CS918

Imperial Large Crownserts

CS Series / Standard Type / 17-4PH / Large

Installed using the Crownserts Hand-Installation Tool:  CTSL918

CS918 reinforces or repairs 9/16-18 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. 17-4PH stainless steel, with .625 5/8 tap-hole guidance and CTSL918 hand installation tooling.

Crownserts can offer you the part CS918 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS918 - Imperial Large Crownserts
CS918 - Imperial Large Crownserts
CS918 - Imperial Large Crownserts
CS918 - Imperial Large Crownserts
 How to install a Crownsert?
CS918 - Imperial Large Crownserts
CS918 - Imperial Large Crownserts
CS918 - 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
CS918 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type I
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

Step drill part number CSD0625
Tap through tool part number TTI0687
Blind tap tool part number TBI0687
Removal tool part number CSRT918
 REQUEST A QUOTE  DOWNLOAD OUR CATALOGUE

Crownserts is offering part CS918 as factory new.