SRW258L-0036

Imperial Structural Heavy-Duty Locking Inserts

Locking Type / AD / Structural Heavy-Duty

SRW258L0036 CSH Series is a locking imperial insert. 4130 alloy steel; 1/4-28 UNF internal, 11/32-24 NS installation threads.

This is an old part number for Anemo. We strongly recommend our alternative part CSHL428AD, which has the same properties.

How to install a Crownsert?

A internal thread (Class 3B) 1/4-28 UNF

B external thread (Class 3A) 11/32-24 NS

Ø max minor special .2976

Ø C (+.008/-.002) .264

D (+.015/-.000) .095

E ref .210

G (±.010) .380

Through-hole preparation Min. full THD depth .602; Min. full depth 0,415

Blind-hole preparation Min. full THD depth .519; Min. full depth 0,415

Material Alloy Steel 4130 per AMS 6370

Finish Cadmium Plated per AMS-QQ-P-416 Type 2, Class 3 & SFL per SAE AS5272

Temperature range Up to 450+°F

Heat treat RC 25-34

Magnetic YES

Recommended swage and drive tool CSHTL428

Recommended tap-through tool TTI0343

Recommended blind tap tool TBI0343

Recommended step drill tool CSD0302

Recommended removal tool CSHRT428

Recommended after-swage gage CSHASG428

Recommended serration gage CSHSG428