Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.364in. and 0.414in. ⁓27/64"
1.061in. and 1.091in. ⁓1-3/32"
undercut hexagon
0.125in. and 0.140in. ⁓9/64"
0.430in. and 0.439in.
0.2485in. and 0.2495in.
0.250in. ⁓1/4"
0.678in. and 0.698in.
28
140000 pounds per square inch
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
steel comp E4340 or steel comp 4340 or steel comp 8740
cadmium and chromate
QQ-P-416, type 2, class 3 fed spec single treatment response
unjf
81205-BACB30Nf manufacturers standard
Unjf
Steel comp e4340 or steel comp 4340 or steel comp 8740
28
0.678 inches minimum and 0.698 inches maximum
Undercut hexagon
0.364 inches minimum and 0.414 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
unjf thread series cadmium surface treated 28 thread quantity per inch 0.678" grip length undercut hexagon head style 0.364" 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.