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Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji

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  • Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji
  • Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji
  • Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji
  • Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji
  • Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji

Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji

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We offer great strength in quality and development,merchandising,sales and marketing and operation for High Tensile Bolts , M10 Bolt 100mm , Carriage Head Bolt , To learn more about what we can do for you, contact us at any time. We look forward to establishing good and long-term business relationships with you.
Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji Detail:

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QUICK Response

QUICK Quotation

QUICK Delivery

READY TO SHIP DELIVERY

10000+ SKU in warehouse

We Commit for RTS items:

70% items delivered within 5 days

80% items delivered within 7 days

90% items delivered within 10 days

Bulk orders, please contact customer service

Flange Bolt Black oxide 6
图片1

d M5 M6 M8 M10 M12 M14 M16 M20
P Pitch Coarse 0.8 1 1.25 1.5 1.75 2 2 2.5
Fine thread1 / / 1 1.25 1.5 1.5 1.5 1.5
Fine thread2 / / / 1 1.25 / / /
b L≤125 16 18 22 26 30 34 38 46
125＜L≤200 / / 28 32 36 40 44 52
L＞200 / / / / / / 57 65
c Min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
da Type A Max 5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4
Type B Max 6.2 7.4 10 12.6 15.2 17.7 20.7 25.7
dc Max 11.8 14.2 18 22.3 26.6 30.5 35 43
ds Max 5 6 8 10 12 14 16 20
Min 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
du Max 5.5 6.6 9 11 13.5 15.5 17.5 22
dw Min 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
e Min 8.71 10.95 14.26 16.5 17.62 19.86 23.15 29.87
f Max 1.4 2 2 2 3 3 3 4
k Max 5.4 6.6 8.1 9.2 11.5 12.8 14.4 17.1
k1 Min 2 2.5 3.2 3.6 4.6 5.1 5.8 6.8
r1 Min 0.25 0.4 0.4 0.4 0.6 0.6 0.6 0.8
r2 Max 0.3 0.4 0.5 0.6 0.7 0.9 1 1.2
r3 Min 0.1 0.1 0.15 0.2 0.25 0.3 0.35 0.4
r4 ≈ 3 3.4 4.3 4.3 6.4 6.4 6.4 8.5
s Max=Nominal 8 10 13 15 16 18 21 27
Min 7.78 9.78 12.73 14.73 15.73 17.73 20.67 26.67

Detail description

Flange Bolt Black oxide 7
black flange bolt Din6921

Flange bolts. According to the thread classification of Metric standard and ASME standard, according to the head shape it has flat head and concave head.  Flat bottom and serrated bottom can be assigned according to the appearance of the bottom of the head.  The common grade is 8.8, 10.9 and 12.9, and the American grade is Grade 5 and Grade 8.  Materials are 304 stainless steel, 316 stainless steel, 35K, 45# steel, 10B21, 40Cr, 35CrMo, etc.  And we also provide customized service, the head side and flange diameter and head mark can be customized, the minimum order weight is 1000 kg or equivalent quantity.

Flange bolt is composed of hexagonal head and flange plate, its “support area to stress area word ratio” is greater than the ordinary bolt, so this bolt can bear higher preload, anti-loose performance is also better, so it is widely used in automobile engines, heavy machinery and other products.

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Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji detail pictures

Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji detail pictures

Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji detail pictures

Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji detail pictures

Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji detail pictures

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We've got quite possibly the most state-of-the-art production gear, experienced and qualified engineers and workers, acknowledged top quality handle systems along with a friendly expert gross sales group pre/after-sales support for Factory wholesale Brass Hex Bolts - DIN6921 Flange Bolt Carbon Steel Black Oxide Grade 8.8 10.9 12.9 – Hongji , The product will supply to all over the world, such as: Ottawa, Seychelles, Swiss, Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world
    • It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.
    5 Stars By Lena from Chile - 2018.02.08 16:45
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Gloria from Iran - 2017.07.07 13:00
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