Cooper and Turner Ltd manufacture, stock and distribute a highly engineered range of petro-chemical grade studbolt assemblies and fasteners developed specifically for critical applications in the petro chemical and processing Industries.

Our product range includes all grades of stud materials and heavy hexagonal nuts complying with ASTM specifications.

All material grades used in the petrochemical industry are catered for; materials generally available are released to both ASTM and ASME standards.

Forging Capacity

• Cold forge bolts from: M12 to M36 (½" - 1½")
• Hot forge bolts from: M12 to M100 (½" – 4")

Stud Bolts

We supply stud bolts for pressure vessels, valves, flanges and fittings.

• Studs M12 to M120 (½" - 5")

Petrochem bolts

• Threaded studs: B7 / L7 / B7M / L7M / B16 B8 / B8M Class 1 and Class 2 Stainless Steel
• Grades: 8.8, 10.9 & 12.9
• Finishes: Zinc plating; Zinc Nickel; Hot Dip Galvanizing; Sherardized; Delta; Mn / Zn Phosphating; Xylan.

Studs and Bolts

Petrochemical grades, stainless steel grades, exotic alloys: (nickel, brass, bronze, titanium), all threaded rod, low carbon studs, heavy hex bolts.

• Threaded studs: B7 / L7 / B7M / L7M / B16 B8 / B8M Class 1 and Class 2 Stainless Steel
• Grades: 8.8, 10.9 & 12.9
• Finishes: Zinc plating; Zinc Nickel; Hot Dip Galvanizing; Sherardized; Delta; Mn / Zn Phosphating; Xylan.

Nuts

Heavy hex, all materials and grades, industrial electroplating and specialty coatings.

• Nuts: 2H / 2HM / Gr4 / GR7 / 7M
• Finishes: Zinc plating; Zinc Nickel; Hot Dip Galvanizing; Sherardized; Delta; Mn /Zn Phosphating; Xylan.