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EMANON PART NO.
MS51957-77
MS51957-77 is a screw in steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 384 or steel comp xm-7, passivate finish, 0.250 INCHES diameter and 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHMinimum 0.344 in; maximum 0.375 in
THREAD LENGTHMinimum 0.344 in; maximum 0.375 in
THREAD
THREAD0.250-20 unified national coarse (UNC)-2A right-hand
HEAD & DRIVE
HEAD HEIGHTMinimum 0.162 in; maximum 0.175 in
HEAD DIAMETER0.473–0.492 in
MATERIAL & FINISH
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 384 OR STEEL COMP XM-7
FINISHPASSIVATE
MECHANICAL
TENSILE STRENGTH80,000 psi
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
MS51957-77
Emanon is a stocking distributor — quality-system certifications are held by the certified manufacturers we source from, not by Emanon. Every shipment carries manufacturer certifications and full lot traceability.