Request Information

Airframe Bolt, Drilled - Length: 2-21/32", Grip: 2-3/16", Thread: 1/4-28, Cadmium Plated Steel, Drilled Shank

Detail Characteristic
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.500 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH2.656 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.188 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4037 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.468 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM

Welcome Back
Winback Offer

Unit of Measure

Inventory

 N/A {824}

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

Length

 N/A 2-21/32 in

Grip

 N/A 2-3/16 in

Drilling

 N/A Drilled Head

Head Type

 N/A Hexagon

Industry Standards/Certification

 N/A AN4

Weight

 N/A .005 lb

NSN

 N/A 5306-00-151-1144

NIIN

 N/A 00-151-1144

Part # Unpunctuated

 N/A AN425

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.