Cart (0)
  • No items in cart.
Total
$0
There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.
Home
Content
Tour
eLibrary
Store
Search book title
Filters:
FORMAT
BOOKS
All Books
PACKAGES
All Packages
EDITION
to
PUBLISHER
AABC
(1)
AAMI
(337)
ACI
(589)
AISC
(54)
ASA
(234)
ASCE
(996)
ASHRAE
(657)
ASME
(2161)
ASSE
(117)
ASTM
(94624)
AWC
(54)
AWWA
(568)
BHMA
(124)
BICSI
(33)
BIFMA
(21)
BOMA
(20)
BSI
(94534)
CHD
(3)
CRSI
(17)
IAHSS
(1)
IAPMO
(374)
ICC
(315)
IEEE
(6731)
IES
(241)
ISEA
(16)
Joint Commission
(184)
Joint Commission Int.
(1)
NETA
(6)
NFPA
(1646)
TCNA
(17)
TMS
(19)
USGBC
(28)
WILEY
(4)
 
AR
(6)
AZ
(7)
CA
(115)
CT
(3)
FL
(57)
ID
(5)
IL
(5)
IN
(1)
KY
(1)
LA
(2)
MI
(25)
MN
(27)
NC
(27)
NJ
(13)
NY
(61)
OH
(24)
OR
(22)
PA
(7)
RI
(8)
SC
(20)
SD
(1)
TX
(3)
VA
(50)
VT
(6)
WA
(31)
CONTENT TYPE
 Act
 Admin Code
 Announcements
 Bill
 Book
 CADD File
 CAN
 CEU
 Charter
 Checklist
 City Code
 Code
 Commentary
 Comprehensive Plan
 Conference Paper
 County Code
 Course
 DHS Documents
 Document
 Errata
 Executive Regulation
 Federal Guideline
 Firm Content
 Guideline
 Handbook
 Interpretation
 Journal
 Land Use and Development
 Law
 Legislative Rule
 Local Amendment
 Local Code
 Local Document
 Local Regulation
 Local Standards
 Manual
 Model Code
 Model Standard
 Notice
 Ordinance
 Other
 Paperback
 PASS
 Periodicals
 PIN
 Plan
 Policy
 Product
 Product - Data Sheet
 Program
 Provisions
 Requirements
 Revisions
 Rules & Regulations
 Standards
 State Amendment
 State Code
 State Manual
 State Plan
 State Standards
 Statute
 Study Guide
 Supplement
 Sustainability
 Technical Bulletin
 All
  • BSI
    BS 939:2007 Engineers\' squares (including cylindrical and block squares). Specification
    Edition: 2007
    $442.60
    / user per year

Description of BS 939:2007 2007

This British Standard specifies requirements for engineers’ try squares (excluding adjustable squares), cylindrical squares and block squares of solid or open form.

Section 1 specifies general requirements applicable to all types of square.

Section 2 specifies requirements for engineers’ try squares in three grades of accuracy, AA, A and B, with inner lengths of blade from 50 mm up to and including 1 000 mm.

Section 3 specifies requirements for cylindrical squares in accuracy grade AA in sizes from 75 mm up to and including 750 mm.

Section 4 specifies requirements for solid form block squares in accuracy grades AA and A in sizes from 50 mm × 40 mm up to and including 1 000 mm × 1 000 mm.

Section 5 specifies requirements for open form block squares in accuracy grades A and B in sizes from 150 mm × 100 mm up to and including 600 mm × 400 mm.

NOTE While the standard provides for squares in various grades of accuracy, it should be noted that their accuracy in use is dependent upon the flatness of the surfaces on which they are used.



Standard NumberBS 939:2007
TitleEngineers' squares (including cylindrical and block squares). Specification
StatusConfirmed
Publication Date2007-10-31
ReplacesBS 939:1977
DescriptorsSquares (instruments), Test equipment, Steels, Blocks, Dimensions, Dimensional measurement, Angular measurement, Flatness (surface), Hardness, Dimensional tolerances, Design, Accuracy, Designations, Cylindrical shape, Smoothness (surface), Roughness (surface), Marking
ICS17.040.30 Measuring instruments
CommitteeMTE/1
ISBN978 0 580 58628 6
PublisherBSI
Pages34

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
GROUPS
X