SR-621-0021

Imperial Large Inserts

Standard Type / A286P / Large

Installed using the Crownserts Hand-Installation Tool:  CST1018

SR-621-0021 is an imperial large insert in A286 alloy for 5/8-18 UNF threads in light alloys; 3/4-16 UNF external; install with CST1018. This is an old Anemo part. Please use CS1018A286P.

We can offer you the part SR-621-0021 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

SR-621-0021 - Imperial Large Inserts
SR-621-0021 - Imperial Large Inserts
SR-621-0021 - Imperial Large Inserts
SR-621-0021 - Imperial Large Inserts
 How to install a Crownsert?
SR-621-0021 - Imperial Large Inserts
SR-621-0021 - Imperial Large Inserts
SR-621-0021 - Imperial Large Inserts

Thread & Dimensions

A internal thread (Class 3B) 5/8-18 UNF
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-621-0021 schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO
Material note Only non-locking version available.

Tooling & Preparation

Hand-Installation tool part number CST1018
Step drill part number CSD0702
Tap through tool part number TTI0750
Blind tap tool part number TBI0750
Removal tool part number CSRT1011
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