GB/T 7306.1-2000: Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads. Part 1: Parallel internal and taper external threads Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Get Quotation: Click GB/T 7306.1-2000 (Self-service in 1-minute) Newer / historical versions: GB/T 7306.1-2000 Preview True-PDF (Reload/Scroll-down if blank)
