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Black Square Bolt

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China Fastener Carbon Steel Zinc Plated Plain Black Stainless Steel Square Head Bolts and Nuts Big Bolt with Customized Size Hot Forged Bolt

China Fastener Carbon Steel Zinc Plated Plain Black Stainless Steel Square Head Bolts and Nuts Big Bolt with Customized Size Hot Forged Bolt

US $ 0.1 / Piece FOB
1,000 Pieces (MOQ)
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Zhanghe (Ningbo) Steel Structure Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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Customized Carbon Steel Black Oxide Square Countersunk Head Bolt

Customized Carbon Steel Black Oxide Square Countersunk Head Bolt

US $ 0.02-0.03 / Piece FOB
10,000 Pieces (MOQ)
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Guangdong Taiyuanfeng Metal Products Co., Ltd.

Guangdong, China Since 2024
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Four Round Corners T Bolts Square Head Carbon Steel Black Oxide M6 T Machine Bolt

Four Round Corners T Bolts Square Head Carbon Steel Black Oxide M6 T Machine Bolt

US $ 1-2 / Piece FOB
100,000 Pieces (MOQ)
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Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

Fujian, China Since 2011
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Black Marine Stainless Steel Cross-Slotted Mushroom Head Square Neck Carriage Screw Bolts

Black Marine Stainless Steel Cross-Slotted Mushroom Head Square Neck Carriage Screw Bolts

US $ 0.001-0.01 / Piece FOB
5,000 Pieces (MOQ)
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Ningbo Linork Metal Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
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Vodafast DIN 608 Flat Countersunk Square Neck Bolts Carriage Bolts Black

Vodafast DIN 608 Flat Countersunk Square Neck Bolts Carriage Bolts Black

US $ 0.08-0.1 / Piece FOB
100 Pieces (MOQ)
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Jiaxing Voda Fastener Co., Ltd.

Zhejiang, China Since 2013
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Grade 8.8 Black Oxide Carbon Steel T Head Square Neck Hammer Bolts

Grade 8.8 Black Oxide Carbon Steel T Head Square Neck Hammer Bolts

US $ 0.022-0.105 / Piece FOB
3,000 Pieces (MOQ)
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Guangzhou Eternal Fasteners Technology Co., Ltd

Guangdong, China Since 2024
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Grade12.9 T-Bolt with Nut and Wahser Black Square Head Bolt Mold Bolt

Grade12.9 T-Bolt with Nut and Wahser Black Square Head Bolt Mold Bolt

US $ 0.06-1 / Piece FOB
1,000 Pieces (MOQ)
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Chengdu Shiwei Jiecheng Machinery Technology Co., Ltd

Sichuan, China Since 2024
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Oxide Black Flat Countersunk Head Square Neck Carriage Bolts DIN605

Oxide Black Flat Countersunk Head Square Neck Carriage Bolts DIN605

US $ 0.006-0.009 / Piece FOB
100 Pieces (MOQ)
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SHANGHAI TENGRI METAL PRODUCTS CO., LTD.

Shanghai, China Since 2019
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Carbon Steel Black Oxide Coated Passivated Square Flat Head Bolt T Type Bolt

Carbon Steel Black Oxide Coated Passivated Square Flat Head Bolt T Type Bolt

US $ 0.01-0.1 / Piece FOB
1,000 Pieces (MOQ)
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Ningbo Anbor Hardware Co., Ltd.

Zhejiang, China Since 2024
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Carbon Steel Black Grade 4.8 / 8.8 DIN / ANSI Square Head Bolts

Carbon Steel Black Grade 4.8 / 8.8 DIN / ANSI Square Head Bolts

US $ 0.01-1 / Piece FOB
100 Pieces (MOQ)
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Shanghai G&T Industry Co., Ltd.

Trading Company

Shanghai, China Since 2020
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Black Oxide T Type Bolt Square Head Bolt Machine Bolt

Black Oxide T Type Bolt Square Head Bolt Machine Bolt

US $ 0.03-0.1 / Piece FOB
10,000 Pieces (MOQ)
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Shanghai Hengrui Industry Co., Ltd.

Shanghai, China Since 2020
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Black Oxide Carbon Steel Alloy Steel DIN 479 Square Head Bolt

Black Oxide Carbon Steel Alloy Steel DIN 479 Square Head Bolt

US $ 0.05-2 / Piece FOB
100 Pieces (MOQ)
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Jiaxing Grandfast Hardware Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Professional Factory Custom High Precision Full Thread Carbon Steel Black Zinc Square Neck Bolts

Professional Factory Custom High Precision Full Thread Carbon Steel Black Zinc Square Neck Bolts

US $ 0.1-0.5 / Piece FOB
10,000 Pieces (MOQ)
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Shenzhen Fulimei Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2019
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China Fastener Carbon Steel Zinc Plated Plain Black Stainless Steel Square Head Bolts and Nuts Big Bolt with Customized Size Hot Forged Bolt

China Fastener Carbon Steel Zinc Plated Plain Black Stainless Steel Square Head Bolts and Nuts Big Bolt with Customized Size Hot Forged Bolt

US $ 0.02-0.1 / Piece FOB
10,000 Pieces (MOQ)
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Tianjin Longshi Fasteners Co., Ltd.

Trading Company

Tianjin, China Since 2024
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Black Oxide DIN479 Square Head Bolts

Black Oxide DIN479 Square Head Bolts

US $ 0.1-1 / Piece FOB
1,000 Pieces (MOQ)
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WELLBOLT CO., LTD.

Zhejiang, China Since 2011
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High Strength Carriage Bolts Black Round Head Square Neck Bolt Non-Standard Customization

High Strength Carriage Bolts Black Round Head Square Neck Bolt Non-Standard Customization

US $ 0.3 / Piece FOB
10,000 Pieces (MOQ)
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SHUIFU HANYANG MACHINERY TECHNOLOGY CO., LTD

Trading Company

Yunnan, China Since 2022
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Steel Black Full Thread Square Head Machine Bolt

Steel Black Full Thread Square Head Machine Bolt

US $ 0.02-0.05 / Piece FOB
1,000 Pieces (MOQ)
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Yibang Machinery Technology (Handan) Co., Ltd

Manufacturer/Factory & Trading Company

Hebei, China Since 2023
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Square Head Knurled Bolt Double Thread Bolts Hex Bolts with Knurling Black Coating

Square Head Knurled Bolt Double Thread Bolts Hex Bolts with Knurling Black Coating

US $ 0.01-1 / Piece FOB
100,000 Pieces (MOQ)
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Shanghai Kinsom Precision Hardware Co., Ltd.

Shanghai, China Since 2017
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Carbon Steel Ball Mill Bucket Bolt Black Oxide Crusher Liner Screw Square Head Bucket Screw Hot Forging Bolts

Carbon Steel Ball Mill Bucket Bolt Black Oxide Crusher Liner Screw Square Head Bucket Screw Hot Forging Bolts

US $ 0.15-0.25 / Piece FOB
1,000 Pieces (MOQ)
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Hebei Yunchang Fastener Manufacturing Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2025
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Black Square Head Bolt T Head Bolt with Nuts

Black Square Head Bolt T Head Bolt with Nuts

US $ 0.03 / Piece FOB
1,000 Pieces (MOQ)
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Ningbo Kingli Fastener Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2013
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M6-M10 Grade 8 DIN603 Black Oxigen Mushroom Head Coach Bolts Square Neck Carriage Bolts for Mounting

M6-M10 Grade 8 DIN603 Black Oxigen Mushroom Head Coach Bolts Square Neck Carriage Bolts for Mounting

US $ 0.01-0.03 / Piece FOB
10 Pieces (MOQ)
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Shanghai Malaxy Industry Co., Ltd.

Shanghai, China Since 2024
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Black Carbon Steel Carriage Bolt Round Head Square Neck Bolt

Black Carbon Steel Carriage Bolt Round Head Square Neck Bolt

US $ 0.001-1 / Piece FOB
50,000 Pieces (MOQ)
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Guangdong Baize High Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
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Carbon Steel Square Head Bolt Surface Zp Black Yzp for Construction

Carbon Steel Square Head Bolt Surface Zp Black Yzp for Construction

US $ 680-1,200 / Ton FOB
1 Ton (MOQ)
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Handan Haoqiang Fasteners Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
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About Black Square Bolt FAQ

  • QWhat are the advantages of wholesale purchases for nuts in the industrial equipment and components sector?

    The Black Square Bolt is classified under our comprehensive Nut range.Opting for wholesale purchases of nuts offers cost savings, bulk availability, and streamlined inventory management. Buying in larger quantities allows for negotiated pricing and customized solutions. Work with a reputable supplier to ensure product quality and timely delivery for your business needs.

  • QWhat type of nuts are commonly used in the industrial equipment and components industry?

    The Black Square Bolt is a standout piece in our Nut collection.Nuts used in the industrial equipment and components industry vary from hex nuts to lock nuts, suitable for different applications. Understanding the specific requirements of your project helps in selecting the right type of nuts. Seek guidance from a professional supplier to ensure compatibility and quality.

  • QHow do I choose a reliable supplier for nuts in China?

    Upgrade your Nut with the elegant and durable Black Square Bolt.To select a trustworthy nut supplier in China, evaluate their experience, product quality, and certifications. Request samples and analyze pricing and lead times. Establish open communication and clear expectations with the supplier. Reliable partners ensure consistent quality and on-time delivery.

6-32 8-32 10-24 5/16-18 1/4-20 Square Head T Head Black Zinc Plated Screw Bolt

6-32 8-32 10-24 5/16-18 1/4-20 Square Head T Head Black Zinc Plated Screw Bolt

US $ 0.06-0.1 / Piece FOB
5,000 Pieces (MOQ)
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Audited Supplier
Huizhou ZeYao Hardware Products Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
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DIN 479 M6 M8 M10 M12 Black Oxide Square Head Bolts

DIN 479 M6 M8 M10 M12 Black Oxide Square Head Bolts

US $ 0.05-5 / Piece FOB
1,000 Pieces (MOQ)
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Audited Supplier
SHANGHAI TENGRI METAL PRODUCTS CO., LTD.

Shanghai, China Since 2019
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Q194b ASME B18.2.3.10m Square Head Bolts 10.9 Black Oxide Hot DIP Galvanized

Q194b ASME B18.2.3.10m Square Head Bolts 10.9 Black Oxide Hot DIP Galvanized

US $ 0.3-1 / Piece FOB
1,000 Pieces (MOQ)
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Shanghai G&T Industry Co., Ltd.

Trading Company

Shanghai, China Since 2020
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Stainless Steel Carbon Steel High Strength Customized Special Shaped T Head Neck Wheel Bolt Square Head Bolt Black Oxide

Stainless Steel Carbon Steel High Strength Customized Special Shaped T Head Neck Wheel Bolt Square Head Bolt Black Oxide

US $ 0.001-0.1 / Piece FOB
1,000 Pieces (MOQ)
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Fastener Group (Anhui) Co., Ltd

Manufacturer/Factory & Trading Company

Anhui, China Since 2023
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China Fasteners Black Round Countersunk Head Square Neck Plow Bolt

China Fasteners Black Round Countersunk Head Square Neck Plow Bolt

US $ 0.05-2 / Piece FOB
10,000 Pieces (MOQ)
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Shanghai Hengrui Industry Co., Ltd.

Shanghai, China Since 2020
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Flat Square Head Bolt T Bolt Black

Flat Square Head Bolt T Bolt Black

US $ 0.03 / Piece FOB
1,000 Pieces (MOQ)
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Ningbo Kingli Fastener Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2013
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China Manufacture Wholesale Price Black DIN603 Stainless Steel Round Head Square Neck Bolt Carriage Bolt

China Manufacture Wholesale Price Black DIN603 Stainless Steel Round Head Square Neck Bolt Carriage Bolt

US $ 0.02-0.05 / Piece FOB
500 Pieces (MOQ)
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Taizhou Hongchuang Hardware Co., Ltd.

Jiangsu, China Since 2021
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DIN603 Stainless Steel Mushroom Head, Square Neck Bolt with Black

DIN603 Stainless Steel Mushroom Head, Square Neck Bolt with Black

US $ 0.19-0.23 / Piece FOB
1,000 Pieces (MOQ)
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NINGBO YI PIAN HONG FASTENER CO., LTD.

Zhejiang, China Since 2016
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China Wholesale High Strength OEM Zinc Plated Black Carbon Steel Stainless Steel Square Head Bolt

China Wholesale High Strength OEM Zinc Plated Black Carbon Steel Stainless Steel Square Head Bolt

US $ 0.007-0.01 / Piece FOB
1 Piece (MOQ)
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EnPro Industries (Wuxi) Co., Ltd.

Jiangsu, China Since 2022
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Carriage Bolt Black DIN603 Round Head Shelf Screw High Precision Fastener Wholesale Square Neck Bolt Carriage Screw

Carriage Bolt Black DIN603 Round Head Shelf Screw High Precision Fastener Wholesale Square Neck Bolt Carriage Screw

US $ 0.12-0.25 / Piece FOB
1,000 Pieces (MOQ)
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Audited Supplier
Dongguan VG Fasteners Co., Ltd.

Guangdong, China Since 2024
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Stainless Steel Bolts, DIN608 Black Carbon Steel Carriage Bolts for Secure Fastening, Flat Countersunk Square Neck Bolt

Stainless Steel Bolts, DIN608 Black Carbon Steel Carriage Bolts for Secure Fastening, Flat Countersunk Square Neck Bolt

US $ 0.1 / Piece FOB
1 Piece (MOQ)
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Bolnut Fastener Co., Ltd

Trading Company

Jiangsu, China Since 2025
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ODM Black Finish Trailer Spring Round Square U-Bolt Kits

ODM Black Finish Trailer Spring Round Square U-Bolt Kits

US $ 3-6 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Haiyan Star Trailer Parts Co., Ltd.

Zhejiang, China Since 2024
Chat Now Send Inquiry
Black Oiled High Tensile Square Head Bolt for Connecting Rails

Black Oiled High Tensile Square Head Bolt for Connecting Rails

US $ 0.65-0.7 / Piece FOB
5,000 Pieces (MOQ)
Contact Supplier
Audited Supplier
Kunshan Signum Machinery Technology Co., Ltd.

Jiangsu, China Since 2018
Chat Now Send Inquiry
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