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Slotted Countersunk Head Screws
  • Slotted Countersunk Head ScrewsSlotted Countersunk Head Screws

Slotted Countersunk Head Screws

Being a proficient manufacturer, DONGSHAO aims to offer you top-notch Slotted Countersunk Head Screws. We promise to provide you with the best after-sale support and prompt delivery.

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Product Description

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


The Slotted countersunk head screws produced by the company has smooth surface, no corrosion, no oxidation and other surface defects, corrosion resistance and long service life. A wide range of specifications for a wide range of installation needs. The product has good self-attack and adhesion, easy installation, good use effect. The slotted design is convenient for the screw to cut in, so that the screw and the fixed object are closely fitted, and the fixing force is enhanced. Our products are fine processed, beautiful in appearance, and the details are handled very well. We also attach great importance to packaging and transportation, using moisture-proof, earthquake-proof, bacteria-proof materials to ensure that products will not be damaged during transportation. 


Our company has perfect after-sales service and high reputation, can provide customers with professional after-sales support and first-class shopping experience.Slotted countersunk head screws are widely used in various occasions because of their characteristics. For example, in the connection of steel structure bolts, it is widely used because of its convenient installation and beautiful appearance. In precision machinery, due to its rich performance grades, product grades and other characteristics, it is also widely used. In addition, Slotted countersunk head screws are also commonly used in railway vehicles, construction engineering and other fields


Product Parameter

(mm) M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
P 0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
dk max 3 3.8 4.7 5.5 7.3 8.4 9.3 11.3 15.8 18.3
dk min 2.7 3.5 4.4 5.2 6.94 8.04 8.94 10.87 15.37 17.78
k max 1 1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
n max 0.6 0.7 0.8 1 1.2 1.51 1.51 1.91 2.31 2.81
n min 0.46 0.56 0.66 0.86 1.06 1.26 1.26 1.66 2.06 2.56
t max 0.5 0.6 0.75 0.85 1.2 1.3 1.4 1.6 2.3 2.6
t min 0.32 0.4 0.5 0.6 0.9 1 1.1 1.2 1.8 2




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