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A193 B7 Heavy Hex Bolts Plain

A193 B7 Heavy Hex Bolts Plain


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A193 B7 Heavy Hex Bolts Plain

A193 B7 Heavy hex bolts offer a wider head than that of a standard hex bolt and are made of low-to-mid-carbon steel. The large head offers a greater bearing surface that distributes the clamping load over a greater area. Made of Alloy steel, AISI 4140/4142 quenched and tempered.

 
 A193 B7 Heavy Hex Bolts
Nominal
Size
or Basic
Product
Diameter
Body
Diameter
Width Across
Flats
Width Across
Corners
Head
Height
Thread
Length
Max. Min. Basic Max. Min. Max. Min. Basic Max. Min. Ref.
1/2 0.5000 0.515 0.482 7/8 0.875 0.850 1.010 0.969 5/16 0.323 0.302 1.00
5/8 0.6250 0.642 0.605 1- 1/16 1.062 1.031 1.227 1.175 25/64 0.403 0.378 1.25
3/4 0.7500 0.768 0.729 1- 1/4 1.250 1.212 1.443 1.383 15/32 0.483 0.455 1.38
7/8 0.8750 0.895 0.852 1- 7/16 1.438 1.394 1.660 1.589 35/64 0.563 0.531 1.50
1 1.0000 1.022 0.976 1- 5/8 1.625 1.575 1.876 1.796 39/64 0.627 0.591 1.75
1 1/8 1.1250 1.149 1.098 1- 13/16 1.812 1.756 2.093 2.002 11/16 0.718 0.658 2.00
1 1/4 1.2500 1.277 1.223 2 2.000 1.938 2.309 2.209 25/32 0.813 0.749 2.00
1 3/8 1.3750 1.404 1.345 2- 3/16 2.188 2.119 2.526 2.416 27/32 0.878 0.810 2.25
1 1/2 1.5000 1.531 1.470 2- 3/8 2.375 2.300 2.742 2.622 15/16 0.974 0.902 2.25

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    A194 2H Heavy Hex Nuts

    ASTM A194 Grade 2H 
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    A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H. Hot-Dip Galvanized material will meet or exceed ASTM A153 and/or ASTM F2329. Galvanized nuts are over tapped per ASTM A563. Typical hardness is HRC 24-35 for diameters up to 1 1/2 inches, HRB 95 - HRC 35 for diameters over 1 1 1/2 inches. Proof load strength is 175,000 psi.
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    F436 Flat Washers

    ASTM F436 
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    F436 flat washers are manufactured from carbon steel to meet or exceed ASTM F436. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A153 and/or ASTM F2329. Hardness for plain and zinc plated washers is HRC 38-45 and HRC 26-45 for hot-dip galvanized washers per ASTM F436.