Ansi b1.9 pdf

buttress thread

Buttress Inch Screw Threads (7 deg./45 deg. Form with 0.6 Pitch Basic Height of Thread Engagement) (B1.9 - 1973) This Standard relates to screw threads ofANSI B1.9~- 1973 ASA B1.9-1953, Buttress Screw Threads, was issued in conformance with this recommendation. ASME B1.7 73 m 2575512 00LZ33b b. Revised Standard: The revised screw thread standard ANSI/ASME B1.1-1989 is 9. 0.11111. 0.09623. 0.06014. 0.06615. 0.02406. 0.01804. 0.01203. 0.01203. ANSI B1.9~-1973. SECRETARIAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS i. PUBLISHED BY T H EA M E R I C A NS O C I . E T Y United Engineering Center ANSI B1.9 : BUTTRESS INCH SCREW THREADS 7/45 FORM WITH 0.6 PITCH BASIC HEIGHT OF THREAD ENGAGEMENT. AMERICAN BUTTRESS | ANSI B1.9–1973. External. Reference. Pitch. Dimensions (mm). P. M. K. N. S. TPI. IC. L. X. Y. SXN20 EN20 SXN20 EN20 SXN20 EN20 ZN10