
MT/T 785-1998 Diamond composite core drill bit
time:
2024-08-08 09:18:07
- MT/T 785-1998
- in force
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)
-
Date of Release:
1998-11-10 -
Date of Implementation:
1999-04-01
Standard ICS number:
Mining and mineral products>>Mining equipment>>73.100.99 Other mining equipmentChina Standard Classification Number:
Mining>>Geological Exploration Equipment>>D81 Geological Exploration Equipment
Drafter:
Tang Shengli, Mou Panhua, Lu WenjinDrafting Organization:
Xi'an Branch of China Coal Research InstituteFocal point Organization:
Coal Industry Coal Mine Special Equipment Standardization Technical CommitteeProposing Organization:
Industry Management Department of State Administration of Coal Industry

Skip to download
Summary:
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
- Recommended standards
- QB/T 3664-1999 Paper machine wire width series dimensions
- SJ/T 10294-1991 Test methods for scanning linearity for marine navigation radar indicator
- JB/T 6056-1992 Stamping workshop environmental protection guidelines
- GB/T 2520-2000 Cold rolled tinned steel sheet
- GB/T 8611-1988 Soybean for oil and fat industry
- GB 2926-1982 Leaders and run-out trailers for 35mm and 16mm release prints specification
- SY 4024-1993 General Rules for Quality Inspection and Assessment of Petroleum Construction Projects
- GB/T 4702.3-1984 Chemical analysis methods for chromium metal - Molybdenum blue photometric method for determination of phosphorus content
- GB/T 15072.10-1994 Chemical analysis methods for precious metals and their alloys - Determination of nickel content in gold alloys
- CB/T 3499-1993 Technical requirements for repair of marine diesel engine base
- CJJ/T 80-1998 Technical specification for base and subbase of solidified pavement
- JB/T 1752-1992 Valve structural elements External thread connection end dimensions
- GB/T 5480.4-2004 Test methods for mineral wool and its products Part 4: Average fiber diameter
- JB/T 4311.7-1991 Indirect resistance furnace SX series practical box type resistance furnace
- JB/T 9163.9-1999 Dimensions of gear shaping cutter sockets
Please remember: "bzxz.net" is the combination of the first letters of the Chinese pinyin of the four Chinese characters "standard download" and the international top-level domain name ".net". ©2024 Standard download websitewww.bzxz.net Mail:bzxznet@163.com