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Designation
Ring bolt
Version 1
revolving
Version 2
with hex key
Main material
steel
Surface finish body
plastic-coated
Main colour
yellow
Component colour
black
D=Thread
M8
D1
25
D2
44
D3
25
D4
34
H
47
Kind of fastening
screw-on
L
12
Permissible load kg
300
S
9
S1
9,5
SW
6
Steel code
1.6541
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
carbon-black extracts
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Descrizione

Material
Ring 1.6541 steel.
Screw steel.
Version
Ring forged and high tensile tempered.
100% electromagnetic crack tested per EN 1677-1, 4x safety factor.
Plastic-coated.
Thread grade 10.9.
Note
In contrast to DIN 580 ring bolts this ring bolt is rotatable, therefore the load direction is adjustable and unintended tightening or loosening is negated.

– 4x safety factor
– lateral loading up to 90° is possible
– ring can rotate 360° with tightened screw

The listed load values apply for a minimum screw length of 1x nominal thread diameter in steel with a minimum tensile strength of 363 N/mm², at an application temperature of -20 °C to +100 °C.
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