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Fasteners are typically used for sealing of flanges, and are delivered from stock in any material grade and specification typically used within the oil & gas and construction industries.

Dimensional Range : From 3/8" (M8) up to 7" (M 160)

Designs : Main types: studbolts, headed bolts, hexagonal nuts, washers, anchor bolts, screws, hex plugs 
Special bolting solutions according to customer's requirement
Surface finish: black, cadmium
Fully / partly threaded - Color: Black, Green, Blue, Red and others

Materials : Carbon Steels
Low - Medium - High Alloy - Steels
Austenitic Stainless Steels
Martensitic Stainless Steels
Duplex - Superduplex
Titanium
Monel® - Hastelloy® - Inconel®
Copper - Berillium

Common specifications stud bolts(hex head screws : ASTM A 193 B7, B7M, B8, B8M and B16 (high temperature service)
ASTM A 320 L7 and L43 low temperature service)
ASTM A 182 F51 and F55 (duplex, superduplex)

Common specifications hex nuts : ASTM A 194 2H, 2HM, 3, 4, 7, 7M, 8, 8M (high and low temperature service)
ASTM A 182 F51 and F53 (duplex, superduplex)

Coatings : Electro zinc galvanization
Hot dip galvanization
PTFE coating xylan / xylar
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