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Close Tolerance Bolt
Model 10404862
Quick Information about 10404862
3a thread class, steel comp 431 overall material, passivate overall surface treatment, unf thread series designator.
For pricing and availability of this close tolerance bolt submit the price quote form on the right.
Product Details
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NSN:5306-00-292-5872 (5306002925872)
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Thread Direction:Right-hand
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Thread Length:Between 0.437 inches and 0.516 inches
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Fastener Length:Between 1.265 inches and 1.312 inches
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Head Style:Hexagon
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Head Height:Between 0.140 inches and 0.172 inches
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Width Flats:Between 0.428 inches and 0.440 inches
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Grip Diameter:Between 0.2487 inches and 0.2492 inches
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Shank Diameter:0.070 inches first hole
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Thread Diameter:0.250 inches
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Grip Length:Between 0.796 inches and 0.828 inches
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Thready (tpi):28
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Min. (psi):125000 pounds per square inch
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Hardness Rating:26.0 rockwell c and 32.0 rockwell c
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Distance Center:1.124 inches first hole
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Surface Finish:63.0 microinches bearing surface of head
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Surface Finish:63.0 microinches grip
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Material Specification:Mil-s-18732 military specification single material response
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Schedule B Code:7318152000
Classification
Bolts and bolts and their nuts or washers exported in the same shipment
Definition Close Tolerance Bolt
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.
Part Identification
Part Materials
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