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MS24693-C91

1/4-20 x 5/16 MS24693-C Phillips Flat 100 Degree F/T Machine Screw 300 Series S/S DFAR

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Description

thread: 1/4-20, length: 5/16", flat head

Specifications

Countersink Angle Between 99.0 degrees and 101.0 degrees
Drive Phillips
Fastener Length Between 0.281 inches and 0.312 inches
Finish Plain
Head Diameter Between 0.442 inches and 0.507 inches
Head Style 100 Degree Flat Head, Flat countersunk
Internal Drive Style Cross recess type 1
Length 5/16
Material CRES
Min. Tensile Strength (psi) 80000 pounds per square inch
Nondefinitive Specification/Std Data 3 type and 3c style
Screw Material Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Screw Material Specification 66 federal standard all material responses
Screw Surface Treatment Passivate
Screw Surface Treatment Specification Qq-p-35 federal specification single treatment response
Size 1/4-20
Thread Class 2a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.071 inches and 0.202 inches
Thread Qty Per Inch (tpi) 20
Thread Series Designator Unc (coarse thread)

Cross-reference

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Catalog data updated 2026-07-05. Report a data error