Flat Head #1 Square | Superior Self-Tapping Screws for Metal and Wood

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

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Flat Head #1 Square | Corrosion-Resistant Coating Screws for Long-Lasting Performance

Sen Chang Industrial Co., Ltd., established in 1968, is a leading manufacturer of stainless steel industrial fasteners, including Flat Head #1 Square, screws, wires, pins, and rivets. With a focus on innovation and quality, Sen Chang adheres to ISO9001 standards to produce high-tensile screws and other fasteners that meet the highest industry standards. Our products are crafted with precision to cater to diverse industrial needs, ensuring superior strength and durability. Choose Sen Chang for reliable and high-quality stainless steel fasteners, designed to excel in demanding industrial applications.

Sen Chang's stainless steel wire rods are designed for optimal performance in cold-forming processes. The wires' superior quality and durability make them perfect for industrial applications, ensuring longevity and reliability in manufacturing.

Sen Chang has been supplying precision fastening solutions, both with advanced technology and 48 years of experience, Sen Chang ensures each customer's demands are met.

Flat Head #1 Square - Flat Head Square Rec w/ Drilling Machine Thread
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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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