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Smart Countersunk Screws Set 420 Pcs – Self-Drilling Smart Screws + 8 Drill Bits

Smart Countersunk Screws Set 420 Pcs – Self-Drilling Smart Screws + 8 Drill Bits

420 pcs of self-drilling smart screws with 8 types of drill bits. No need for pre-drilling holes. Perfect for metal surfaces with various screw sizes (3.9mm, 4.2mm).
  • Country of Origin: Türkiye
  • Payment type: Cash - Wire Transfer
  • Availability: in stock
  • Brand: Netzerkoz
  • SKU: 17950
Availability: in stock
≥ 10 Pcs
$13
≤ 10 Pcs
$11


420 Pcs Smart Countersunk Screws Set – Self-Drilling Screws with 8 Drill Bits

The 420 Pcs Smart Countersunk Screws Set is designed to save you time and effort in fastening tasks. With self-drilling screws, also known as "smart screws," there's no need to drill holes in advance. The drill-like head makes installation quick and efficient, especially on metal surfaces, delivering both convenience and precision.

Key Features:

  • Self-Drilling Smart Screws: No need for pre-drilling on metal surfaces. The screws feature a drill-like head for effortless application.
  • Countersunk Head: Provides a neat, flush finish without protrusions, ideal for a professional appearance.
  • Durable and Corrosion Resistant: Built to last, these screws offer long-lasting durability in various conditions.
  • Includes 8 Types of Drill Bits: Comes with the right tools for a variety of applications.

Set Contents (Screws Sizes):

  • 70 pcs: 3.9x13mm Smart Screws
  • 60 pcs: 3.9x16mm Smart Screws
  • 50 pcs: 3.9x19mm Smart Screws
  • 30 pcs: 3.9x25mm Smart Screws
  • 70 pcs: 4.2x13mm Smart Screws
  • 60 pcs: 4.2x16mm Smart Screws
  • 50 pcs: 4.2x19mm Smart Screws
  • 30 pcs: 4.2x25mm Smart Screws

Why Choose Smart Countersunk Screws?

  • Time-Saving: Smart screws eliminate the need for pre-drilling, allowing for faster and more efficient work.
  • Versatile: Ideal for metal and other surfaces where pre-drilling is typically required.
  • Comprehensive Set: A wide range of sizes ensures you have the right screw for any job.

Perfect for Metal Surfaces:

When working with metal or similar surfaces, pre-drilling holes is often necessary. With self-drilling smart screws, you can skip this step entirely. Their sharp, drill-like head cuts through the material easily, giving you a clean and secure fit every time.


The 420 Pcs Smart Countersunk Screws Set is the perfect addition to any toolbox, offering a complete range of sizes and the convenience of self-drilling technology for faster, easier assembly.

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Shipping Information

Shipping Cost: Enjoy free shipping for orders exceeding 500 USD.

Available Countries: Our shipping services extend worldwide.

Shipping Time: Expect your order to arrive within 20 days after payment confirmation.

Taxation: Taxes vary for each product and country and are not included in our prices.

Container Quantities: Reach out to us for customized discounts and shipping information.

Return Information

Return Process: Should you need to return a product purchased from Kahruman, follow these steps:

  1. Initiate Your Return: Begin the return process by creating a request.
  2. Send Back the Product: Once your return request is approved, send the product back to the store.
  3. Store Refund: After the store approves the return, your refund will be processed.
  4. Receive Your Refund: Your refunded amount will be returned to your card.

Exercise your right of withdrawal for the products you've purchased from Kahruman. For any inquiries regarding products, feel free to contact the store through the "Ask a Question to the Store" section. To initiate a return, simply click to view the return process. Opt for the store's contracted cargo company to send back the product free of charge.

Please note that the exercise of the Right of Withdrawal and Return Conditions are governed by the provisions of the Consumer Protection Law No. 6502 and the Distance Contracts Regulation.

Customer Reviews

  1. client
    W*** T***
    Verified purchase
    The seller is very careful with the packaging.
    06, Oct, 2024

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lead time

Quantity (PCS)

1 - 1000

1001 - 5000

> 5000

Lead time (days)

10

20

To be negotiated