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Hexagon Head Tapping Screws
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Hexagon Head Tapping Screws

DONGSHAO is China manufacturer & supplier who mainly produces Hexagon Head Tapping Screws with many years of experience. Hope to build business relationship with you.

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Product Description

Hebei Dongshao Fastener Manufacturing Co., Ltd. is a well-known supplier and manufacturer of Hexagon head tapping screws in China.


The hexagonal head design of the Hexagon head tapping screws manufactured by the company can better transfer the torque to the thread, so that the screw is set and better fixed in the position, which is not easy to loose;Hexagon head tapping screws has the characteristics of strong self-tapping performance, through its own tooth shape structure directly swept into the workpiece, convenient and fast operation, high reliability, no need for pre-drilling, suitable for the occasion that can not be pre-drilled.


The plow drill point of the Hexagon head tapping screws has a stronger self-tapping force and can better drill through the required mounting plate without the need for pre-drilling.Hexagon head tapping screws have a wide range of applications in many fields, including electrical appliances, toys, furniture manufacturing, building materials fixation. Its installation is simple, drilling, tapping, fixing, locking can be completed at one time, generally with an electric screwdriver after drilling and screwing in. In addition, the self-tapping screw also has the characteristics of corrosion resistance, high surface hardness, good core toughness, etc., so that it can maintain good fastening performance in outdoor occasions and wet environments.


Product Parameter

(mm) ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P 0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
a max 0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
da max 2.8 3.5 4.1 4.9 5.5 6.3 7.1 9.2 10.7
s max 3.2 5 5.5 7 8 8 10 13 16
s min 3.02 4.82 5.32 6.78 7.78 7.78 9.78 12.73 15.73
c min 3.38 5.4 5.96 7.59 8.71 8.71 10.95 14.26 17.62
k max 1.6 2.3 2.6 3 3.8 4.1 4.7 6 7.5
k min 1.3 2 2.3 2.6 3.3 3.6 4.1 5.2 6.5
r min 0.1 0.1 0.1 0.2 0.2 0.25 0.25 0.4 0.4
d max 2.24 29 3.53 4.22 4.8 5.46 6.25 8 9.65
d min 2.1 2.76 3.35 4.04 4.62 5.28 6.03 7.78 9.43
d1 max 1.63 2.18 2.64 3.1 3.58 4.17 4.88 6.2 7.85
d1 min 1.52 2.08 2.51 2.95 3.43 3.99 4.7 5.99 7.59




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