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SR-621-0001

Imperial Large Inserts

Standard Type / P / Large

Installed using the Crownserts Hand-Installation Tool:  CST1011

SR-621-0001 repairs/reinforces 5/8-11 UNC imperial threads in Al/Mg or other non-ferrous materials; passivated 17-4PH stainless. Tap hole .703 45/64; install with CST1011. This is an old Anemo part. Please use CS1011P.

We can offer you the part SR-621-0001 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 5/8-11 UNC
B external thread (Class 3A) 3/4-16 UNF
Ø max minor special .6870
Ø C (+.008/-.002) .634
D (+.015/-.000) .145
F .620
G (±.010) .940
J (±1) 46
Through-hole preparation Min. full THD depth 1.248; Min. full depth .967
Blind-hole preparation Min. full THD depth 1.123; Min. full depth .967
SR-621-0001 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700
Temperature range -110°/+900°F
Heat treat RC 35-42
Magnetic YES
Material note Only non-locking version available.

Tooling & Preparation

Hand-Installation tool part number CST1011
Step drill part number CSD0702
Tap through tool part number TTI0750
Blind tap tool part number TBI0750
Removal tool part number CSRT1011