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Stainless steel ANSI/ASME B 18.6.3 Flat head machine screw

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Stainless steel ANSI/ASME B 18.6.3 Flat head machine screw
Flat head machine screw
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Size:
4#-3/8
MOQ:
1000
Payment:
T/T OR L/ C
Delivery time:
3 -20days
Standard:
ANSI/ASME B 18.6.3
Material:
Stainless steel
Packing:
box+ carton+pallet
Sample:
free
Stock size:
4#-3/8
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螺纹尺寸4#5#6#6#8#8#10#12#
d







d公称0.1120.1250.1380.1380.1640.1640.190.216
PP粗牙/UNC4040323232322424
代号头部尺寸34455688
d1最大值0.1120.1250.1380.1380.1640.1640.190.216
最小值0.1060.1190.1310.1310.1570.1570.1810.207
(自攻/A型) 最大值0.1050.1180.1310.1310.1570.1570.1830.209
(自攻/其他类) 最小值0.1060.1190.1310.1310.1570.1570.1810.207
dk最大值0.1870.2120.2120.2370.2370.2620.3120.312
最小值0.1670.1910.1910.2150.2150.2380.2850.285
k参考值0.0520.060.0520.0680.0520.0690.0850.069
螺纹尺寸12#14# ④14# ④1月4日1月4日5月16日5月16日3月8日
d







d公称0.2160.2420.2420.250.250.31250.31250.375
PP粗牙/UNC24--2020181816
代号头部尺寸1010121012121月4日9月16日
d1最大值0.216--0.250.250.3120.3120.375
最小值0.207--0.240.240.3020.3020.364
(自攻/A型) 最大值0.2090.2350.235-----
(自攻/其他类) 最小值0.207--0.240.240.3020.3020.364
dk最大值0.3620.3620.4120.3620.4120.4120.4770.597
最小值0.3330.3330.380.3330.380.380.4420.556
k参考值0.1010.080.1120.080.1120.0750.1160.155




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APPLICATION IS INTRODUCED

definition
The definition of the hexagonal flat head screw refers to the hexagonal head, the head is a flat round head screw, the screw industry professional called the flat cup, a simple overview. It is also called a hexagonal round cup and a hexagonal flat head bolt. There are many names, but the content is the same.
Material
There are two kinds of hexagonal flat head screws. These two are commonly used materials, such as stainless steel and carbon steel. We generally refer to iron in carbon steel. Carbon steel is classified by grade hardness and has low carbon steel. Medium carbon steel, high carbon steel. Therefore, the strength level of the hexagonal flat head screw is 4.8, 8.8, 10.9, and 12.9.
plating
If the hexagonal flat head screw is iron, it is generally required to be electroplated. The electroplating is divided into environmental protection and non-environmental protection. Non-environmental protection is ordinary plating. Environmentally friendly, environmentally friendly blue zinc, environmentally friendly color zinc, environmentally friendly nickel, environmentally friendly white zinc, etc., non-environmental plating has black zinc, white zinc, color zinc, white nickel, black nickel, black.


PRODUCT MESSAGE

Users who place orders directly or by telephone through this product order can get a few samples of standard parts for free and enjoy corresponding discounts according to the order quantity

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