Fort Worth Gasket & Supply stocks domestic built bolts and nuts and will furnish a certification from the domestic factory when requested. We import directly from overseas plain, zinc plated, cad plated, hot dip galvanized hex machine bolts, cap screws, finished and heavy hex nuts, flat washers and fender washers. We also cut and stock low carbon, B7, and S/S all thread rods and studs. We stock brass water meter flanges and flange insulation kits. We package flange bolt sets with gaskets in a pizza style box, shrink wrapped or in individual boxes without the gasket.
ASTM A 307 GRADE A or B HEX BOLTS and ASTM A 563 A or B NUTS
Most bolted joints only require ASTM A 307 GRADE A or B HEX BOLTS and ASTM A 563 A or B NUTS. We ship a variety of flange bolt set sizes that conform to AWWA pipe size recommendations. All bolts and nuts meet the requested ASTM specification. Common specifications that we ship bolts and nuts against are SAE J 429 grade 5 and grade 8 (ASTM A 354-BD), ASTM A193, B7, B8, and A194, GD 2H, ASTM A307 Grade A / B and A563 Grade A / B, and ASTM A 325. We also assemble bolt sets using alloy steel such as S/S 316 and 304. Our bolts meet the ANSI / ASME general and dimensional standards B18.2.1, our nuts meet B18.2.2. specifications. Length and diameter of flange bolt sets conform to ASME 16.5 specifications. We can furnish other grades in the 300 and 400 series of stainless steel as well as brass and bronze. We furnish domestic built bolt sets when requested and will also furnish a certification from the factory when requested.
BOLTING PATTERNS and TORQUE VALUES
BOLT SIZES
BUTTERFLY VALVES