Hexagonal bolt with flange in accordance with MBN standard - SCR-MBN50105-C-10.9-1740.40-M20X1,5X240

Hexagonal bolt with flange in accordance with MBN standard

Name: Hexagonal bolt with flange in accordance with MBN standard
Brand: Würth
SKU: 0263120240

SCR-MBN50105-C-10.9-1740.40-M20X1,5X240

Art.-no. 0263120240

EAN 4061975585639

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Hexagonal bolt with flange in accordance with MBN standard

Art.-no. 0263120240

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Quantity

x 5 pcs

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MBN 50105, steel, strength class 10.9, from M12 with fine thread. Silver zinc-flake coating in accordance with DBL 1740.40 (shape C ≙ partial thread)

Surface protection

In accordance with DBL1740.40 (silver-coloured zinc-flake coating with lubrication integrated in the sealant, Cr(VI)-free) > VDA 235-104.42

Corrosion resistance

≤ M8 - approx. 480 h, no base metal corrosion in accordance with DIN EN ISO 9227-NSS

≥ M10 - approx. 720 h, no base metal corrosion in accordance with DIN EN ISO 9227-NSS

The specified corrosion resistances apply for corrosion tests in accordance with DIN EN ISO 9227-NSS (salt spray tests), at the earliest 24 h after coating, in the "as coated" state, i.e. before sorting, packaging, transporting and/or assembly. Inevitable handling and assembly processes may reduce these values.

Applying the corrosion resistance values resulting from the salt spray test to real assembly and operating conditions is not possible in the majority of cases. When designing a connection, both the combined materials - and, if necessary, coatings - as well as the environmental conditions during operation must be considered by the designer in the selection of a suitable corrosion protection coating.

Friction coefficient

μ_tot = 0.09-0.14 (VDA 235-101)

Notice

Flange head screws reduce the risk of pretensioning force loss caused by setting of contact surfaces. The surface pressure generated under the screw head during tightening is low compared to conventional hexagon heads (without flange), as the force is distributed over a larger contact surface.

Advantage:

Less setting required due to fewer parts to be connected compared to connections using washers.

The concave washer pressing against the contact surface increases the elasticity of the connection so that the setting/creeping movements that occur are counteracted and pretensioning force loss is generally prevented

Matching nuts

Flanged nylon insert lock nut, MBN 13032 steel 10, zinc flake coating, article number: 026391...

MBN 10105 has been replaced by MBN 50105.

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Thread type x nominal diameter x pitch (d₁)	M20 x 1.5
Length (l₁)	240 mm
Head diameter (d_c)	42.8 mm
Head height (k₁)	17.1 mm
External drive (s₁)	WS30
Pitch	1.5 mm
Other standard	MBN 50105
Material	Steel
Property class	10.9
Surface	DBL 1740.40
RoHS-compliant	Yes
Corrosion protection period	720 h
Head type	Hexagon head with flange
Drive type	Outer hexagon
Thread type	Metric thread
Thread form	Fine pitch thread
Thread design	Partial thread
Product class	A
Area of application	Utility vehicle construction

Additional accessory:

Product

Description

Quantity

Price
/PU

Hexagon nut with flange and clamping piece (all-metal) according to MBN standard

NUT-HEX-FLG-MBN13023-(DBL)-10-M20X1,5

Art.-no. 026391 20

MBN 13023, type 2, steel 10, from M12 with fine thread. Silver zinc-flake coating in accordance with DBL 9440.40

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Just leave the field empty if you don't know the packaging unit when directly entering the article number in the shopping basket or when importing with v

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
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BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
VVVVAAABBB
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076

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