나사산의 종류별 표준

나사산 모양 연결부 지름 Ø (mm) 지름 L (mm)

일반 호스 연결용(호스 연결후 클램프 필요)

Hose Connection
Standard hose bard for hose clamp

 6.3 mm (1/4")
8 mm (5/16")
10 mm (3/8")
13 mm (1/2")
18 mm (5/8")		 -
-
-
-
-		 18.0
18.0
21.0
21.0
21.0

스트림-라인 연결용(별도의 클램프가 불필요)

Stream-Line Connection
Hose bard with nut cap for reusable and safe hose clamping

 5 x 8 mm
6.5 x 10 mm
8 x 12 mm
9.5 x 13.5 mm
11 x 16 mm		 -
-
-
-
-		 15.0
17.0
19.0
21.0
25.0

CEJN 록킹 방식 호스 연결용 (클램프 불필요)

CEJN-Lock Connection
For special non-clamping hose

 1/4"
3/8"
1/2"		 -
-
-		 19.0
23.0
26.0

UNF 나사 (ISO68, ANSI B1.1표준)

UNF Thread Connection
Unified threads according to ISO 68, ANSI B1.1

Male:
ie. 9/16"-18 UNF

Female:
ie. 7/16"-20 UNF

Female, SEA O-Ring Boss
숫나사
7/16"-20 UNF
7/8"-14 UNF



암나사
7/16"-20 UNF
9/16"-18 UNF
3/4"-16 UNF
1 1/16"-16 UNF
1 5/16"-12 UNF
11.0
22.0




9.8
12.9
17.5
26.8
33.1
13.3
15.5




11.5
12.7
14.3
19.0
19.0

미터법 나사 (ISO 68, ISO 724)

Metric Thread Connection
Metric threads according to ISO 68/ISO 724

Male:
ie. M16x1.5

Female:
ie. M16x1.5
숫나사M10x1.25
M12x1.5
M14x1.5
M16x1.5
M22x1.5

암나사
M16x1.5
9.8
11.85
13.85
15.85
21.85


14.5
9.0
13.0
13.0
8.81
15.7


9.0

R/Rc 나사 (통상 BSPT 나사)한국/일본등에서 범용 사용

R/Rc Thread Connection
Conical Pipe Thread Connection According to ISO 7/1
(other common descriptions are BSPT, Kr)

Male:숫나사 경우 표시
ie. R 1/4"

Female: 암나사 경우 표시
ie. Rp 1/4" (평형하게 가공한것)
ie. Rc 1/4" (테이퍼지게 가공한것)
숫나사
R 1/8"
R 1/4"
R 3/8"
R 1/2"
R 3/4"

암나사
Rc 1/8"
Rc 1/4"
Rc 3/8"
Rc 1/2"
Rc 3/4"
10.2
13.6
17.2
21.7
27.1


8.3
11.0
14.5
18.0
23.5
7.4
11.0
11.0
15.0
16.3


7.4
11.0
11.4
15.0
16.3

G 나사 (통상 BSP 나사)

G Thread Connection
Cylindrical Pipe Thread Connection According to ISO 228/1
(other common descriptions are BSP, R)

Male:
ie. G 1/4"

Female (ISO 1179):
ie. G 1/4"
숫나사
G 1/8"
G 1/4"
G 3/8"
G 1/2"
G 3/4"

암나사
G 1/8"
G 1/4"
G 3/8"
G 1/2"
G 3/4"
9.6
13.0
16.5
20.8
26.3


8.75
11.8
15.25
19.0
24.5
8.0
10.0
10.0
12.0
12.0


7.4
11.0
11.4
15.0
16.3

NPT 나사 (미국식 표준)

NPT Thread Connection
National Pipe Thread American Standard According to ANSI/ASME B 1.20.1

Male:
ie. 1/4" NPT

Female:
ie. 1/4" NPT
숫나사
1/8" NPT
1/4" NPT
3/8" NPT
1/2" NPT
3/4" NPT

암나사
1/8" NPT
1/4" NPT
3/8" NPT
1/2" NPT
3/4" NPT
10.5
14.0
17.5
21.8
27.1


8.5
11.0
14.5
18.0
23.0
6.7
10.2
10.4
13.6
13.9


6.9
10.0
10.3
13.6
14.1