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Hex Head Screw - Length: 5/16", Thread: 4-40, Hex Head Screw, Cruciform Recess, Full Thread, Alloy Steel

Detail Characteristic
FASTENER LENGTH 0.296 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAD HEIGHT 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
HEAD STYLE HEXAGON
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER 0.112 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE
SCREW MATERIAL STEEL COMP E4340 OR STEEL COMP 8740
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENT CADMIUM AND CHROMATE
THREAD CLASS 3A
THREAD LENGTH 0.232 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
THREAD DIRECTION RIGHT-HAND
THREAD SERIES DESIGNATOR UNJC
THREAD QUANTITY PER INCH 40
SPECIFICATION/STANDARD DATA 80205-NAS1801 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM

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Unit of Measure

Discount Table - NAS1801-04-5

Unit
Discount Price / %
100 - 499
$0.34
500 - 999
$0.32
1000 - 2499
$0.31
2500   and up
$0.29

Sold In

N/A EA

Inventory

 N/A {4399}

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 4-40

Material

 N/A Steel Alloy

Length

 N/A 0.312 in

Head Type

 N/A Cruciform Recess

Thread Type

 N/A Full Thread

Industry Standards/Certification

 N/A NAS1801

Bolt Head Shape

 N/A Hexagon

Weight

 N/A 0.001 lb

Alternate Part Number

 N/A BACS12CB04-5

NSN

 N/A 5305-01-130-8986

NIIN

 N/A 01-130-8986

Part # Unpunctuated

 N/A NAS1801045

Minimum Order Note

 N/A Minimum order is 50. Must order in increments of 1.

Country of Origin

 N/A USA

Pre-Packaged Bag Quantity

 N/A 100

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.