1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 1222 KS A ISO 1222:2011 2011 12 26 http:/www.kats.go.krKS A ISO 1222:2011 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2007 11 30 :2011 12 26 2011-0624 : : ( 02-509-7278) (http:/www.kats.go.kr). 10 5 , . KS A ISO 1222:2011 i ii 1 1 2 1 3 , , .1 3.1
2、 .1 3.2 .2 3.3 .3 4 (bearing face)5 1 4 2 5 1 1 2 .2 3 A .2 4 B .3 5 C .3 6 .4 KS A ISO 1222:2011 ii 2010 4 ISO 1222, Photography Tripod connections , . KS A ISO 1222:2011 Photography Tripod connections 1 . 2 . . ( ) . ISO 68 2: 1998, ISO general-purpose( ) screw threads( ) Basic profilePart 2: Inch
3、 screw threads 3 , , 3.1 1 . : mm a) b) D (nut) d (bolt) 1 KS A ISO 1222:2011 2 3.2 , 2, 3, 4 5 . : mm 14 mm . 2 : mm 1 . 2 14 mm . 3 A KS A ISO 1222:2011 3 : mm 1 . 2 14 mm . 4 B : mm 1 . 2 14 mm . 5 C 3.3 6, 1, 2 . ISO 68 2: 1998 . KS A ISO 1222:2011 4 mm4.25nP = in1nP = H 0.866 03 P PH 27541.085=
4、 1 2 H (ISO 68 2: 1998 1 ) 1 2 . 6 1 UNC NOD in 25.4 mm(1 in) n P mm D mm D2mm D1mm 6.350 5.525 4.975 (ES) 0.295 0.292 (EI) 0.110 0.110 1/4 20 1.270 0.185 0.292 9.525 8.494 7.806 (ES) 0.366 0.357 (EI) 0.150 0.150 3/8 16 1.588 0.216 0.357 USC 1A 1B ( D D2 ). KS A ISO 1222:2011 5 2 UNC NOD in 25.4 mm(
5、1 in) n P mm d mm d2mm d1mm 6.350 5.525 4.975 (es) 0.028 0.028 0.212 (ei) 0.338 0.170 1/4 20 1.270 0.310 0.142 9.525 8.494 7.806 (es) 0.033 0.033 0.262 (ei) 0.393 0.199 3/8 16 1.588 0.360 0.166 USC 1A 1B ( d d2 ). 4 (bearing face) , , . . , 12 mm(1/4 ) 20 mm(3/8 ) , . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS A ISO 1222:2011KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS PhotographyTripod connectionsICS 37.040.10