MT/T 786-1998 Diamond composite non-coring drill bits

Basic Information

Standard ID: MT/T 786-1998

Standard Name: Diamond composite non-coring drill bits

Chinese Name: 金刚石复合片不取心钻头

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 Zhaohua, 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

Publishing department:State Coal Industry Bureau

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Introduction to standards:

This standard specifies the types and parameters, technical requirements, test methods, inspection rules, packaging and marking of diamond composite (PDC) non-coring drill bits. This standard applies to diamond composite non-coring 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 786-1998 Diamond composite non-coring drill bits MT/T786-1998 Standard download decompression password: www.bzxz.net