1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 3292 KS B ISO 3292:2013 2013 4 5 http:/www.kats.go.krKS B ISO 3292:2013 : ( ) ( ) (AMS) ( ) : (http:/www.standard.go.kr) ： ：2003 8 30 ：2013 4 5 2013-0126 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 3292:2013 i 1995 2 ISO 3292, Extra
2、-long parallel shank twist drills , . KS B ISO 3292:2013 Extra-long parallel shank twist drills 1 125 400 mm, 214 mm (extra-long) ( .) . 2 . . ( ) . KS B ISO 10899, 2 3 1 1 . 4 KS B ISO 10899 . 5 . a) b) c) , d(mm) d) , l(mm) d 10 mm, l 250 mm . KS B ISO 3292 10 250 KS B ISO 3292:2013 2 1 1 ： mm l 1
3、25 160 200 250 315 400 l1 d h8 80 100 150 200 250 300 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 2d2.65 2d4.75 2.65d7.5 3.35d14 3.75d14 4.75d14l1ld 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B ISO 3292:2013 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Extra-long parallel shank twist drills ICS 25.100.30
