CSHL918A286

Imperial Large Heavy-Duty Crownserts

CSH Series / Locking Type / A286 / Large Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL918

CSHL918A286 is an imperial large heavy-duty crownsert in A286 high-temperature alloy, designed to strengthen 9/16-18 UNF threads in lightweight parent materials. It uses 3/4-16 UNF external threads and CSHTL918 installation tooling.

Crownserts can offer you the part CSHL918A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL918A286 - Imperial Large Heavy-Duty Crownserts
CSHL918A286 - Imperial Large Heavy-Duty Crownserts
CSHL918A286 - Imperial Large Heavy-Duty Crownserts
CSHL918A286 - Imperial Large Heavy-Duty Crownserts
 How to install a Crownsert?
CSHL918A286 - Imperial Large Heavy-Duty Crownserts
CSHL918A286 - Imperial Large Heavy-Duty Crownserts
CSHL918A286 - 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
CSHL918A286 schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type 1
Temperature range -400°/+650°F
Heat treat RC 32-40
Magnetic NO

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 CSHL918A286 as factory new.