CSXL720SP

Imperial Long Crownserts

CSX Series / Locking Type / Inconel 718 SP / Long

Installed using the Crownserts Hand-Installation Tool:  CSTL720

CSXL720SP is an imperial long crownsert in Inconel 718 with silver-plated internal surfaces, designed to strengthen 7/16-20 UNJF-3B threads in lightweight parent materials. It uses 1/2-20 UNJF-3A external threads and CSTL720 installation tooling.

Crownserts can offer you the part CSXL720SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSXL720SP - Imperial Long Crownserts
CSXL720SP - Imperial Long Crownserts
CSXL720SP - Imperial Long Crownserts
CSXL720SP - Imperial Long Crownserts
 How to install a Crownsert?
CSXL720SP - Imperial Long Crownserts
CSXL720SP - Imperial Long Crownserts
CSXL720SP - Imperial Long Crownserts

Thread & Dimensions

Thread Ø A 7/16-20 UNJF-3B
Thread Ø B 1/2-20 UNJF-3A
Minor diameter max .4630
Ø C (±.003) .444
D (±.010) 1.000
E ref .58
F (±.005) .120
G (±.005) .105
H ref .377
J 39
Through-hole preparation Min. full THD depth 1,260; Min. full depth 1.035
Blind-hole preparation Min. full THD depth 1,160; Min. full depth 1.035
CSXL720SP schematic

Material & Finish

Material Inconel 718 per AMS 5662
Finish Internal surfaces: Silver plated per AMS 2411 (0.0002 in min. thickness); External surfaces: Passivated per AMS 2700
Material note Only available as locking SP version.
Rolls Royce Applicable YES

Tooling & Preparation

Hand-installation tool part number CSTL720
Step drill part number CSD0468
Tap through tool part number TTI0499 / TTI0500
Blind tap tool part number TBI0499 / TBI0500
Removal tool part number CSRT720
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Crownserts is offering part CSXL720SP as factory new.