Sms Screw Manufacturers - Katsuhana Fasteners Corp. Taiwan

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製品

DIN7982 (ISO7050)

DIN7982

Thread size										ST 2.2	ST 2.9	ST 3.5	ST 4.2	ST 4.8	ST 5.5	ST 6.3
Pᴵ⁾										0.8	1.1	1.3	1.4	1.6	1.8	1.8
a²⁾ max.										0.8	1.1	1.3	1.4	1.6	1.8	1.8
dk		Theoretical ᶟ⁾				max.	4.4	6.3	8.2	9.4	10.4	11.5	12.6
		actual		max.	3.8	5.5	7.3	8.4	9.3	10.3	11.3
		actual		min.	3.5	5.2	6.9	8	8.9	9.9	10.9
k max.										1.1	1.7	2.35	2.6	2.8	3	3.15
r max.										0.8	1.2	1.4	1.6	2	2.2	2.4
Cross recess		Recess No.		0	1	2			3
		Type H		m ref.		1.9	3.2	4.4	4.6	5.2	6.6	6.8
				Penetration		min.		0.9	1.7	1.9	2.1	2.7	2.8	3
				Penetration		max.		1.2	2.1	2.4	2.6	3.2	3.3	3.5
		Type Z		m ref.		2	3.2	4.3	4.6	5.1	6.5	6.8
				Penetration		min.		0.95	1.6	1.75	2.05	2.6	2.75	3
				Penetration		max.		1.2	2	2.2	2.5	3.05	3.2	3.45
y ref.⁴⁾		Type C		2	2.6	3.2	3.7	4.3	5	6
y ref.⁴⁾		Type F		1.6	2.1	2.5	2.8	3.2	3.6	3.6
/ ⁵⁾
Type C				Type F
nom.	min.		max.		min.		max.
4.5	3.7		5.3		3.7		4.5			-	-	-	-	-	-	-
6.5	5.7		7.3		5.7		6.5			-	-	-	-	-	-	-
9.5	8.7		10.3		8.7		9.5			-	-	-	-	-	-	-
13	12.2		13.8		12.2		13			-	-	-	-	-	-	-
16	15.2		16.8		15.2		16			Range		-	-	-	-	-
19	18.2		19.8		18.2		19			Of	-	-	-	-	-	-
22	21.2		22.8		20.7		22			commercial		-	-	-	-	-
25	24.2		25.8		23.7		25			Iengths		-	-	-	-	-
32	30.7		33.3		30.7		32			-	-	-	-	-	-	-
38	36.7		39.3		36.7		38			-	-	-	-	-	-	-
45	43.7		46.3		43.5		45			-	-	-	-	-	-	-
50	48.7		51.3		48.5		50			-	-	-	-	-	-	-

P= pitch of the thread.
Distance from the underside of the head to the first major diameter of the thread within specified limits.
See ISO 7721
Length of incomplete thread.
Sizes with lengths marked with a dash (一) in the table shall not be manufactured.