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- Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
- The minimum radius is one half of the value shown.
Unit of Measure
Specifications
Product |
N/A Round Head Bolts |
Unit of Measure |
N/A English |
Nominal Size or Basic Bolt Dia. |
N/A 5/16 in |
Nominal Size or Basic Bolt Dia. (Decimal) |
N/A 0.3125 in |
Max. Body Dia. (E) |
N/A 0.324 in |
Min. Body Dia. (E) |
N/A 0.298 in |
Max. Edge Sharp Head Dia. (A) |
N/A 1.227 in |
Min. Edge Sharp Head Dia. (A) |
N/A 1.188 in |
Min. Edge Flat Head Dia. (A) |
N/A 1.157 in |
Ref. Head Angle (C) |
N/A 9º |
Max. Flat on Min. Dia. Head (F) |
N/A 0.035 in |
Max. Head Height (H) |
N/A 0.114 in |
Min. Head Height (H) |
N/A 0.094 in |
Max. Square Width (O) |
N/A 0.342 in |
Min. Square Width (O) |
N/A 0.307 in |
Max. Square Depth (P) |
N/A 0.250 in |
Min. Square Depth (P) |
N/A 0.219 in |
Max. Corner Radius on Square (Q) |
N/A 0.031 in |
Max. Fillet Radius (R) |
N/A 0.031 in |
