Hexagon socket countersunk head screw ISO 10642 Steel Zinc flake Cr⁶⁺free - ISO 10683 flZnnc 010.9 M8X20

Article number
Diameter
Length
Class	010.9
Driving features	Hexagon socket
Head shape	Countersunk head
Material	Steel
Thread direction	Right

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Specifications

Diameter	M8
Length	20 mm
Class	010.9
Driving features	Hexagon socket
Head shape	Countersunk head
Material	Steel
Thread direction	Right
Surface treatment	Zinc flake Cr⁶⁺free - ISO 10683 flZnnc
Thread	Metric thread
Info	A zinc flake coating eliminates the risk of hydrogen embrittlement. All thread lengths are guide values only and may deviate. Due to the unfavourable head geometry these fasteners have reduced loadability. Steel fasteners with reduced loadability are marked with a '0' preceding the property class mark, e.g. '010.9'. Stainless steel fasteners with reduced loadability are either marked with a '0' preceding the property class mark, e.g. 'A2-070', or with the steel grade only, e.g. 'A2'.

Dimensions

b (min.)	28
d-D	M8
dk (max.)	16.43
Full thread if L ≤	45
k (max.)	4.96
L (mm)	20
P	1.25
s	5
α	90

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Standards

ISO	10642
DIN	≈7991

Article numbers

Article number	07407.080.020
EAN	8715494143035
UBB	500571180800
UNSPSC	31161518

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Hexagon socket countersunk head screw ISO 10642 Steel Zinc flake Cr6+free - ISO 10683 flZnnc 010.9 M8X20