Round Head Self-drilling Screws

Round Head Self-drilling Screws

    Short Introduction:

    Self-drilling screws are usually classified as self-tapping screws, which are also self-tapping teeth. The tail is different from ordinary screws. It is not a pointed tail, but like a drill bit. This kind of tail can drill holes by itself.

  • Size: M4.2-M4.8
  • Length: 13mm-60mm
  • Product label: Big round head self-drilling screws, Round head self-drilling screws, Round head self-tapping screws, Round head self-drilling screws, Round head self-drilling, Round head self-tapping
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Our Strengths

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1. 20-year-old factory, large inventory, timely delivery.

2. Strictly control the quality, ensure the qualified rate of products, and provide high-quality products.

3. Complete variety, can provide one-stop purchasing service.

Product Description

Many people are a little unclear about the round head and the pan head. In fact, there is still a big difference between the two.

The difference in appearance, the intuitive difference between stainless steel pan head screws and round head screws is that the appearance is different, of course, it mainly refers to the head type of the screw. The head of the round head screw is round and the side looks semi-circular, while the head of the pan head screw is round and the side looks trapezoidal.

The difference in the amount of material used: Pan head screws and round head screws of the same specification, round head screws are larger than pan head screws in terms of volume, weight, surface area, etc.

The difference in the definition range is that the round head screw covers a larger range. As long as the screw head is round, it can be called a round head screw, but if it is a pan head, it can only be called a pan head screw. Round head screws include pan head screws, large flat head screws, etc. In short, as long as the screw head is a round head, it can be called a round head screw.

In terms of application scope, in fact, there is no difference in the application scope of stainless steel pan head screws and round head screws. They have the characteristics of insulation, non-magnetic, anti-corrosion, and beautiful appearance. The strength and performance of use are not much different from those of metals, because they are commonly used in the electronics industry. Office equipment, mechanical equipment, etc. The head of the pan head screw has an obvious arc, which is generally used for internal workpieces or invisible workpieces, while the round head screw has a semi-circular screw head exposed on the installed surface due to the head shape after installation, often It is used for workpieces that do not require high tightening appearance.

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Product parameters

Material Stainless steel (304, 316, 201), carbon steel (35#, 45#), galvanized, aluminum alloy, copper, carbon steel, etc.
Standard GB, DIN, BS, ISO, JIS, ANSI, UNC, non-standard or your needs
Length 13-60mm
Size M4.2-4.8

Common Problem

1. Do you provide free samples?

We can provide samples for free, but do not support paying for shipping.

2. How long is your delivery time?

30 days after payment.

3. Are you a factory or a trading company?

we are factory.

4. Packaging and Shipping?

Can be packed in pallets or wooden boxes according to customer requirements.

Packing and Shipping

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