Flange Washer Head Machine Screw | High-Quality Stainless Steel Wires: The Backbone of Manufacturing Excellence

Sen Chang is a Flange Washer Head Machine Screw, Flange Washer Head Machine Screw w/ Six Lobe Recess w/ pin, Clockwise Serration under the head. manufacturer from Taiwan. Process: Using multi blow headers to make the head then threading before passivation
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, 6-lobe Recess depth, Pin diameter, Washer diameter, Washer height, Number of serration under the head, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO Sen Chang Industrial Co., Ltd., established in 1968, stands at the forefront of stainless steel industrial fastener manufacturing. With a legacy of excellence spanning over four decades, our product lineup includes stainless steel screws, wires, pins, rivets, and high-tensile screws designed to meet the demanding needs of industrial manufacturing. Our commitment to quality is underscored by our adherence to ISO9001 standards, ensuring each product we offer is not just compliant but exceeds industry expectations. From sourcing premium raw materials from Japan and Taiwan to employing cutting-edge manufacturing techniques, we ensure that our fasteners provide superior strength, durability, and reliability. Our specialized offerings, including customized fastener solutions, cater to a wide range of industries globally, making us the preferred partner for companies seeking unparalleled quality and precision in their fastening solutions.