DIN7991 High Strength Hex Socket Head Cap Screw for Industry A bolt is a type of threaded fastener with an external male thread. Bolts are often confused with screws, but they are typically used in conjunction with nuts. A hex cap screw, on the other hand, has a hexagonal head and is designed to be driven by a wrench or spanner. The ASME B18.2.1 standard specifies tighter tolerances for hex cap screws compared to hex bolts, ensuring a more precise fit. Here is the detailed product information:
  • Model NO.: M4-M64
  • Type: Countersunk Head
  • Connection: Common Bolt
  • Standard: DIN, GB, ANSI, BSW, JIS, GOST
  • Available Material: High Strength Steel, Stainless Steel, Carbon Steel
  • International Standard: DIN, ANSI, GB, JIS, BSW, GOST
  • Used: Black Hex Bolt - Machinery, Building
  • Trademark: HN
  • Origin: China
  • Material: Carbon Steel
  • Groove: Hexagon
  • Head Style: Round
  • Grade: 10.9
  • Head Type: Hex
  • Class/Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
  • Surface Finishing: Hot DIP Galvanizing, Blu-White Zinc Plated
  • Specification: M2-M64
  • HS Code: 731815
Products name DIN7991 High Strength Hex Socket Head Cap Screw for Industry
Standard: DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
Material Stainless Steel: SS201, SS303, SS304, SS316, SS316L, SS904L, F593
Steel Grade: DIN: Gr. 4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr. 2, 5, 8; ASTM: 307A, 307B, A325, A394, A490, A449
Finishing Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodization, Nickel Plated, Zinc-Nickel Plated
Production Process M2-M24: Cold Forging; M24-M100: Hot Forging; Machining and CNC for Customized Fasteners
Customized Products Lead Time Busy Season: 15-30 Days; Slack Season: 10-15 Days
Stock Products Steel: 4.8 Grade DIN6923, 8.8 Grade, 10.9 Grade of GB5783 and GB5782; Stainless Steel: All DIN Standard Stainless Steel Bolt
Free Samples for Standard Fasteners
For more information visit: www.hainafastener.com
DIN7991 High Strength Hex Socket Head Cap Screw for Industry Service - Professional Manufacturer: All of our fasteners are designed and manufactured according to buyers' specifications and performance requirements. - Quality Guaranteed: Durability testing and advanced technical design to ensure long-lasting performance. - Cost Effective: Competitive pricing with direct factory supply. - Perfect Fastening Solution: With 20 years of experience, we provide a wide range of parts to meet your needs. - Customized Ideal Fasteners: We offer customized services based on samples or drawings provided by customers. - Need help? If you're unsure about what you need, feel free to contact us anytime for professional assistance.

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Henan Dongfanglong Machine Manufacture Co., Ltd , https://www.dfloilm.com