5305-01-287-6618
Find complete technical information, availability, and procurement data for: 5305-01-287-6618
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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.
1.375 inches nominal thread length, 1.420 inches minimum and 1.500 inches maximum fastener length, 2a thread class, hexagon head style, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.375 inches nominal
- Fastener Length
- 1.420 inches minimum and 1.500 inches maximum
- Head Style
- hexagon
- Head Height
- 0.348 inches minimum and 0.371 inches maximum
- Width Between Flats
- 0.798 inches minimum and 0.812 inches maximum
- Nominal Thread Diameter
- 0.562 inches
- Features Provided
- finished head
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 120000 pounds per square inch
- Hardness Rating
- 23.0 rockwell c minimum and 34.0 rockwell c maximum overall
- Part Name Assigned By Controlling Agency
- screw,cap,hexagon head
- Material
- steel overall
- Material Document And Classification
- sae j429 gr 5 assn std single material response overall
- Surface Treatment
- zinc and chromate overall
- Surface Treatment Document And Classification
- astm b633 ty 2,cl-fe/zn 13 assn std single treatment response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 1 type and 5 grade
FAQs
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