Welding Neck Flange Class 300 1/2 Inch Posted on June 15, 2020 Version Download 11 File Size 85.47 KB File Count 1 Create Date June 15, 2020 Last Updated June 15, 2020 Download Description Weld Neck Flange Class 300 Size NPS : 1/2" Size DN : 15 mm. Weight : 1.4 kg. StudBolt Size : 1/2" UNC Or (M14) x 65 Long No. of Bolts : 4 EA. Holes Diamater : 15.875 mm. Related Weld Neck Flange 1/2 Inch Weld Neck Flange 15mm