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A307 Elevator Bolts

A307 Elevator Bolts


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A307 Elevator Bolts

Elevator Bolts are designed with a wide, countersunk flat head, commonly used in conveyor systems.

‡Length of an elevator bolt is measured from the top of the head to the extreme end of the bolt.
ANSI/ASME B18.5A307 Elevator Bolts
Nominal
Size
Body Diameter Head Diameter Head Height Square Width Square Depth
Max. Min. Max. Edge
Sharp
Min. Edge
Sharp
Min. Edge
Flat
Max. Min. Max. Min. Max. Min.`
1/4 0.260 0.237 1.008 0.969 0.938 0.098 0.078 0.280 0.245 0.219 0.188
5/16 0.324 0.298 1.227 1.188 1.157 0.114 0.094 0.342 0.307 0.250 0.219
3/8 0.388 0.360 1.352 1.312 1.272 0.145 0.125 0.405 0.368 0.250 0.219
Tolerance on Length Nominal Bolt Size Nominal Bolt Length
Up to 1 in., incl. Over 1 in. to 2-1/2 in.,
incl.
Over 2-1/2 in. to 4 in.,
incl.
1/4 thru 3/8 +0.02, -0.03 +0.02, -0.04 +0.04, -0.06
 

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    Grade 2 Finished Hex Nuts

    ASTM A563 Grade A 
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    Grade 2 Finished Hex Nuts are manufactured from low carbon steel, 1008-1010 for diameters up to 1 inch (cold-formed) and 1045 steel for diameters over 1 inch (hot-formed). Material is manufactured to meet or exceed ASTM A563 Grade A. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A563. Hot-Dip Galvanized nuts are over tapped per ASTM A563. Hardness requirements of HRB 68 - HRC 32 are met or exceeded. Proof load strength of 90,000 psi minimum is met for plain or zinc plated material, 68,000 psi for Hot-Dip Galvanized material.
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    USS Flat Washers

     
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    USS pattern flat washers are manufactured from low carbon steel to meet ASTM F844. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A153.