SS316 Flange Bolt With Serrated
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SS316 Flange Bolt With Serrated

Material: Stainless steel 316

Grade: A4-70,A4-80

Finish: Plain

Standard: DIN6921

Certification: ISO9001

MOQ:1000PCS

Samples: Free

Place of Origin: Zhejiang China

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Product Details

 

Flange bolts have a circular edge under the head that acts like a washer to distribute loads. Standard, non-serrated flange bolts are also called frame bolts. Flange bolts are used in automobiles to secure outer casings protecting engines and transmissions. In plumbing, they secure pipe ends to ensure strong hold, regardless of materials in the ducts. Serrated flange bolts have teeth that grip surfaces for a tight hold. In electronics, flange bolts hold components together tightly to prevent particles from getting into devices. In hard-to-reach areas, flange bolts help install decks and overhead attachments more easily than regular bolts and washers. Long flange bolts are used to construct oil rigs, energy plants, and ships.

 

316 Chemical Composition(%)
Grade C≤ Mn≤ Si≤ S≤ P≤ Cr Ni Cu MO N
  0.017 0.98 0.25 0.0016 0.0414 16.23 10.08 0.32 2.06 0.037

 

316 Mechanical property
σb≥ σ0.2≥  δ5 (%)≥ Hardness(HB)(kgf/mm2)]
520(Mpa) 205(Mpa) 40%  ≤187 HRB≤90 HV ≤200

 

 

DIN6921
Screw Thread d Pitch   P k s
coarse thread Fine therad-1 Fine thread-2 min max
M6 1 / / 6.6 9.78 10
M8 1.25 1 / 8.1 12.73 13
M10 1.5 1.25 1 9.2 14.73 15
M12 1.75 1.5 1.25 11.5 15.73 16
M14 2 1.5 / 12.8 17.73 18
M16 2 1.5 / 14.4 20.67 21