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Q 198

Weld Screws, Type A

Q 198 A型承面凸焊螺钉

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Dimensional Specifications — Q 198 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M4	0.8	2.25	2.5	9.5	2.6	12.5	12.23	1.25	0.9	9.75	2.4
M5	1.25	3.25	3.5	14	3.1	19	18.67	1.45	1.1	14.25	2.9
M6	1.75	4.75	5	18.5	3.6	24	23.67	1.65	1.3	18.75	3.4

Related Standards

GB /T 902.4 (PS) - 2010— Threaded Studs with Flange for Short-cycle Drawn Arc Stud Welding - PS Type Threaded Stud with Flanged IFI 148 (U3) - 2002— Type U3 Projection Weld Studs IFI 148 (UR) - 2002— Type UR Projection Weld Studs IFI 148 (UC4) - 2002— Type UC4 Projection Weld Studs IFI 148 (T3) - 2002— Type T3 Projection Weld Studs IFI 148 (US3) - 2002— Heavy Duty Type US3 Projection Welding Studs IFI 148 (TC4) - 2002— Flat Round Head with Rings on Undertake Surface Welding Screws IFI 148 (TUS3) - 2002— Type TUS3 Projection Weld Studs

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