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Close Tolerance Bolt - Length: 1.675", Grip: 1.250", Thread: 1/4-28, Hex Head, Tension, Long Thread, Cadmium Plated Alloy Steel

Detail Characteristic
FASTENER LENGTH1.660 INCHES MINIMUM AND 1.690 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SINGLE SHEAR STRENGTH95000 POUNDS PER SQUARE INCH
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28
SPECIFICATION/STANDARD DATA80205-NAS6604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM

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Unit of Measure

Discount Table - NAS6604-20

Unit
Discount Price / %
100 - 499
$1.73
500 - 999
$1.70
1000 - 2499
$1.60
2500   and up
$1.46

Inventory

 N/A {5399}

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 0.2500-28

Length

 N/A 1.675 in

Grip

 N/A 1.250 in

Drilling

 N/A Undrilled Head

Grip Tolerance

 N/A ±0.010 in

Head Type

 N/A Hexagon

Industry Standards/Certification

 N/A NAS6604

Weight

 N/A 0.0025 lb

Alternate Part Number

 N/A NAS1304-20

NSN

 N/A 5306-01-186-1222

NIIN

 N/A 01-186-1222

Part # Unpunctuated

 N/A NAS660420

Minimum Order Note

 N/A Minimum order is 10. 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.