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CSL813

Imperial Structural Locking Crownserts

CSL Series / Locking Type / 17-4PH / Structural

Installed using the Crownserts Hand-Installation Tool:  CSTL813

CSL813 reinforces or repairs 1/2-13 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. 17-4PH stainless steel, with .531 17/32 tap-hole guidance and CSTL813 hand installation tooling.

Crownserts can offer you the part CSL813 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 1/2-13 UNC
B external thread (Class 3A) 9/16-24 UNEF
Ø max minor special .5290
Ø C (+.008/-.002) .505
D (+.015/-.000) .135
E .439
G (±.010) .750
J (±1) 44
Through-hole preparation Min. full THD depth .973; Min. full depth .785
Blind-hole preparation Min. full THD depth .889; Min. full depth .785
CSL813 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

Hand-installation tool part number CSTL813
Step drill part number CSD0531
Tap through tool part number TTI0562
Blind tap tool part number TBI0562
Removal tool part number CSRT813

Crownserts is offering part CSL813 as factory new.