CM008-150812-1 | Advanced Industrial Fasteners Manufacturer | Over 30 Years of Excellence

Flat Machine Thread Square Rec Drilling Screw | reliable stainless steel and high-tensile fasteners for industrial projects

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Flat Machine Thread Drilling Screw | Sen Chang: Your Source for Durable Industrial Fasteners & Screws

Sen Chang offers a vast selection of industrial fasteners and screws, meticulously crafted to meet the highest standards of quality and performance. Our product range includes Flat Machine Thread Drilling Screw , stainless steel screws, high-tensile fasteners, and other specialized fastening solutions designed to provide exceptional strength, durability, and corrosion resistance. Whether you’re working on construction, automotive, or industrial machinery projects, our fasteners ensure reliable and long-lasting connections.

With decades of experience in the industry, Sen Chang has become a trusted name for precision fastening solutions. Our commitment to innovation and quality means that our products are not only reliable but also tailored to meet the specific needs of our clients. From heavy-duty applications to intricate assemblies, you can count on Sen Chang’s fasteners to deliver superior results, every time.

At Sen Chang, we have been delivering precision fastening solutions with advanced technology and over 48 years of industry expertise. We are committed to meeting and exceeding each customer's unique demands, ensuring quality and reliability in every product.


Flat Machine Thread Drilling Screw

CM008-150812-1

Process: Using multi blow header to make the head and then threading before passivation. Plating and acid washing after heat treating. The last step being beeswaxing
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector
Measurement Points: Head diameter, Head height, Square depth, Square plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Drilling tail diameter, Drilling tail length, Plating inspection
Plating Reports Offered

Features

  • 410SS
  • Flat Head
  • #1 Square
  • Black Zinc Plated, 3u+ Beeswaxing

Specification

  • Item Specification: M4*20
  • Item Material: 410SS