316 Stainless Steel Tube Socket Weld Male Connector, 1/4 in. OD x 1/4 in. Male NPT | Socket Weld Fittings | Weld Fittings | Fittings | All Products | Swagelok
Amazon.com: Jeremywell 5/8-18 RH + LH Threaded Weld-In Bung Set Fits 0.120 Wall Tube Heim Joints : Automotive
C73-941-2 - (2) TUBE ADAPTER 5/8-18 LH 1-1/4 X 0.095 at Pro-Werks
Race Style Chromoly 1.25 in - 12 tpi Tube Adapter 1.5 in - 1.75 in– Ballistic Fabrication
750" 3/4" Weld in bung Tube adapters fit 1.00" ID tube (inside diamet – Heim Joints
SET OF (16)1.25"-12 WELD ON TUBE ADAPTER HEX 8 RH AND 8LH OFF ROAD 4 LINK BUNG | eBay