Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.438in. and 0.515in. ⁓33/64"
1.766in. and 1.812in. ⁓1-13/16"
hexagon
0.140in. and 0.172in. ⁓11/64"
0.428in. and 0.440in.
0.2487in. and 0.2492in.
0.250in. ⁓1/4"
1.297in. and 1.328in.
28
125000 pounds per square inch
26.0 rockwell c and 32.0 rockwell c
steel comp 431
MIL-S-18732 mil spec single material response
passivate
unf
On 08/11/2014 under contract SPE5E414VB159 for qty 349
Unf
Steel comp 431
28
1.297 inches minimum and 1.328 inches maximum
Hexagon
0.438 inches minimum and 0.515 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
unf thread series passivate surface treated 28 thread quantity per inch 1.297" grip length hexagon head style 0.438" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.