HB 4242-1989
ST6×1~ST7×1 for machine and hand taps for light alloys with through holes for threaded inserts (English Version)

Standard No.

HB 4242-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Status

Be replaced 2004-12

Replace By

HB 4242-2004

Latest

HB 4242-2004

Scope

This standard applies to GB119.3-86 "Internal threads for installing wire screws", machine and hand taps for cutting through holes and closed holes in light alloy parts. This standard also applies to HB5515-86 "Internal threads for wire screws".

HB 4242-1989 history

• 2004 HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert
• 1989 HB 4242-1989 ST6×1~ST7×1 for machine and hand taps for light alloys with through holes for threaded inserts