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M10

M12

Hose Clamps-Part 2:Clamps With Fastening Lugs-Type B2

DIN 3017-2 - 2002

Display drawing:

Screw Thread
d

M10

M12

n	Nominal Size
	max
	min
b	max
H	max
h	Nominal Size
	max
	min
L	max
s
d₁
Screw head shape

15	20	25	30
15.3	20.3	25.3	30.3
14.7	19.7	24.7	29.7
17	22	27	32
17	20	22	29
0.6	0.9	1.1	2.5
0.8	1.1	1.3	2.7
0.5	0.8	1	2.4
40	46	55	75
10	13	16	18
60~120	70~160	90~250	80~350
③	③	④	⑤

①,The hose clamps do not need to correspond to the illustration; only the specified dimensions are to be observed.
③,Hexagon screw according to DIN EN ISO 4017, but with slot according to DIN 962.
④,Hexagon screw according to DIN EN ISO 4017.
⑤,a)Material abbreviation W1: Screw: Strength class 8.8 by DIN EN ISO 898-1；Belt, bridge and clamping jaws ：Steel with tensile strength of at least 400MPa (type at the manufacturer's choice)
b)Material abbreviation W3: Screw: Steel group A2-70 according to DIN EN ISO 3506-1 ; Belt, bridge and clamping jaws ：Steel of material number 1.4016 according to DIN EN 10088-2 or equivalent corrosion-resistant steel (variety at the manufacturer's choice)
c)Material abbreviation W4: Screw: Steel group A2-70 according to DIN EN ISO 3506-1 ; Belt, bridge and clamping jaws ：Steel of material number 1.4301 according to DIN EN 10088-2 or equivalent corrosion-resistant steel (variety at the manufacturer's choice)
d)Material abbreviation W5: Screw: Steel group A2-70 according to DIN EN ISO 3506-1 ; Belt, bridge and clamping jaws ：Steel of material number 1.4401, 1.4436, 1.4571 according to DIN EN 10088-2 or equivalent corrosion-resistant steel, suitable for seawater, difficult to magnetize (variety at the manufacturer's choice)
e)Other materials by agreement; instead of the abbreviation, the material number must be stated

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