Flat Head #1 Square | Robust Pins and Rivets: Securing Industrial Strength with Stainless Steel

Flat Head Square Rec w/ Drilling Machine Thread | Global suppliers of durable stainless steel pins

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Flat Head #1 Square | Advanced High-Tensile Screws: The Future of Industrial Fastening

Located in Taiwan since 1968, Sen Chang Industrial Co., Ltd. is a leading manufacturer of stainless steel fasteners, including Flat Head #1 Square, wires, screws, and rivets. Specializing in high-tensile, machine, and tapping screws, we provide durable, quality-assured products compliant with ISO9001 standards, catering to global industrial demands.

With a foundation built on precision engineering and quality materials, the company caters to diverse industrial needs, ensuring durability and reliability in every product. Emphasizing innovation and strict quality control, Sen Chang is dedicated to delivering solutions that meet the highest standards of excellence, supporting industries worldwide with their fastening challenges.

Sen Chang has been supplying customs high-tensile screws, wires, and industrial fasteners, both with advanced technology and 48 years of experience, Sen Chang ensures each customer's demands are met.


Flat Head #1 Square

CM008-151131-1

Process: Using multi blow header to make the head and then threading before passivation. Acid washing after heat treating. At last plating and 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

  • Drilling Machine Thread
  • Black Zinc Plated w/ Thickness being 3u
  • Surface Beeswaxing

Specification

  • Item Specification: M4*11
  • Item Material: 410SS
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