Gallery View: Customizable China-made bolts diverse, versatile

Global SourcesUpdated on 2023/12/01

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To match various applications, steel bolts can adopt buyer-specified materials, finishes and dimensions.

China bolt manufacturers’ selections are comprised of models that have various heads for different applications. Among the dominant types are hex, anchor and eye bolts that can be used to hold automotive parts, machinery and electrical equipment.

Steel is the leading material option for it can be applied with many types of surface treatments, including electro- or hot-dip galvanization, zinc and chrome plating, and dacromet coating for better rust resistance and durability. Some makers use up to grade 12 steel.

Suppliers welcome buyers’ input on the materials, overall bolt size, diameter, length, finishes and head and thread type. DIN, JIS, ANSI and GB are among the common standards makers’ releases comply with.

The products in this gallery represent current trends in bolts.

A3 steel bolt in various sizes

Changzhou Wujin Hutang Hongseng Machine Fittings Fty’s B1028 model is an A3 steel bolt with a 10.9 mechanical property grade. Available thread sizes are 12x1.5 or 1.25, 14x1.5 or 1.25, ½-20, and 7/16-20 to M9/16-18mm. Size can be buyer-specified. The surface can be zinc-, chrome-, dacromet-plated or subjected to color electrophoresis. The model has passed 72-hour neutral salt spray test and met TS16949:2009. MOQ is 5,000 pieces and FOB price is $0.342 per piece.

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Hex-head shoulder bolt

Suitable for automotive, electrical equipment and other machines is Dongguan City Ming-Tai Metal Electronics Co. Ltd’s model LM-015 hex-head shoulder bolt. It can be made of aluminum, copper, iron, stainless steel, aluminum alloy or plastic. Zinc, chrome and nickel plating, hot-dip galvanization and black oxide coating are the surface treatment options. Designs and sizes are customizable. Each piece is packed in a plastic bag and loaded in a carton box. MOQ is 10,000 pieces.

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Full-threaded carbon steel hex bolt

The full-threaded model M6 DIN 933 hex bolt offered by Dongguan Zhonggu Metal Co. Ltd measures M6x30mm. The material can be aluminum alloy, stainless steel, steel alloy or brass. Surface finish varies from blue or white zinc, black oxide to black nickel. The MOQ is 50,000 pieces. Eight plastic bags are packed in a 280x225x135mm carton that weighs 25kg.

Hex head bolt meets DIN 933 standard

The model ST2000 (D06) hex head bolt from Everbright Baosteel Co. Ltd meets DIN 933, 931, IFI C-10, GB5782 and GB5780 standards. Thread size ranges from M4 to M64. And the length can be 16 to 600mm. Minimum order is 1,000 pieces and the lead time is 30 days.

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Electrogalvanized hex bolt

Handan Ruiqiang Fasteners Mfg Co. Ltd's Zinc Hex Bolt-6935 model is electrogalvanized. It can be white or blue zinc-plated or hot-dip galvanized. Black variants are available as well. The hex bolt is made of Q235, Q195, 35K or carbon steel. Diameter can be between 6 and 36mm while the length is from 16 to 300mm. MOQ is 5 tons. FOB price ranges from $800 to $1,050 per ton.

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Square head

Hi-Tech Fastener Manufacturer (Dongguan) Co. Ltd offers the HT-CG0001-1 model M8x1.0x36mm square head bolt that can come in up to grade 12.9 steel, 302 stainless steel, aluminum or copper. The surface processing methods are zinc, zinc-nickel alloy, and electrophoresis and spray painting. The product meets RoHS standards. Customized sizes and designs are welcome. MOQ is5,000 pieces and the FOB price is $0.10.

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Zinc-plated wedge anchor bolt

Available in zinc-plated, hot-dip galvanized or plain variants is Ningbo Jiangdong TEQ Fastener Co. Ltd’s model NY2014062500-11 wedge anchor bolt. The model is made of steel or stainless steel. Metric size is between M6 and M24. Each model is assembled with a hex nut and a washer. The clip types can be round-, flat-end or double. The MOQ is 1 ton and the FOB price is $1,000 to $1,500 per ton.

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Double-head bolt

The FM00061#6029 model from Ningbo Zhenhai Fumei Set Screw Fty features a double-head. Aside from 304 steel, the material can be carbon steel or grade 6.8 to 12.9 steel alloys. The bolt’s size can be customized. The supplier requires an MOQ of 5,000 pieces. FOB price is $0.033 to $2.50. Lead time is 15 to 25 days depending on quantity.

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Carbon steel hex bolt

The JH DIN931 hex bolt from Wenzhou City Jinghong Fasteners Co. Ltd adopts 316 or 304 carbon steel. Size ranges from M2 to M30 but this can be buyer-specified. The model’s surface can be zinc-plated or blackened. The MOQ is 1,000 pieces and the price ranges from $0.01 to $0.10 per piece.

Flat plum flower-type head

The model Xinhuxia-108-13 bolt from Xiamen Xinhuxia Hardware Industry & Trade Co. Ltd features a flat plum flower-type head. The available materials for the model are stainless steel, carbon steel, iron, bronze, silver and silver alloy, aluminum. Buyers can choose from zinc-, nickel-plating and chrome-black anodized for the surface finish. The size ranges from M0.8 to M10 and can be buyer-specified. The bolt meets DIN, JIS, ANSI and other fastener standards. MOQ is 1,000 pieces.

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Carbon steel eye bolt

The model DIN 444 eye bolt offered by Yeahest Manufacture Ltd is made of carbon steel. Thread size is M20 while length is 100mm. The surface can be zinc-plated or black-oxide. COC, raw material reports and SGS can be provided for shipment. MOQ is 2,000 pieces.

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