Page 717 - Yamawa_European_Catalogue_YEU21

23. Symbol for Standard Threads

Intro

British *
SP
Thread symbol Kinds of thread Related Standard
UNS Unifi ed special series BS 1580
B.S.W. British Standard Whitworth coarse threads BS 84
B.S.F. British Standard fi ne threads BS 84
SL
BSP British Standard pipe thread (corresponding to R, Re, Rp of ISO) BS 21, 2779
B.A. B.A.-Screw threads BS 93
Acme General purpose, Acme screw threads BS 1104
Buttress Buttress threads BS 1657
PO
BSC Cycle threads BS 811
BSMO Microscope objective threads BS 3569
E Edison screw threads BS 5042
* We left out the symbols after ISO standard was adopted.
ST

German *
Thread symbol Kinds of thread Related Standard
ROLL
GL Glass containers thread DIN 168
S Buttress thread DIN 513,2781,20401
Rd Knuckle thread DIN 262,3182, 7273, 15403,20400
W Whitworth-gewinde DIN 168,477,6630,49301
KS,KT Screw siles for packages made of Plastics DIN 6063 CARBIDE
E Edison screw thread DIN 40400
Pg Steel conduit thread DIN 40430
Vg Automobil tire valve thread DIN 7756
Gf Thread for freezing pipes DIN 4930 LONG
Gg Threads for drill pipe DIN 4941,20314
HA Thread for bone screws and nuts DIN 58810
FG Bicycle threads DIN 79012
HAND
* We left out the symbols after ISO standard was adopted.
TAPS

EG (STI)

SPECIAL
THREADS,
GAUGES

THREAD
MILLS

DIES

CENTER
DRILLS

Technical
info

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