Request Information

100°, Flush Head Screw - Length: 1.219", Grip: 0.750", Thread: 1/4-28, Shear, Close Tolerance Screw, Alloy Steel

Detail Characteristic
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.204 INCHES MINIMUM AND 1.249 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 ALL TREATMENT RESPONSES
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.368 INCHES MINIMUM AND 0.514 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28

Welcome Back
Winback Offer

Unit of Measure

Discount Table - NAS517-4-12

Unit
Discount Price / %
500 - 999
$0.31
1000 - 2499
$0.30
2500 - 4999
$0.27
5000   and up
$0.26

Sold In

N/A EA

Inventory

 N/A {11489}

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 1.219 in

Grip

 N/A 0.750 in

Head Type

 N/A Flat

Head Angle

 N/A 100 º

Industry Standards/Certification

 N/A NAS517

Weight

 N/A 0.015 lb

NSN

 N/A 5305-00-637-7032

NIIN

 N/A 00-637-7032

Part # Unpunctuated

 N/A NAS517412

Minimum Order Note

 N/A Minimum order is 100. 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.