|Thread Type||Partially Threaded|
|Head Width Across Flats||14 mm|
|Head Height||10 mm|
|Flange Diameter||21 mm|
|Standards Met||JIS B1189|
I use it mostly as a fastener, which allows various parts to be fastened together To anybody who needs a fastener, this is a great fastener Its a high quality fastener
Use these a lot. Great design.