CSHL918

Imperial Large Heavy-Duty Crownserts

CSH Series / Locking Type / 17-4PH / Large Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL918

CSHL918 reinforces or repairs 9/16-18 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. 17-4PH stainless steel, with .703 45/64 tap-hole guidance and CSHTL918 hand installation tooling.

Crownserts can offer you the part CSHL918 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL918 - Imperial Large Heavy-Duty Crownserts
CSHL918 - Imperial Large Heavy-Duty Crownserts
CSHL918 - Imperial Large Heavy-Duty Crownserts
CSHL918 - Imperial Large Heavy-Duty Crownserts
 How to install a Crownsert?
CSHL918 - Imperial Large Heavy-Duty Crownserts
CSHL918 - Imperial Large Heavy-Duty Crownserts
CSHL918 - Imperial Large Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 9/16-18 UNF
B external thread (Class 3A) 3/4-16 UNF
Ø max minor special .6860
Ø C (+.008/-.002) .647
D (+.015/-.000) .145
E ref .481
G (±.010) .843
Through-hole preparation Min. full depth 0,870
Blind-hole preparation Min. full depth 0,870
CSHL918 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 CSHTL918
Step drill part number CSD0703
Tap through tool part number TTI0750
Blind tap tool part number TBI0750
Removal tool part number CSHRT918
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Crownserts is offering part CSHL918 as factory new.