Thin internal hex screws DIN7984-1985 12.9 10.9 8.8 HRC39-44 HRC32-39 HRC23-34 Alloy steel Alloy steel Carbon steel Black Oxide
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Thin internal hex screws DIN7984-1985 12.9 10.9 8.8 HRC39-44 HRC32-39 HRC23-34 Alloy steel Alloy steel Carbon steel Black Oxide

Thin internal hex screws DIN7984-1985 12.9 10.9 8.8 HRC39-44 HRC32-39 HRC23-34 Alloy steel Alloy steel Carbon steel Black Oxide
Pengchi Hardware (shandong) Co., Ltd. passed ISO9001:2008 quality management system certification, and actively prepared TS16949 quality system certification. At the same time, the company, in accordance with the requirements of national laboratory standards, is equipped with a full set of imported fastener quality testing instruments and professionals to strictly control and test the raw material procurement, finish milling, production and manufacturing, heat treatment, packaging and shipment and other processes. Ensure that each "XGP" screw can meet the technical standard requirements.
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 According To DIN7984-1985
Strength Grade 12.9 10.9 8.8
 Hardness HRC39-44 HRC32-39 HRC23-34
Material Alloy steel Alloy steel Carbon steel
 Class of thread 6g
Surface Treatment Black Oxide









UNIT:mm
Snail specificationsd M3 M4 M5 M6 M8 M10

'
p
0.5 0.7 0.8 1 1.25 1.5
dk Max=Nominal size 5.5 7 8.5 10 13 16
Min. 5.32 6.78 8.28 9.78 12.73 15.73
da 3.6 4.7 5.7 6.8 9.2 11.2

ds Max=Nominal size 3 4 5 6 8 11.2
Min. 2.86 3.82 4.82 5.82 7.78 9.78
e Min. 2.3 2.87 3.44 4.58 5.72 8.01
f Max. 0.51 0.6 0.6 0.68 1.02 1.02
k Max=Nominal size 2 2.8 3.5 4 5 6
Min. 1.86 2.66 3.32 3.82 4.82 5.82
r Min. 0.1 0.2 0.2 0.25 0.4 0.4
s Nominal size 2 2.5 3 4 5 7
Min. 2.02 2.52 3.02 4.02 5.02 7.025
Max. 2.1 2.6 3.1 4.12 5.14 7.175
t Nominal size 1.5 2.3 2.7 3 3.8 4.5
Min. 1.38 2.18 2.58 2.88 3.65 4.35
Min. 1.62 2.42 2.82 3.12 3.95 4.65
u Max. 0.3 0.4 0.5 0.6 0.8 1


Pengchi Hardware (shandong) Co., Ltd. passed ISO9001:2008 quality management system certification, and actively prepared TS16949 quality system certification. At the same time, the company, in accordance with the requirements of national laboratory standards, is equipped with a full set of imported fastener quality testing instruments and professionals to strictly control and test the raw material procurement, finish milling, production and manufacturing, heat treatment, packaging and shipment and other processes. Ensure that each "XGP" screw can meet the technical standard requirements.


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