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CSHL1018A286SP

Imperial Large Heavy-Duty Crownserts

CSH Series / Locking Type / A286SP / Large Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL1018

CSHL1018A286SP reinforces or repairs 5/8-18 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. A286 alloy with silver plating for demanding service, with .766 49/64 tap-hole guidance and CSHTL1018 hand installation tooling.

Crownserts can offer you the part CSHL1018A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 5/8-18 UNF
B external thread (Class 3A) 13/16-20 UNJEF
Ø max minor special .7547
Ø C (+.008/-.002) .714
D (+.015/-.000) .145
E ref .534
G (±.010) .937
Through-hole preparation Min. full depth 0,972
Blind-hole preparation Min. full depth 0,972
CSHL1018A286SP schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & Silver Plated per AMS 2411 (.0002 min. thickness)
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO

Tooling & Preparation

Hand-installation tool part number CSHTL1018
Step drill part number CSD0766
Tap through tool part number TTI0812
Blind tap tool part number TBI0812
Removal tool part number CSHRT1018

Crownserts is offering part CSHL1018A286SP as factory new.