100°, Flush Head Screw - Length: 0.531", Thread: 1/4-28, Shear, Close Tolerance Screw, Alloy Steel

Detail Characteristic
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.516 INCHES MINIMUM AND 0.561 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 8630
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.385 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28

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Unit of Measure

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Per Package

Inventory

Estimated Ship Date

Inventory Note

 Need additional stock? Call (844) 296-2137 or email

Weight

 0.01 lb

NSN

 5305-00-637-6949

NIIN

 00-637-6949

Part # Unpunctuated

 NAS51741

Minimum Order Note

 Minimum order is 25. Must order in increments of 1.

Country of Origin

 USA