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U Bolts Manufacturers. Buy Top Quality Stainless Steel & Special Alloy U Bolts at Best Prices!

U Bolts


U Bolts Manufacturers & Suppliers in India – Buy Top Quality U Bolts at Factory Prices!

Metline is a leading manufacturer of “U bolts” in multiple sizes and lengths as per ASTM A193, ASTM A320, ASTM A325, ASTM A307B, and ASTM A490. We offer U bolts in materials such as ASTM A193 Grade B8M, Inconel, Monel, Titanium and Other Special Alloys. U-bolts are bolts that are shaped in the letter U. They can come either round (curved at the bottom) or square bent.

  1. GRADE: SS 304 U Bolts
  2. GRADE SS 316 U Bolts
  3. Duplex & Super Duplex U Bolts
  4. HIGH TENSILE U Bolts in Gr. 8.8 / Gr. 10.9
  5. MILD STEEL U Bolts in Gr. 4.6 / Gr. 5.6
  6. Hot Dip Galvanised U Bolts
  7. Round Bend U Bolts, Square Bend U Bolts

U-bolts are u-shaped bolts with two machine-threaded ends. These bolts include attached nuts and plates. U-bolts can be used to support pipework and plates.

Additional information


A U-bolt is a bolt in the shape of the letter U with screw threads on both ends.

Manufacturing Standards

ASTM 193, ASTM 320, ASTM 325, ASTM 490, ASTM 307, ISO:898 / IS-1367

ASTM 193

B5, B6,B7, B7M, B16
B8M CLASS 1 & 2
B8 CLASS 1 & 2
B8C, B8T

ASTM 320

L7, L7A, L7B, L7C, L43
B8 CLASS 1 & 2B8M CLASS 1 & 2
B8F, B8T

ASTM 325

TYPE – 1, 2, 3

ASTM 490

TYPE – 1, 2, 3

ASTM 307

GR – A, B

ISO:898 / IS-1367

GR – 4.6, 5.6, 8.8, 10.9, 12. 9

Diameter Size

M06 to M150


30 mm to 2000 mm, Custom Lengths


Mild Steel, Stainless Steel, Carbon Steel, Alloy Steel, Brass, Copper, Duplex & Super Duplex Nuts, Aluminium, Hastelloy, Incoloy, Inconel, Monel.

Surface Finish

Blackening, Cadmium Zinc plated, Galvanized, Hot Dip Galvanized, Nickel Plated, Buffing


Metric, BSW, BSF, UNC, UNF, and as per costumers requirement

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