SRW374L

Imperial Structural Heavy-Duty Locking Inserts

Locking Type / 17-4PH / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL624

SRW374L repairs/reinforces 3/8-24 UNF imperial threads in Al/Mg or other non-ferrous materials; 17-4PH stainless. Tap hole .437 7/16; install with CSHTL624. This is an old Anemo part. Please use CSHL624.

We can offer you the part SRW374L with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

SRW374L - Imperial Structural Heavy-Duty Locking Inserts
SRW374L - Imperial Structural Heavy-Duty Locking Inserts
SRW374L - Imperial Structural Heavy-Duty Locking Inserts
SRW374L - Imperial Structural Heavy-Duty Locking Inserts
 How to install a Crownsert?
SRW374L - Imperial Structural Heavy-Duty Locking Inserts
SRW374L - Imperial Structural Heavy-Duty Locking Inserts
SRW374L - Imperial Structural Heavy-Duty Locking Inserts

Thread & Dimensions

A internal thread (Class 3B) 3/8-24 UNF
B external thread (Class 3A) 1/2-20 NS
Ø max minor special .4276
Ø C (+.008/-.002) .393
D (+.015/-.000) .110
E ref .322
G (±.010) .560
Through-hole preparation Min. full THD depth .820; Min. full depth 0,595
Blind-hole preparation Min. full THD depth .720; Min. full depth 0,595
SRW374L schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272
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 CSHTL624
Step drill part number CSD0437
Tap through tool part number TTI0484
Blind tap tool part number TBI0484
Removal tool part number CSHRT624
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