of Coal Industry

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Introduction to standards:

This standard specifies the types and parameters, technical requirements, test methods, inspection rules, marking and packaging of diamond composite core drill bits (PDC). This standard applies to diamond composite core drill bits (hereinafter referred to as drill bits) for rotary drilling of holes in coalfield geology, underground gas extraction, water injection and drainage in coal mines. MT/T 785-1998 Diamond composite core drill bits MT/T785-1998 Standard download decompression password: www.bzxz.net