Direction of rotation of the thread
right-handed
Inner diameter of the thread - metric D1-M (mm)
12.88
Internal thread sizeTA1
9/16
Unit of measurement
imperial
Non-metric pitch of the thread PI
18
Metric height of the nut H1-M (mm)
12.3
Non-metric height of the nut-decimal H1-IA (inch)
0.48
Non-metric height of the nut-fraction H1-IB (inch)
31/64
Non-metric width across flats - decimal WAF-IA (inch)
0.88
Non-metric width across flats - fraction WAF-IB (inch)
7/8
Thread locker present on the thread
NO
Description of the nut
hexagon nut