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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Flat Round Head Weld Screws

KS B 1057 - 2001

Display drawing:

韩标KS B1057 - 2001 KS1057 1057KS Flat Round Head Weld Screws

Thread Size
d

M4

M5

M6

M8

M10

M12

P		pitch	Coarse thread
			Fine thread
d_k		Nominal Size
		max
		min
k		Nominal Size
		max
		min
d₁		Nominal Size
		max
		min
h		Nominal Size
		max
		min
d₂		max

0.7	0.8	1	1.25	1.5	1.75
/	/	/	1	1.25	1.25
10	12	14	18	22	26
10.4	12.4	14.4	18.4	22.4	26.4
9.6	11.6	13.6	17.6	21.6	25.6
1.3	1.8	2	2.5	3.5	4.5
1.5	2	2.2	2.7	3.7	4.7
1.1	1.6	1.8	2.3	3.3	4.3
1.5	2	2.5	3	4	4
1.75	2.25	2.75	3.25	4.25	4.25
1.25	1.75	2.25	2.75	3.75	3.75
0.7	0.7	0.8	0.8	1	1
0.8	0.8	0.9	0.9	1.1	1.1
0.6	0.6	0.7	0.7	0.9	0.9
8.5	10	11.5	15	18	21

Similar Standards

1		[JIS] JIS B 1195 - 2009	Flat Round Head Weld Bolts View Suppliers
2		[GB] GB /T 902.4 (PS) - 2010	Threaded Studs With Flange For Short-cycle Drawn Arc Stud Welding - PS Type Threaded Stud With Flanged View Suppliers
3		[IFI] IFI 148 (UC4) - 2002	Type UC4 Projection Weld Studs
4		[IFI] IFI 148 (TUS3) - 2002	Type TUS3 Projection Weld Studs
5		[DIN] DIN 32501-1 (GA) - 1991	Studs For Stud Welding With Tip Ignition; Threaded Bolt
6		[IFI] IFI 148 (TD) - 2002	Type TD Projection Weld Studs
7		[IFI] IFI 148 (T3) - 2002	Type T3 Projection Weld Studs
8		[ISO] ISO 13918 (FD) - 2017	Arc Stud Welding - Fully - Threaded Stud - Type Fd
9		[DIN] DIN 34817 - 2017	Weld Screws With Metric Thread
10		[IFI] IFI 148 (US3) - 2002	Heavy Duty Type US3 Projection Welding Studs
11		[IFI] IFI 148 (UR) - 2002	Type UR Projection Weld Studs
12		[IFI] IFI 148 (U3) - 2002	Type U3 Projection Weld Studs
13		[IFI] IFI 148 (TC4) - 2002	Flat Round Head With Rings On Undertake Surface Welding Screws
14		[DIN] DIN 34817 - 2001	Weld Screws With Metric Thread
15		[BS] BS 7670-1 - 1993	Screws For Resistance Projection Welding [Table 1]
16		[JIS] JIS B 1195 - 1994	Flat head welding screws
17		[YJT] YJT 1004	Metric Spot welding stud
18		[YJT] YJT 1005	Spot welding stud (ANSI/ASME/IFI)