A-286 Drilled 12 Point Head Aircraft Bolt 1/4-28 x 5/8" Silver Plated (17 Pcs)

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A-286 Drilled 12 Point Head Aircraft Bolt 1/4-28 x 5/8" Silver Plated (17 Pcs)

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TECHNICAL INFORMATION

AAJF	Thread Direction	Right-hand
AASA	Thread Length	0.615 inches minimum and 0.635 inches maximum
AASB	Fastener Length	0.615 inches minimum and 0.635 inches maximum
AASK	Head Style	Double hexagon extended washer
AASU	Head Height	0.320 inches minimum and 0.340 inches maximum
AATB	Width Between Flats	0.304 inches minimum and 0.313 inches maximum
AATC	Extended Washer Diameter	0.428 inches minimum and 0.448 inches maximum
AATD	Extended Washer Thickness	0.060 inches minimum and 0.070 inches maximum
AAUB	Hole Diameter	0.070 inches nominal
AHYM	Nominal Thread Diameter	0.250 inches
ASXK	Hole Quantity	4
BQDM	Hole Type	Drilled
CBBL	Features Provided	Finished head
CMLP	Thread Quantity per Inch	28
CQBC	Minimum Tensile Strength	85000 pounds per square inch
CQFM	Hardness Rating	24.0 rockwell C minimum overall and 36.0 rockwell C maximum overall
CRHC	Hole Configuration Style	Double hexagon longitudinal hole
MATT	Material	Iron alloy 660 overall
MDCL	Material Document and Classification	Ams 5732 assn std single material response overall
PRMT	Precious Material	Silver
SFTT	Surface Treatment	Silver overall
THSD	Thread Series Designator	UNF

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