ASTM A193 Grade B7 Stud Bolts
Enviro Industrial supplies ASTM A193 Grade B7 stud bolts for demanding industrial and construction applications. Manufactured from chromium-molybdenum alloy steel and heat-treated for increased tensile and yield strength.

PTFE & Fluoropolymer Coatings
High-visibility colored Xylan / PTFE coating systems

Severe-Duty Coated Studs
Custom anti-corrosion barrier finishes with 2H nuts

Plain & Zinc Plated Finish
Bare alloy, clear zinc, and galvanized stud stock
Available Finishes & Coatings
Select the optimal coating to prevent environmental corrosion, thread galling, and facilitate rapid disassembly
Plain Finish (Bare Alloy)
Uncoated, heat-treated chromium-molybdenum alloy steel studs suitable for standard temperature industrial service where external coating is not specified.
White Zinc Plated
Provides clear or blue-bright zinc electroplated sacrificial corrosion protection for atmospheric indoor or moderate outdoor installations.
Yellow Cadmium Plated
Specialized cadmium coating offering high corrosion resistance, lubricity to prevent galling during torque-up, and chemical compatibility in harsh marine atmospheres.
Blue Xylan / PTFE Fluorocarbon Coated
Resin-bonded PTFE fluorocarbon coating providing superior chemical resistance, low friction coefficient for accurate make-up torque, and easy breakout during plant maintenance.
Hot-Dip Galvanized
Thick metallurgical zinc layer for maximum outdoor weathering resistance, offshore platforms, wastewater treatment, and exposed industrial infrastructure.
Your Trusted Source for B7 Stud Bolts
Enviro Industrial provides dependable B7 stud solutions to support industrial maintenance, construction, turnaround, and piping applications. Contact our Houston team to discuss available diameters (1/2" up to 4"+), custom cut lengths, coatings, and bundled 2H nuts.
- Complete Material Test Reports (MTRs) provided with heat lot traceability
- Domestic and approved import options available for client AML specs
- Full stud packs with matching 2H heavy hex nuts pre-bagged on request
