| Note: |
ASTM A193 - B8 covers bolting material for pressure vessels, valves, flanges, and fittings for high temperature service. Bolt heads are to be in accordance with ANSI B18.2.1. Unless otherwise specified the Heavy Hex Screws Series should be used, except the maximum body diameter and radius of fillet may be the same as for the Heavey Hex Bolt Series. For sizes not covered in the Heavy Hex Series in ANSI B18.2.1, Hex Head Cap Screws shall be used.
Thread for diameters 1 1/8" and larger shall be the 8 pitch thread series.
Heads should be marked with the grade and manufacturer's identifications symbol.
Other sizes and lengths are availbale on application. Please consult your Infinity salesperson for prompt pricing and delivery information. |