SR-500-0004

Imperial Structural Standard Inserts

Standard Type / SP / Structural

Installed using the Crownserts Hand-Installation Tool:  CST820

SR-500-0004 repairs/reinforces 1/2-20 UNF imperial threads in Al/Mg or other non-ferrous materials; silver-plated 17-4PH stainless. Tap hole .531 17/32; install with CST820. This is an old Anemo part. Please use CS820SP.

We can offer you the part SR-500-0004 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

SR-500-0004 - Imperial Structural Standard Inserts
SR-500-0004 - Imperial Structural Standard Inserts
SR-500-0004 - Imperial Structural Standard Inserts
SR-500-0004 - Imperial Structural Standard Inserts
 How to install a Crownsert?
SR-500-0004 - Imperial Structural Standard Inserts
SR-500-0004 - Imperial Structural Standard Inserts
SR-500-0004 - Imperial Structural Standard Inserts

Thread & Dimensions

A internal thread (Class 3B) 1/2-20 UNF
B external thread (Class 3A) 9/16-24 UNEF
Ø max minor special .5290
Ø C (+.008/-.002) .505
D (+.015/-.000) .135
F .490
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
SR-500-0004 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & Silver Plated per AMS 2411 (.0002 min. thickness)
Temperature range -110°/+900°F
Heat treat RC 35-42
Magnetic YES

Tooling & Preparation

Hand-Installation tool part number CST820
Step drill part number CSD0531
Tap through tool part number TTI0562
Blind tap tool part number TBI0562
Removal tool part number CSRT820
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