Request Information

Machine Screw - Pan Head - Length: 1/2", Thread: 1/4-28, Pan Head, Fully Threaded, Phillips Recess, Alloy Steel

Detail Characteristic
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740
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 LENGTH0.399 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28
SPECIFICATION/STANDARD DATA80205-NAS604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Welcome Back
Winback Offer

Unit of Measure

Discount Table - NAS604-8P

Unit
Discount Price / %
100 - 499
$0.22
500 - 999
$0.21
1000 - 2499
$0.20
2500   and up
$0.19

Sold In

N/A Per Package

Inventory

 N/A {27554}

Estimated Ship Date

 N/A Ships in 1 Business Day

Inventory Note

 N/A Need additional stock? Call (877) 920-1876 or email

Thread Size

 N/A 1/4-28

Material

 N/A Steel Alloy

Length

 N/A 1/2 in

Head Type

 N/A Pan

Thread Type

 N/A Full Thread

Industry Standards/Certification

 N/A NAS604

Weight

 N/A .005 lb

NSN

 N/A 5305-00-891-5521

NIIN

 N/A 00-891-5521

Part # Unpunctuated

 N/A NAS6048P

Minimum Order Note

 N/A Minimum order is 100. Must order in increments of 1.

Country of Origin

 N/A USA

Note

 N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.

California Residents

 N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.