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LIFTING EYE NUTS "MWLEN582" UNC - 8UN THREADS
UNC - 8UN Unified Thread Standard
UNC threading is measured in inches (1"=25,4mm), and was created and mainly used in the United States and in Canada. Similarly to the ISO Metric system, it has a 60° angle between each crest and each groove, but the diameters and heights of the crests are measured in inch fractions rather than millimetres.
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UNC
The following sizes are made from lifting eye bolt bodies (pay attention to the dimensions in red)
8UN
The following sizes are made from lifting eye bolt bodies (pay attention to the dimensions in red)
MATERIAL
In accordance with standards DIN 580:2018 and DIN 582:2018, the carbon steel used for the construction of lifting eye bolts and lifting eye nuts is aluminium killed steel C15E (EN 10084/98).
A2 (AISI 304) or A4 (AISI 316) stainless steel is also used for the construction of lifting eye bolts and lifting eye nuts. Other materials can be employed for special applications.
SURFACE FINISHES
Non-machined lifting eye bolts and lifting eye nuts are usually supplied as semi-finished forged pieces (sand-blasted).
White zinc-plated lifting eye bolts and lifting eye nuts (minimum 8 microns) and hot-dip galvanised lifting eye bolts and lifting eye nuts (minimum 78 microns) are also ready for immediate delivery.
Other surface treatments are available on request (yellow zinc-plating, Dacromet, Delta Protekt, Delta Tone, Delta Seal, painting etc.).
These eye nuts with special threading are not included in standard DIN 582:2018 and cannot therefore be marketed as DIN 582:2018.
For this reason we have created a table named MWLEN582 (Mec Wolf Lifting Eye Nuts) by adopting the sizes of standard DIN 582 and DIN 580 unfinished bodies after machining with special threading.
For these products we guarantee the same mandatory requirements provided for by standard DIN 582:2018 and by the Machinery Directive 2006/42/CE; these products must therefore be considered to be perfectly compatible with standard DIN 582/580 and compliant with the Machinery Directive EN/2006/42.
Click here to view the mandatory requirements for the marketing and use of eye bolts and eye nuts.