1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 3503 KS B 3503： 2012(MOD ISO 4205： 1991 MOD ISO 4206： 1991) 2012 11 1 http:/www.kats.go.krKS B 3503:2012 : ( ) ( ) (AMS) ( ) : (http:/www.standard.go.kr) ： ：1979 12 29 ：2012 11 1 2012-0578 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B 3503:20
2、12 i ii 1 1 2 1 3 .2 4 2 5 .2 6 4 6.1 .4 6.2 4 6.3 .4 6.4 .5 6.5 .5 7 5 8 5 8.1 5 8.2 .5 8.3 .6 9 6 10 6 11 6 11.1 6 11.2 7 KS B 3503:2012 .8 KS B 3503:2012 ii 1991 2 ISO 4205, Countersinks, 90 degrees, with parallel shanks and solid pilot 1991 2 ISO 4206, Counterbores with parallel shanks and solid
3、 pilots . KS B 3503:2012 (MOD ISO 4205:1991 MOD ISO 4206:1991) Machine screw counterbores and countersinks 1 KS B 1021 M 3 M 8 , , . 1 ISO 4206 , 2 ISO 4205 . 2 . . ( ) . KS B 0101, KS B 0161, KS B 0401, KS B 0410, KS B 0507, KS B 0608, KS B 0806, KS B 1021, KS B 2001, KS B 3030, KS B 3706, KS B 520
4、6, KS B 5245, V KS B 5254, KS B 5526, 2： KS B ISO 273, KS B ISO 2768 1, 1： KS B ISO 4245, KS B ISO 4246, KS B 3503:2012 2 KS D 3522, KS D 3752, ISO 4205： 1991, Countersinks, 90 degrees, with parallel shanks and solid pilots ISO 4206： 1991, Counterbores with parallel shanks and solid pilots 3 KS B 37
5、06 KS B 0101 . 4 2 . 5 1 2 . KS B 3503:2012 3 4 . 1 ： mm D dp d (z9) (e8) (h8) L l lpM 3 5.9 3.2 71 14 3 (M 3.5) 6.4 3.7 71 14 3.5 M 4 7.4 4.3 6 0 0.01871 14 4 (M 4.5) 8.4 4.8 80 18 4.5 M 5 9.4 0.078 0.042 5.3 0.020 0.03880 18 5 M 6 11 0.073 0.050 6.4 8 0 0.02280 18 6 M 8 14.5 0.103 0.060 8.4 0.025
6、0.04712 0 0.027100 22 8 1 . 2 . 3 dp KS B ISO 273 1 . 4 KS B 3030 . 5 D, d dp KS B 0401 . 6 KS B 0410 . 7 L, l lp KS B ISO 2768 1 . KS B 3503:2012 4 4 . 2 ： mm D dp d (z9) (e8) (h8) L l lpM 3 7.5 3.2 6 0 0.01871 14 3 (M 3.5) 8.5 0.078 0.042 3.7 80 18 3.5 M 4 9.5 4.3 80 18 4 (M 4.5) 10.5 4.8 80 18 4.
7、5 M 5 12 5.3 0.020 0.0388 0 0.02280 18 5 M 6 14 0.093 0.050 6.4 100 22 6 M 8 18.5 0.125 0.073 8.4 0.025 0.04712 0 0.027100 22 8 1 . 2 . 3 dp KS B ISO 273 1 . 4 KS B 3030 . 5 D, d dp KS B 0401 . 6 KS B 0410 . 7 L, l lp KS B ISO 2768 1 . 6 6.1 , , , . 6.2 8.1 KS B 0161 1.6 mRa(6.3 mRy) . 6.3 02090LPLL
8、KS B 3503:2012 5 8.2 63 HRC (772 HV) , . 6.4 8.3 3 . 3 ： mm 1 2 t M 3 M6 M 3 M 4.5 0.032 M 8 M 5 M 8 0.040 KS B 0608 . 6.5 . 7 KS D 3522 SKH 51 . KS D 3752 SM 55C . 8 8.1 KS B 0507 . 8.2 KS B 5526 KS B 0806 . KS B ISO 4546 KS B ISO 4545 . KS B 3503:2012 6 . 8.3 1 V , . . 1 KS B 5254 1 . 2 KS B 5206
9、. 3 V KS B 5245 1 . 4 KS B 2001 . 1 9 , , , , , 5., 6.16.5 . 10 , 1) . KS B 3503 1 M6 SKH51 2 M6 SKH51 11 11.1 . . 1) HS HSS . KS B 3503:2012 7 a) b) 2)c) 11.2 , 11.1 . . 2) HS HSS . KS B 3503:2012 8 KS B 3503:2012 , . 1 . 2 a) WTO , . b) ISO 4205, Countersinks, 90 degrees, with parallel shanks and
10、solid pilot ISO 4206, Counterbores with parallel shanks and solid pilots , . 3 ISO 4205 ISO 4206 . KS A 0001( ) . KS B 3503:2012 9 4 KS B 3503 ISO 4205, 4206 KS ISO 1. KS B 1021 M 3 M 8 , , MOD 3. KS B 3706 KS B 0101 . ISO .NEQ ISO . 4. MOD 5. MOD 6. 63 HRC (772 HV) . , , , ISO .NEQ ISO . 7. KS D 35
11、22 SKH51 . ISO .NEQ ISO . 8. , , ISO .NEQ ISO . 9. , , , , ISO .NEQ ISO . 10. , , ISO .NEQ ISO . 11. ISO .NEQ ISO . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B 3503:2012 (MOD ISO 4205:1991 MOD ISO 4206:1991) KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Machine screw counterbores and countersinks ICS 25.100.20
