Betts offers a variety of ASME swing-bolts for the Full Opening Manhole product line. All ASME swing-bolts are a solid one-piece design made from 17-7 stainless steel with 5/8-11 UNC threads. Wing-nuts are 304 stainless steel.

Wing-nut includes a staked-on bearing washer for decreased wear and a retention e-clip is included on top of swing-bolt to keep the wing-nut from accidentally unthreading off of the swing-bolt while opening manhole.

• 3.75"H x 3.75"L x 2"W