Kev lag luam Standards rau Fasteners

National Standards
1. Cov qauv hais txog qhov ntev ntawm cov khoom fastener: Cov no qhia cov khoom loj loj; rau cov khoom siv threaded, qhov no suav nrog qhov yooj yim xov qhov ntev, xov khiav- tawm, lub xub pwg nrug, xov nyem grooves, chamfers, thiab qhov kawg qhov ntev rau cov xov sab nraud.

2. Cov txheej txheem hais txog cov kev qhia tshwj xeeb rau fasteners: Cov khoom no feem ntau suav nrog cov khoom kam rau ua, cov khoom siv kho tshuab, cov khoom tsis xws luag, kev kho deg, thiab cov khoom kuaj, nrog rau lawv cov kev cai tshwj xeeb.

3. Cov txheej txheem hais txog kev lees txais kev kuaj xyuas, kos npe, thiab ntim khoom: Cov no qhia txog cov khoom sampling, Txais Cov Qib Zoo (AQL), ​​​​thiab sampling cov phiaj xwm rau lub Hoobkas lees txais kev soj ntsuam, nrog rau cov kev cai rau cov khoom cim thiab ntim khoom.

4. Cov txheej txheem hais txog cov txheej txheem tsim qauv rau cov qauv, fasteners, thiab screws: Cov no qhia ob qho tib si ua tiav thiab yooj yim tsim qauv rau cov khoom.

5. Cov qauv hais txog lwm yam ntawm fasteners: Xws li cov qauv rau fastener terminology thiab cov khoom hnyav specifications.