Fasteners · IS 5624 / project drawing
Foundation Bolt — IS 5624 / project drawing
Foundation bolt — a heavy bolt set in concrete for machinery bases. Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.
- IS 5624 / project drawing
- 18 grades
- EN 10204 3.1 / 3.2
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
Foundation Bolt: What to Know Before Ordering
- Heavy diameters
- Made to drawing
- With nuts and plates
Foundation Bolt Materials & Grades
| Grade | Material standard | Best for |
|---|---|---|
| Inconel 825 foundation bolt | ASTM B425 | Sulphuric and phosphoric acid service, chloride stress-corrosion cracking and sour gas |
| SS 904L foundation bolt | ASTM B649 | Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water |
| SS 304 foundation bolt | ASTM A193 B8 · A194 8 | General corrosion resistance, food, water and architectural work |
| SS 304L foundation bolt | ASTM A193 B8 · A194 8 | Welded tanks, piping and vessels in general corrosive service |
| SS 310 / 310S foundation bolt | ASTM A276 / A479 | Furnaces, burners and heat treatment at high temperature |
| SS 316 / 316L foundation bolt | ASTM A193 B8M · A194 8M | Chloride-bearing process fluids, marine air and pharmaceutical service |
| SS 321 foundation bolt | ASTM A193 B8T | High-temperature service between 425 and 815 °C |
| SS 347 foundation bolt | ASTM A193 B8C | Welded high-temperature piping in refineries and power plants |
| Duplex 2205 foundation bolt | ASTM A276 / A479 | Strength with chloride resistance at a stainless-steel budget |
| Super Duplex 2507 foundation bolt | ASTM A276 / A479 | Seawater and high-chloride service where strength also matters |
| Inconel 600 foundation bolt | ASTM B166 | High-temperature oxidation, caustic and nuclear service |
| Inconel 625 foundation bolt | ASTM B446 | Seawater, high strength and high temperature in one alloy |
| Inconel 718 foundation bolt | ASTM B637 | Very high strength at temperatures up to about 650 °C |
| Incoloy 800 / 800H / 800HT foundation bolt | ASTM B408 | Furnaces, petrochemical heaters and high-temperature piping |
| Hastelloy C276 foundation bolt | ASTM B574 | The most aggressive mixed acids, wet chlorine and hypochlorite |
| Hastelloy C22 foundation bolt | ASTM B574 | Mixed oxidising and reducing acids, and weld overlays |
| Monel 400 foundation bolt | ASTM B164 | Seawater, hydrofluoric acid and marine service |
| Monel K500 foundation bolt | ASTM B865 | High-strength pump shafts, bolting and springs in seawater |
Other fasteners
Stud boltA fully threaded rod supplied with two heavy hex nuts.Hex boltA bolt with a hexagonal head.Heavy hex nutA thicker and wider hexagon nut for pressure bolting.Hex nutA standard hexagon nut.WasherA flat or spring ring that spreads bolt load.Threaded rodA continuously threaded bar cut to length.U-boltA U-shaped bolt for clamping pipes to supports.Eye boltA bolt with a loop head for lifting or anchoring.Anchor boltA bolt that fixes structures or equipment to concrete.Socket head cap screwA screw with a cylindrical head and hexagon socket.Machine screwA small-diameter screw for equipment assembly.
Foundation bolt — questions buyers ask
Foundation bolt or anchor bolt?
The terms overlap; foundation bolts usually refer to heavy bolts for machinery bases.
Which grades are foundation bolts available in?
Inconel 825, SS 904L, SS 304, SS 304L, SS 310 / 310S, SS 316 / 316L, SS 321, SS 347, Duplex 2205, Super Duplex 2507, Inconel 600, Inconel 625, Inconel 718, Incoloy 800 / 800H / 800HT, Hastelloy C276, Hastelloy C22, Monel 400, Monel K500.
Which standard covers foundation bolt dimensions?
IS 5624 / project drawing. The material standard depends on the grade.
India · Gulf · South-East Asia · South America · Europe · USA · UKSend your foundation bolt requirement today.
Start RFQ