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Stainless Steel Flat Head Thread-Forming Screws for Plastic C type and Hexalobular Socket Countersunk Head Tapping Screws

Material: Carbon steel, Alloy Steel, stainless steel SUS304, SUS316, High-Strength Steel

Standard: Q27A&GB/T2670.1&ISO 14585&DIN EN ISO 14585&JIS B 1128 (P)&NF E 25-654 &JASO F 116


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Product Specification

Name: Steel Flat Head Thread-Forming Screws for Plastic&Stainless Steel Flat Head Thread-Forming Screws for Plastic

Material: Carbon steel, Alloy Steel, stainless steel SUS304, SUS316, High-Strength Steel

1. Stainless Steel Flat Head Thread-Forming Screws for Plastic

18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. They are beveled under the head for use in countersunk holes. Length is measured from the top of the head.

Comparable to Plastite screws, inch-size screws have a triangular shank that presses tightly against formable plastic, such as polypropylene, to resist loosening. Metric-size screws are comparable to PT screws. They have a round shank that evenly distributes contact between the screw and plastic, as well as a recess between each thread that allows extra material to pass through. This means they grip tightly to plastic and require little driving torque to install, reducing the risk of cracking your material. These screws have more sharply angled threads than inch-size screws, so they resist loosening and backing out from vibration, even while supporting heavy loads. They also need more force to pull out. You can reuse them. Screws with a Torx or Torx Plus drive allow you to apply extra force with less slippage or damage to the recess.

2. Steel Flat Head Thread-Forming Screws for Plastic. These steel screws are beveled under the head for use in countersunk holes. Length is measured from the top of the head. Inch-size screws are comparable to Plastite screws. They have a tri-lobe shank that presses tightly against formable plastic, such as polypropylene, to resist loosening. Those with a Torx Plus drive allow you to apply extra force with less slippage or damage to the recess. Metric-size screws are comparable to PT screws. All have a round shank and more sharply angled threads than those with a tri-lobe shank, so they require less driving torque and reduce the risk of cracking mating plastic. They also have a recessed thread root that creates a tight hold. You can reuse them. Zinc-plated steel screws resist corrosion in wet environments.


Size Can also be According to the Customer's requirement for manufacturing, please check the detailed specification sheet details PDF, CAD, 185-186Page See more product details.

Product Packaging

Packaging: The inner packaging is a plastic bag, and the outer packaging is a carton. Then the tray. Carton size: 29*19*19.5cm and 23.5*17.5*8 cm and pallet size: 215*100*90 cm, or as your request.

Product Pictures

Stainless Steel Flat Head Thread-Forming Screws for Plastic C type and Hexalobular Socket Countersunk Head Tapping Screws

Stainless Steel Flat Head Thread-Forming Screws for Plastic C type and Hexalobular Socket Countersunk Head Tapping Screws

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