HB 4242-2004
Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert (English Version)

Standard No.

HB 4242-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

Professional Standard - Aviation

Latest

HB 4242-2004

Replace

HB 4242-1989 HB 4243-1989 HB 4244-1989 HB 4256-1989 HB 4257-1989 HB 4258-1989 HB 4259-1989

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 4242-2004 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

HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert has been changed from HB 4243-1989 ST8×1, ST8×1.25 for machine and hand taps for light alloys with threaded inserts installed through holes.

HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert has been changed from HB 4244-1989 ST10×1~ST33×2 for machine and hand taps for light alloys with through holes for threaded inserts.

HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert has been changed from HB 4256-1989 Short handle machine with rear guide for installing wire thread insert through hole, hand tap for light alloy ST6×1~ST8×1.25.

HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert has been changed from HB 4257-1989 ST10×1~ST33×2 for short handle machine with rear guide for installing wire thread insert through hole, hand tap for light alloy.

HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert has been changed from HB 4258-1989 Long handle machine with rear guide for installing wire thread insert through hole, hand tap for light alloy ST6×1~ST8×1.25.

HB 4242-2004 Through-hole machine and hand taps of internal screw on light alloy for installing wire thread insert has been changed from HB 4259-1989 Long handle machine with rear guide for installing wire nut through hole, hand tap for light alloy ST10×1~ST33×2.