We offer a comprehensive range of mushroom head square neck bolts, which is widely used in both marine as well as treated wood applications because of their heavy galvanization. Apart from that, mushroom head square neck bolts are also used in numerous other industries. These consist of rounded head with four nubs or fins, which prevent the bolt from turning in the timber. Backed by our experienced technical experts, we are capable of customizing these on the parameters of various grades, shapes, sizes and thickness.
Nickel alloy

• Standard - astm asme sb 160 164 425 166 446 574 472
• Grade - uns 2200 (nickel 200) uns 2201 (nickel 201), uns 4400 (monel 400), uns 8825 (inconel 825), uns 6600 (inconel 600) uns 6601 (inconel 601), uns 6625 (inconel 625), uns 10276 (hastelloy c 276), uns 8020 (alloy 20 20 cb 3)

Stainless steel

• Standard - astm asme asa 193 194
• Grade - b 8 (304), b 8c (ss 347), b 8m (ss 316), b 8 t (ss 321), a 2, a 4

Alloy steel

• Standard - astm asme asa 193 194 gr.
• Grade - b 6, b 7 b 7m, b 16, 2, 2hm, 2h, gr 6, b 7, b 7m.

Duplex steel : uns no.s 31803, s 32205

We offer a comprehensive range of mushroom head square neck bolts, which is widely used in both marine as well as treated wood applications because of their heavy galvanization. Apart from that, mushroom head square neck bolts are also used in numerous other industries. These consist of rounded head with four nubs or fins, which prevent the bolt from turning in the timber. Backed by our experienced technical experts, we are capable of customizing these on the parameters of various grades, shapes, sizes and thickness.
Nickel alloy

• Standard - astm asme sb 160 164 425 166 446 574 472
• Grade - uns 2200 (nickel 200) uns 2201 (nickel 201), uns 4400 (monel 400), uns 8825 (inconel 825), uns 6600 (inconel 600) uns 6601 (inconel 601), uns 6625 (inconel 625), uns 10276 (hastelloy c 276), uns 8020 (alloy 20 20 cb 3)

Stainless steel

• Standard - astm asme asa 193 194
• Grade - b 8 (304), b 8c (ss 347), b 8m (ss 316), b 8 t (ss 321), a 2, a 4

Alloy steel

• Standard - astm asme asa 193 194 gr.
• Grade - b 6, b 7 b 7m, b 16, 2, 2hm, 2h, gr 6, b 7, b 7m.

Duplex steel : uns no.s 31803, s 32205