Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.509in. and 0.549in. ⁓9/16"
1.990in. and 2.010in. ⁓2-1/64"
double hexagon w/hole
0.320in. and 0.340in. ⁓11/32"
0.305in. and 0.313in.
0.428in. and 0.448in.
0.060in. and 0.070in.
0.070in. ⁓5/64"
0.2485in. and 0.2495in.
0.250in. ⁓1/4"
1.390in. and 1.410in.
4
drilled
28
24.0 rockwell c and 35.0 rockwell c
double hexagon longitudinal hole
32.0 microinches bearing surface of head
32.0 microinches grip
ams 5731 assn std single material response
unjf
Unjf
28
1.390 inches minimum and 1.410 inches maximum
0.070 inches
Double hexagon w/hole
0.509 inches minimum and 0.549 inches maximum
Right-hand
3a
FSC 5306 ⁓ Bolts
unjf thread series 28 thread quantity per inch 1.390" grip length 0.070" hole diameter double hexagon w/hole head style 0.509" 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.