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DIN7990 Hex Bolts for Steel Structures
DIN7990 Hex Bolts for Steel Structures

Hex Bolts for Steel Structures

1.Complies with ASTM A325/A490, DIN 6914, DIN 7990,GB/T 1231; structural specialized hex bolts

2.Material: Medium carbon/alloy steel, quenched & tempered; strength grades 4.8–12.9

3.Structure: Hex head + threaded shank (full/half thread), paired with high-strength nuts/washers

4.Surface treatments: Hot-dip galvanizing, electroplating

5.Size M12–M64, length 30–150mm (for thick steel plates)

Hexagon Flange Bolts with Serrated
High-quality hexagon flange bolt with serrated surface for secure fastening. Ideal for mechanical an.

Hexagon Flange Bolts with Serrated

  1. Complies with international standards such as DIN 6921, ISO 15072, and ASTM A325
  2. Features a one-piece structure integrating hexagon head, serrated flange, and threaded shank (full-thread or half-thread optional)
  3. Common materials include carbon steel (e.g., Q235, 45#), stainless steel (e.g., 304, 316), and alloy steel (e.g., 42CrMo)
  4. Strength grades range from 4.8 to 12.9, with high-strength variants undergoing quenching and tempering heat treatment
  5. Surface treatments include zinc plating, nickel plating, black oxide, or hot-dip galvanizing to enhance corrosion resistance
Hexagon Socket Head Cap Bolt with Serration
Hexagon Socket Head Cap Bolt with Serration

Hexagon Socket Head Cap Bolt with Serration

  1. Belongs to precision fasteners, integrating the functions of hexagon socket bolts and anti-loosening serrations
  2. Complies with international standards such as ISO 4762 and DIN 912, categorized as hexagon socket head cap bolts with serrated underhead
  3. Common materials include carbon steel (e.g., 45#), stainless steel (e.g., 304, 316), and alloy steel (e.g., 42CrMo)
  4. Strength grades range from 4.8 to 12.9, with high-strength variants undergoing quenching and tempering heat treatment
High Strength Hex Bolt
High Strength Hex Bolt

High Strength Heavy Hex Bolt

  1. Typically made from medium carbon steel or alloy steel
  2. With professional heat treatment applied to enhance strength
  3. Classified as high-strength bolts, manufactured in compliance with relevant international or industrial standards (e.g., ASTM, DIN, GB)
  4. Designed for matching use with nut
Knurled Cap Head Hex Socket Bolt
Knurled Cap Head Hex Socket Bolt

Knurled Cap Head Hex Socket Bolt

  1. Complies with international standards such as ISO 4762 (modified) and DIN 912 (knurled variant)
  2. Integrates a knurled cylindrical headand hexagon socket design, available in full-thread or half-thread configurations
  3. Common materials include carbon steel (e.g., 45#), stainless steel (e.g., 304, 316), and alloy steel (e.g., 42CrMo)
  4. Strength grades range from 4.8 to 12.9
  5. with high-strength variants undergoing heat treatment
M36-M64 Big Size Hex Bolt
M36-M64 Big Size Hex Bolt

M36-M64 Big Size Hex Bolt

  1. Typically made of high-quality alloy steel
  2. With quenching and tempering heat treatment to ensure mechanical performance
  3. Classified as heavy-duty high-strength bolts
  4. Belongs to large-size fasteners, designed for matching use with nuts of corresponding specifications
Socket Head Cap Screws/Bolts
Socket Head Cap Screws/Bolts

Socket Head Cap Screws/Bolts

  1. Complies with international standards such as ISO 4762, DIN 912, and ANSI B18.3
  2. Categorized as precision hexagon socket head cap fasteners
  3. Common materials include carbon steel (e.g., 45#), stainless steel (e.g., 304, 316), and alloy steel (e.g., 42CrMo)
  4. Belongs to versatile fasteners, available in full-thread or half-thread designs to meet different connection needs
  5. Strength grades range from 4.8 to 12.9
  6. With high-strength variants undergoing quenching and tempering heat treatment
Square Head T Bolt
Square Head T Bolt

Square Head T Bolt

  1. Complies with international standards such as DIN 787, ISO 1876, and ASTM A307
  2. Features a square headand T-shaped shank design, specifically tailored for sliding installation in T-slots
  3. Common materials include carbon steel (e.g., Q235, 45#), stainless steel (e.g., 304, 316), and alloy steel
  4. Strength grades typically range from 4.8 to 8.8
Torx Drive Hex Head Flange Bolts
Stainless steel Torx drive hex head flange bolts for mechanical assembly.

Torx Drive Hex Head Flange Bolts

  1. Complies with international standards such as ISO 14583, DIN 6921 (flange bolt base) and ISO 10664 (Torx drive)
  2. Integrating Torx drive, hex head, and flange design
  3. Belongs to high-precision fasteners, with a one-piece structure of hex head, flange (integrated washer), and Torx drive socket
  4. Common materials include carbon steel (e.g., 45#), stainless steel (e.g., 304, 316), and alloy steel (e.g., 42CrMo)
  5. Strength grades range from 4.8 to 12.9, with high-strength variants undergoing quenching and tempering heat treatment
  6. Surface treatments include zinc plating, nickel plating, black oxide, or hot-dip galvanizing to enhance corrosion resistance
U Bolt and Nuts Pipe Clamp
U bolt with nuts for pipe fastening and support.

U Bolt and Nuts Pipe Clamp

  1. Complies with international standards such as DIN 3570, ANSI C135.1, and ISO 3269, categorized as U-shaped fastener assemblies with matching nuts and pipe clamps
  2. Consists of a U-bolt(curved to fit pipe outer diameter), hex nuts, and pipe clamp plates (optional rubber-lined variants for protection)
  3. Common materials include carbon steel (e.g., Q235, 45#), stainless steel (e.g., 304, 316), and galvanized steel
  4. Surface treatments include hot-dip galvanizing, electroplating, or powder coating for corrosion resistance