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Click Specification

Unit:mm

Square Head Cone Plugs

QC /T 379 - 1999

Display drawing:

汽标QC /T379 - 1999 QC379 379QC Square Head Cone Plugs

Nominal Diameter
d

Z1/8-27

Z1/4-18

Z3/8-18

Z1/2-14

Z3/4-14

Z1-11.5

Z1-1/4-11.5

NPT1-1/2-11.5

NPT2-11.5

s	max
	min
L₁
L
t
d₁	max

5.5	8	10	16	18	21	24	27	34
5.32	7.78	9.78	15.73	17.73	20.67	23.67	26.67	33.38
15	18	20	23	26	31	34	37	39
9	11	12	14	16	19	20	21	21
-	-	8	10	12	14	14	15	16
-	-	11	14	18	22	28	36	45

Alternative history

QC /T 379 - 1999 QC /T 379 - 2013

Similar Standards

1		[JIS] JIS D 2101 (1A) - 2001	Automotive Parts - Type 1A Taper Screw Plug View Suppliers
2		[SAE] SAE J 531 (130109A) - 2020	Souare Inside Head Pipe Plugs(NPTF) View Suppliers
3		[ASME] ASME B 16.11 - 1991	Square Head Plug
4		[ASME] ASME B 16.11 - 2016	Square Head Plug
5		[ASME] ASME B 16.14 - 2013	Ferrous pipe plugs with pipe threads
6		[ASME] ASME B 16.14 - 1991	Ferrous pipe plugs, with pipe threads
7		[ASME] ASME B 16.14 - 2018	Ferrous Pipe Plugs With Pipe Threads
8		[DIN] DIN 2991 - 1977	Threaded steel pipe fittings; plugs, caps
9		[GB] GB /T 14626 (SHP) - 1993	Forged steel threaded pipe fittings - Square head screw plug
10		[GB] GB /T 14383 (SHP) - 2021	Forged sthreaded pipe fittings - Square head screw plug
11		[GB] GB /T 14383 (SHP) - 2008	Forged sthreaded pipe fittings - Square head screw plug
12		[SAE] SAE J 531 (130109B) - 2020	Square Inside Head Filler And Drain Plugs(PTF)
13		[SAE] SAE AS 4863 - 1995 (R2015)	Plug pipe external thread