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QC /T 379 - 1999

Square Head Cone Plugs

QC /T 379 - 1999 方头锥形螺塞

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Dimensional Specifications — QC /T 379 - 1999 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal
Z1/2-14	27	15	36	26.67	37	21
Z1/4-18	16	10	14	15.73	23	14
Z1/8-27	8	—	—	7.78	18	11
Z3/4-14	34	16	45	33.38	39	21
Z3/8-18	21	14	22	20.67	31	19

Related Standards

GB /T 14383 (SHP) - 2021— Forged Sthreaded Pipe Fittings - Square Head Screw Plug GB /T 14383 (SHP) - 2008— Forged Sthreaded Pipe Fittings - Square Head Screw Plug GB /T 14626 (SHP) - 1993— Forged Steel Threaded Pipe Fittings - Square Head Screw Plug DIN 2991 - 1977— Threaded Steel Pipe Fittings; Plugs, Caps JIS D 2101 (1A) - 2001— Automotive Parts - Type 1A Taper Screw Plug Q 614 Q 614B— Tapered Square Plug JB /T 6296.7 - 1992— Square Head Screw Plug

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