Part number:
Width across flat dimension (S Measurement)
Width across flat part external diameter (measurement D1)
(mm)
Maximum Outer Diameter (D1 or D2 Dimensions)
Width across flat part depth (measurement L1)
Through Hole I.D. (d Dimension)
Mass
(g)
Inch-size sockets. Drive: 12.7 mm, opposite side shape: bihexagonal