AN4-51A BOLT

AN4-51A BOLT
AN4 BOLTS 1/4-28 UNDRILLED

Hex head, grade 8, aircraft bolts, made of high-strength alloy steel (type 8740 most commonly used).
Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3.
Available drilled shank for cotter pin or undrilled for stop nut, and with or without drilled head for safety wire.

Undrilled shank = letter "A" after the dash number (AN4-10A)
Drilled head = letter "H" after the AN number (AN4H-10) 

Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded).


Bolts are Cad I (silver color) unless indicated by an * which are Cad II (gold color)
1257
DIA / THREAD NOMINAL LENGTH GRIP LENGTH PART #
1/4" - 28 5-5/32 4-11/16 AN4-51A
Our Price: $5.50 ea


Code: AN4-51A

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