BH GSO ISO 3438:2016
ISO 3438:2013
Bahraini Standard
Current Edition
·
Approved on
10 February 2016
Subland twist drills for holes prior to tapping screw threads
BH GSO ISO 3438:2016 Files
English
5 Pages
Current Edition
Reference Language
BHD
19.93
BH GSO ISO 3438:2016 Scope
This International Standard specifies the dimensions of subland twist drills with Morse taper shanks and cylindrical shanks for holes prior to tapping screw threads.
The drills are designed to produce holes prior to tapping metric threads (coarse pitch series) over a selected range of:
— M8 to M30 for subland twist drills with Morse taper shanks;
— M3 to M14 for subland twist drills with cylindrical shanks.
This International Standard complements ISO 2306.
The relationship between the symbols of this International Standard and those according to the ISO 13399 series is given for information in Annex A.
Best Sellers From Mechanical Sector
GSO 42:2015
Gulf Technical Regulation
MOTOR VEHICLES - GENERAL REQUIREMENTS
BH GSO 42:2015
GSO 42:2015
Bahraini Technical Regulation
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 159:1993
Gulf Technical Regulation
MOTOR VEHICLES –
DIMENSIONS AND WEIGHTS
BH GSO 159:2015
GSO 159:1993
Bahraini Technical Regulation
MOTOR VEHICLES –
DIMENSIONS AND WEIGHTS
Recently Published from Mechanical Sector
GSO ISO 22705-3:2026
ISO 22705-3:2024
Gulf Standard
Springs — Measurement and test parameters — Part 3: Cold formed cylindrical helical torsion springs
GSO ISO 4254-9:2026
ISO 4254-9:2018
Gulf Standard
Agricultural machinery — Safety — Part 9: Seed drills
GSO ISO 6531:2026
ISO 6531:2024
Gulf Standard
Machinery for forestry — Portable chain-saws — Vocabulary
GSO ISO 14732:2026
ISO 14732:2025
Gulf Standard
Welding personnel — Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials