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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

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We stick to our enterprise spirit of "Quality, Performance, Innovation and Integrity". We purpose to create a lot more price for our prospects with our rich resources, innovative machinery, experienced workers and great products and services for Round Head Carriage Bolt , Hex Bolt Hex Cap Screw , Hex Flange Bolt , We sincerely hope to serve you and your business with a good start. If there is anything we can do for You, we shall be more than pleased to do so. Welcome to our factory for visit.
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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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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Yongnian Hongji
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Product 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

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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Persisting in "High good quality, Prompt Delivery, Aggressive Price", we've established long-term cooperation with shoppers from each overseas and domestically and get new and previous clients' high comments 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: Jamaica, Mali, Senegal, Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We're doing everything to supply our customers with best services and best solutions . We promise that we are going to be responsible all the way to the end once our services begin.
  • It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Amelia from Ecuador - 2018.11.06 10:04
    The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Zoe from Bahrain - 2018.05.13 17:00
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