China black oxide socket head bolts Manufacturers Factory Suppliers

Over the years, we have been adhering to the concept of 'professional, enterprising, and innovative', focusing on the field of bent anchor bolts, quenched and tempered socket head bolts, Hex Socket Cap Screws Din912, constantly innovating and developing, so as to offer better products and comfortable experience to users. The pursue of the company, is the clients' satisfaction for black oxide socket head bolts. We offer comprehensive support and guidance to our clients throughout the entire sourcing and exporting process. We will chase the standard and create the standard as the main line, to reform and attack as a grip, highlight the key points and break the difficult points. We always insist on standing at the forefront of the international industry, always pursuing internationalization, standardized management, honesty, and high-quality products. Over the years, consumers and peers have had a good comprehensive evaluation and recognition of our company's brand identity and cultural value. Our corporate spirit is people-oriented, unity and cooperation. Our development strategy is to build a super first-class brand with high technology content and high service level. We meet the needs of customers and economic and social requirements by continuously improving product quality, increasing the variety of specifications and expanding production capacity.

Cup Head Socket Screws

Product: Cup head socket screws , socket head cap screws
Standard: GB/T 70 iso 4762 ASME/ANSI B 18.3
Raw material: Q235,10B21 10B33 35K 45K 40CR,35CRMO etc.
Surface:...

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Step Bolts

Product: roof head square neck bolts din603
Standard: ASME/ANSI B 18.5 - 2008
Raw material: Q235,10B21 10B33 35K 45K 40CR,etc.
Surface: zinc plated,black oxide,H.D.G,etc....

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DIN6914 HEAVY HEX Bolts

Product: STEEL STRUCTURE BOLTS
Standard: DIN6914/EN14399-4
Material:40CR, 35CRMO, 42CRMO, alloy structural steel
Surface: black oxide, H.D.G, Dacromet, Phosphated...

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Din931 Din933 Hex Bolts

Product: HEX BOLTS
Standard: DIN931 DIN933
Raw material: Q 235 SWRCH35K 10B21 10B33 SWRCH45K,40CR,42CRMO,SS204 SS316 etc.
Surface: Plain,zinc plated,black oxide,H.D.G,etc....

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A325 A490 Heavy Hex Bolts

Product: HEAVY HEX BOLTS
Standard: ASTM A325/325M A490/A490M
Raw material: 35K 45K,40CR,35CRMO 42CRMO,etc.
Surface: Plain,zinc plated,black oxide,H.D.G,Teflon, Geomet,...

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Din 6921 Hex Flange Bolt

Product:HEX FLANGE BOLTS
Standard: DIN6921 ISO4162 EN1665
Raw material: Q235,35K, 45K 40Cr, 35CrMo, 42CrMo stainless steel (304/A2, 316/A4), etc.
Surface: Plain,zinc...

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Hex Socket Cap Screws Din912

Product: Hex socket cap screws , socket head cap screws
Standard: din912 iso 4762 ASTM449
Raw material: Q235,10B21 10B33 35K 45K 40CR,etc.
Surface: Plain,zinc plated,black...

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Carriage Bolts Din603

Product: round head square neck bolts din603
Standard: din603
Raw material: Q235,10B21 10B33 35K 45K 40CR,etc.
Surface: Plain,zinc plated,black oxide,H.D.G,etc....

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Din930/931 Hexagon Head BOLTS

Product: Hexagon Head Cap Screws
Standard: DIN 931 (Partial thread), DIN 933 (FULL thread)
Raw Materials: Carbon steel (10B21, 35K, 45K), alloy steel (40Cr, 42CrMo), stainless...

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Square Head Bolts

Product: square head bolts for industrial, construction, and mechanical fastening
Standard: ASME B18.2.1, DIN 558, ISO 4017 (customizable to regional standards)
Raw Material: Carbon...

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Jss Ii-09 High Strength Torque Type Bolts

Product: High Strength Torque Type Bolts
Standard: JSS II-09
Raw Materials: 40Cr, 35CrMo, 42CrMo, high-quality alloy structural steel
Surface Treatment: Plain, zinc plated,...

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Industrial Square Head Bolts

Product: square head bolts for industrial, construction, and mechanical fastening
Standard: ASME B18.2.1, DIN 558, ISO 4017 (customizable to regional standards)
Raw Material: Carbon...

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Reviews

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The customer service staff is particularly active in introducing the product, and I like the last product I purchased.

Robert Beus

We appreciate your engineers helping us solve a lot of technical problems.

Our commission should be to provide our customers and consumers with ideal top quality and aggressive portable digital products for high strength flat washers, load rated eye bolts. As one of the most experienced black oxide socket head bolts manufacturers and suppliers in China, we also support customized service. Please feel free to buy bulk high-grade black oxide socket head bolts made in China here from our factory. For quotation and price list, contact us now.