CSH0440

Imperial Miniature Heavy-Duty Crownserts

CSH Series / Standard Type / 17-4PH / Miniature Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHT04

CSH0440 reinforces or repairs 4-40 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. 17-4PH stainless steel, with .166 #19 tap-hole guidance and CSHT04 hand installation tooling.

Crownserts can offer you the part CSH0440 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH0440 - Imperial Miniature Heavy-Duty Crownserts
CSH0440 - Imperial Miniature Heavy-Duty Crownserts
CSH0440 - Imperial Miniature Heavy-Duty Crownserts
CSH0440 - Imperial Miniature Heavy-Duty Crownserts
 How to install a Crownsert?
CSH0440 - Imperial Miniature Heavy-Duty Crownserts
CSH0440 - Imperial Miniature Heavy-Duty Crownserts
CSH0440 - Imperial Miniature Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 4-40 UNC
B external thread (Class 3A) 10-32 UNF
Ø max minor special .1620
Ø C (+.008/-.002) .142
D (+.015/-.000) .060
F ref .100
G (±.010) .190
Through-hole preparation Min. full depth 0,220
Blind-hole preparation Min. full depth 0,220
CSH0440 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272
Temperature range -110°/+650°F
Heat treat RC 35-42
Magnetic YES
Material note Standard material code; no suffix added to the part number.

Tooling & Preparation

Hand-installation tool part number CSHT04
Step drill part number CSD0166
Tap through tool part number CSTBI0187
Blind tap tool part number CSTBI0187
Removal tool part number CSHRT04
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Crownserts is offering part CSH0440 as factory new.