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Fasteners · Foundation bolt · ASTM A193

SS 304 Foundation BoltASTM A193 · IS 5624 / project drawing · Manufacturer, stockist & exporter, India

AISI 304 · UNS S30400

An SS 304 foundation bolt is a heavy bolt set in concrete for machinery bases, made from SS 304 to ASTM A193 B8 · A194 8. Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.

  • ASTM A193
  • IS 5624 / project drawing
  • EN 10204 3.1 / 3.2
  • Export packing

Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026

Price & availability

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What is an SS 304 Foundation Bolt?

What it is
A heavy bolt set in concrete for machinery bases
Material
ASTM A193 B8 · A194 8
Dimensions
IS 5624 / project drawing
Grade
SS 304 · UNS S30400
Best at
General corrosion resistance, food, water and architectural work
heavy hex nutL — lengthd
TYPE · FOUNDATION BOLTMATL · ASTM A193DIM · IS 5624 / project drawingGRADE · 304

SS 304 Foundation Bolt Specification

ProductSS 304 Foundation Bolt
Material standardASTM A193 B8 · A194 8
Dimensional standardIS 5624 / project drawing
SizesM10 – M64 · ½" – 4" (others on request)
ThreadsUNC · UN-8 · metric coarse
TestingPMI · dimensional · NDT and IGC on request
DocumentsEN 10204 3.1 · 3.2 with third-party inspection

When to Choose a Foundation Bolt

Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.

  • Heavy diameters
  • Made to drawing
  • With nuts and plates

More on choosing: Foundation bolt guide.

SS 304 Foundation Bolt: Why 304 for foundation bolts

Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers. In SS 304, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.

Why this gradeStainless fasteners resist atmospheric and process corrosion. SS 304 is picked for general corrosion resistance, food, water and architectural work.
Typical serviceFood & dairy — Tanks, piping and equipment that must be cleaned daily.
BoltingASTM A193 B8 studs with A194 8 nuts

SS 304 Foundation Bolt Chemical Composition

ElementWeight %
Chromium17.5 – 19.5
Nickel8.0 – 10.5
Carbon0.07 max
Manganese2.00 max
Silicon0.75 max
Nitrogen0.10 max
Phosphorus0.045 max
Sulphur0.030 max

SS 304 Foundation Bolt Mechanical Properties

Annealed plate & sheetValue
Tensile strength515 MPa · 75 ksi
Yield strength 0.2%205 MPa · 30 ksi
Elongation40%
Hardness201 HB max

Full chemistry, properties and equivalents are on the SS 304 grade page.

SS 304 Foundation Bolts for export

FOB / CIF · Nhava Sheva (JNPT), Mumbai

SS 304 Foundation Bolt — questions buyers ask

Foundation bolt or anchor bolt?

The terms overlap; foundation bolts usually refer to heavy bolts for machinery bases.

What nut is used with SS 304 foundation bolts?

ASTM A194 8 heavy hex nuts.

Which standard covers SS 304 foundation bolts?

The material is ASTM A193 B8 · A194 8; dimensions follow IS 5624 / project drawing. Always state both on your purchase order, with the edition if your project specifies one.

What decides the price of a SS 304 foundation bolt?

The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.

What documents do you supply?

EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.

Reviewed by the technical team, Kanak Steel & Engineering Co.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026
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