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Fasteners · Hex bolt · ASTM B865

Monel K500 Hex BoltASTM B865 · ASME B18.2.1 · Manufacturer, stockist & exporter, India

Alloy K-500 · UNS N05500

A Monel K500 hex bolt is a bolt with a hexagonal head, made from Monel K500 to ASTM B865. Hex bolts join flanges, structures and equipment where one side is accessible for the head. Dimensions to ASME B18.2.1 or DIN 931 / 933.

  • ASTM B865
  • ASME B18.2.1
  • 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 a Monel K500 Hex Bolt?

What it is
A bolt with a hexagonal head
Material
ASTM B865
Dimensions
ASME B18.2.1 · DIN 931 / 933
Grade
Monel K500 · UNS N05500
Best at
High-strength pump shafts, bolting and springs in seawater
heavy hex nutL — lengthd
TYPE · HEX BOLTMATL · ASTM B865DIM · ASME B18.2.1GRADE · K500

Monel K500 Hex Bolt Specification

ProductMonel K500 Hex Bolt
Material standardASTM B865
Dimensional standardASME B18.2.1 · DIN 931 / 933
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 Hex Bolt

Hex bolts join flanges, structures and equipment where one side is accessible for the head. Dimensions to ASME B18.2.1 or DIN 931 / 933.

  • Partially or fully threaded
  • ASME B18.2.1 / DIN 931 / DIN 933
  • Supplied with nuts and washers

Monel K500 Hex Bolt Chemical Composition

ElementWeight %
Nickel (+Co)63.0 min
Copper27.0 – 33.0
Aluminium2.30 – 3.15
Titanium0.35 – 0.85
Iron2.0 max
Manganese1.5 max
Carbon0.25 max
Silicon0.5 max

Monel K500 Hex Bolt Mechanical Properties

Age-hardened barValue
Tensile strength965 MPa · 140 ksi
Yield strength 0.2%690 MPa · 100 ksi
Elongation20%

Full chemistry, properties and equivalents are on the Monel K500 grade page.

Monel K500 Hex Bolts for export

FOB / CIF · Nhava Sheva (JNPT), Mumbai

Monel K500 Hex Bolt — questions buyers ask

DIN 931 or DIN 933?

DIN 931 bolts are partly threaded; DIN 933 are fully threaded.

Which standard covers Monel K500 hex bolts?

The material is ASTM B865; dimensions follow ASME B18.2.1 · DIN 931 / 933. Always state both on your purchase order, with the edition if your project specifies one.

What decides the price of a Monel K500 hex 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.

Can you supply Monel K500 hex bolts to NACE MR0175?

Yes. Monel K500 is listed in NACE MR0175 / ISO 15156-3 within its limits; state NACE compliance on the order and it is confirmed on the certificate.

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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