CS918A286

Imperial Large Crownserts

CS Series / Standard Type / A286 / Large

Installed using the Crownserts Hand-Installation Tool:  CTSL918

CS918A286 CS Series is a standard imperial Crownserts® threaded insert for durable thread reinforcement. A286 high-temperature alloy; specified with 9/16-18 UNF internal thread and 11/16-12 UN installation thread.

Crownserts can offer you the part CS918A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS918A286 - Imperial Large Crownserts
CS918A286 - Imperial Large Crownserts
CS918A286 - Imperial Large Crownserts
CS918A286 - Imperial Large Crownserts
 How to install a Crownsert?
CS918A286 - Imperial Large Crownserts
CS918A286 - Imperial Large Crownserts
CS918A286 - Imperial Large Crownserts

Thread & Dimensions

A internal thread (Class 3B) 9/16-18 UNF
B external thread (Class 3A) 11/16-12 UN
Ø max minor special .6130
Ø C (+.008/-.002) .571
D (+.015/-.000) .145
F .550
G (±.010) .840
J (±1) 42
Through-hole preparation Min. full THD depth 1.248; Min. full depth .873
Blind-hole preparation Min. full THD depth 1.081; Min. full depth .873
CS918A286 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

Step drill part number CSD0625
Tap through tool part number TTI0687
Blind tap tool part number TBI0687
Removal tool part number CSRT918
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Crownserts is offering part CS918A286 as factory new.