Каталог Iscar высокоточные развертки и метчики 2022 - страница 70

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Thread Standards

Cylindrical ThreadsTaper Pipe Threads
UNCUnified coarse thread seriesNPTTaper pipe threads
UNFUnified fine thread seriesNPTFTaper pipe threads (dryseal)
UNEFUnified extra-fine thread seriesNPTRTaper pipe threads for railway equipment
UNConstant pitch series - threads with constantPTF-SAE SHORTTaper pipe short threads (dryseal)-SAE
pitch of T.P.I. 4, 6, 8, 12, 16, 20, 28, 32PTF-SPLTaper pipe special threads (dryseal)-SAE
UNSSelected combinations - threads withSHORT
special dia. - pitch combinationsPTF-SPL EXTRAExtra short special threads (dryseal)-SAE
UNJUnified threads with constant pitch with radius onSHORT
minor diameter from 0.15011 pitch to 0.18042 pitchSPL-PTFSpecial taper pipe dryseal threads
UNJCUnified coarse thread with radius on minorNGTNational American taper pipe threads
diameter from 0.15011 pitch to 0.18042 pitchSGTSpecial taper pipe threads
UNJEFUnified extra-fine thread with radius on minor diameter from 0.15011 pitch to 0.18042 pitchAPIAmerican Petroleum Institute taper pipe threads
UNJFUnified fine threads with radius on minor
diameter from 0.15011 pitch to 0.18042 pitchTrapezoidal and Saw Tooth Threads
ACME-C ACMESelf-centering threads
Pipe Cylindrical ThreadsACME-G ACMEGenerical application
NPSCylindrical threads for pipeSTUB-ACMEACME Flat threads with
NPSCAmerican Standard for pipe couplingreduced thread depth
NPSFAmerican Standard for internal60ºSTUB-ACMEACME Flat threads with 60ºflank angle
threads on pipe, drysealN BUTTAmerican National Saw tooth threads
NPSHAmerican Standard for cylindrical threads for pipes, joints and nipples
NPSIAmerican Standard for internal cylindricalBritish Standard
threads on pipe (dryseal)BSWWhitworth British Standard coarse pitch
NPSLAmerican Standard for cylindricalBSFWhitworth British Standard fine pitch
threads on pipes for nutsWHITWhitworth Standard special pitch
NPSMAmerican Standard for cylindrical threads on pipes for mechanical jointsRBritish Stan taper pipe (dard external threading for dryseal) (already BSP-Tr)
NGOAmerican National pipe threads for gas exhaustRcBritish Standard internal threading
NGSAmerican National pipe threads for gastaper threadfor pipe (BSP-Tr)
RpBritish Stan for pipe (alredard cylindrical thread ady BSP.PI)
Taper Pipe Threads
BABritish Stanard Association threads
ANPTTaper pipe threads for Army, Navy and AirforceBSCBritish Standard threads for bicycles
FPTETifithddl
-aper ppe ne reas (rysea)CEIBritish Standard for bicycles