12th Floor, Office No 1201/4, Deira Twin Towers, Deira, Dubai, UAEsales@werkzwise.com+971 56 593 8382DUBAI · UNITED ARAB EMIRATES

Fasteners

Stud bolts · nuts · washers · B7 / 2H / L7

Bolting is the cheapest item on a flange joint and the most common reason it leaks. We supply matched stud and nut sets in the grade and coating the specification calls for.

Fasteners
Fasteners · Stud bolts · nuts · washers · B7 / 2H / L7
Types supplied

Configurations

Stud boltsFull thread with two heavy hex nuts, the standard flange bolting.
Hex and heavy hex boltsStructural and equipment fixing.
NutsHeavy hex, hex, lock and dome nuts.
WashersFlat, spring, taper and hardened.
Anchor and foundation boltsL, J and cast in place types.
Socket and set screwsMachine and equipment assembly.
Specification framework

Typical range

Size rangeM6 to M64, 1/4 inch to 3 inch diameter
Carbon and alloy gradesASTM A193 B7, B7M, B16; A320 L7, L7M for low temperature
Nut gradesASTM A194 2H, 2HM, 7, 7M, 8, 8M
Stainless gradesA2-70, A4-80, 316, duplex and super duplex
CoatingsPTFE (xylan), hot dip galvanised, zinc plated, cadmium, phosphate
ComplianceNACE MR0175 hardness controlled options

Use this as an RFQ checklist. Final technical compliance must be confirmed against your purchase specification and the offered manufacturer documentation.

Standards

Common references

ASTM A193 / A194ASTM A320ASME B18.2.1 / B18.2.2DIN 931 / 934ISO 4014 / 4032
Materials

Available grades

Related

Other product lines

Most enquiries cover more than one line. Send the whole list and we will price it together.

Request for quotation

Fasteners

Send it in any format, Excel, PDF, or a photo of a marked-up drawing. You get a technical response within one working day, not a brochure.

Or email sales@werkzwise.com · WhatsApp +971 56 593 8382