Product Name: ASTM A320 Grade L7 Stud Bolt
Type: Stud Bolt
Design Standard: API 20E
Material: ASTM A320 Grade L7, Alloy Steel
Size: 1-3/8 Inch
Thread: 8UN
Length: 140 mm
Source: https://www.landeepipefitting.com/astm-a320-grade-l7-stud-bolt-api-20e-alloy-steel-1-3-8-in.html