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All Stud Types on One Page

Thread engagement, unthreaded body length, end configuration and traceability are controlled around the connected equipment.

Stud Bolts - Nickel-alloy threaded studs for industrial flange connections
Standard
ASME B16.5 project dimensions, ASTM requirements or drawing
Configuration
Continuous thread with chamfered ends
Materials
Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing
Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Pressure-joint stud

Stud Bolts

Continuous-thread studs commonly paired with heavy hex nuts for flanged joints.

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Fully Threaded Studs - Nickel-alloy threaded studs for industrial flange connections
Standard
DIN 976, ASTM project requirements or drawing
Configuration
Full thread
Materials
Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing
Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Continuous-thread fastener

Fully Threaded Studs

Threaded across the full usable length for flexible engagement and positioning.

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Double-End Studs - Nickel-alloy threaded studs for industrial flange connections
Standard
DIN 939 or drawing
Configuration
Equal or unequal thread lengths
Materials
Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing
Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Dual-engagement stud

Double-End Studs

Threaded at both ends with a controlled plain shank between engagement zones.

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Threaded Rods - Nickel-alloy threaded studs for industrial flange connections
Standard
DIN 976, ASTM project requirements or drawing
Configuration
Full thread, cut ends
Materials
Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing
Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Long-form threaded stock

Threaded Rods

Long continuous-thread components cut and finished to the specified installation length.

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Tap-End Studs - Nickel-alloy threaded studs for industrial flange connections
Standard
ASME B18.31.2 or drawing
Configuration
Tap end and nut end
Materials
Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing
Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Asymmetric-engagement stud

Tap-End Studs

Machine studs with a short tap end and a nut end configured for equipment bodies.

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Custom Studs - Nickel-alloy threaded studs for industrial flange connections
Standard
Customer drawing and agreed specification
Configuration
Custom thread zones and end details
Materials
Inconel 625, Inconel 718, Hastelloy C-276, Alloy 20 and specified nickel-based alloys
Testing
Dimensional inspection; PMI, hardness, tensile or additional testing when specified

Drawing-based stud

Custom Studs

Special end forms, engagement lengths and unthreaded sections for proprietary equipment.

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Have a drawing or special requirement?

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