SR-750-0021

Imperial Large Inserts

Standard Type / A286P / Large

Installed using the Crownserts Hand-Installation Tool:  CST1216

SR-750-0021 is an imperial large insert in A286 alloy for 3/4-16 UNF threads in light alloys; 7/8-20 UNEF external; install with CST1216. This is an old Anemo part. Please use CS1216A286P.

We can offer you the part SR-750-0021 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

SR-750-0021 - Imperial Large Inserts
SR-750-0021 - Imperial Large Inserts
SR-750-0021 - Imperial Large Inserts
SR-750-0021 - Imperial Large Inserts
 How to install a Crownsert?
SR-750-0021 - Imperial Large Inserts
SR-750-0021 - Imperial Large Inserts
SR-750-0021 - Imperial Large Inserts

Thread & Dimensions

A internal thread (Class 3B) 3/4-16 UNF
B external thread (Class 3A) 7/8-20 UNEF
Ø max minor special .8240
Ø C (+.008/-.002) .756
D (+.015/-.000) .170
F .750
G (±.010) 1.120
J (±1) 44
Through-hole preparation Min. full THD depth 1.380; Min. full depth 1.155
Blind-hole preparation Min. full THD depth 1.280; Min. full depth 1.155
SR-750-0021 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 CST1216
Step drill part number CSD0836
Tap through tool part number TTI0875
Blind tap tool part number TBI0875
Removal tool part number CSRT1210
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