Dynabrade 77774 5" Dia. x 7/8" Center Hole, 80 Grit, Type 27, Ceramic DynaCut Flap Disc, 10/pack 
3M 26119, PPS Series 2.0 Adapter, Type S27, 16 mm Male, 1.5 mm Thread, 7100135925 
Insize 4634-38, NPT THREAD RING GAGE, 3x8NPT, 6928640347054
$2,254.51
American tapered pipe thread for threads with sealant
Standard ANSI/ASME B1.20.1
Taper 1:16
Material: OHNS (Oil Hardened Non-Shrining Steel)
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