ASME B18.2.1 Bolts & Screws
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ASME B18.2.1
Hex Bolts
Imperial sized Part Threaded Hexagon Head Bolts from 1/4 to 4 Inch Diameter.
Heavy Hex Bolts
Imperial sized Part Threaded Heavy Hex Bolts from 3/8 to 3 Inch Diameter.
Hex Cap Screws
Imperial sized Part Threaded Hexagon Head Screws from 1/4 to 3 Inch Diameter.
Heavy Hex Screws
Imperial sized Part Threaded Heavy Hex Screws from 3/8 to 6 Inch Diameter.
Square Head Bolts
Imperial sized Square Head Bolts from 1/4 to 1-1/2 Inch Diameter.
Hex Flange Screws
Imperial sized Hexagon Head Flange Screws from 1/4 to 3/4 Inch Diameter.
Hex Lag Screws
Imperial sized Hexagon Head Lag Screws from No. 10 to 1-1/4 Inch Diameter.
Square Lag Screws
Imperial sized Square Head Lag Screws from No. 10 to 1-1/4 Inch Diameter.
Askew Head Bolts
Imperial sized Askew Head Bolts from 3/8 to 1 Inch Diameter.
Tolerance
Length tolerances for ASME B18.2.1 Bolts and Screws.