M3 Carbon Steel Phillips Ultra Thin Flat Head Screw

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M3 (3mm diameter) Black flat head phillips screws with different lengths 3mm, 5mm, 8mm, 10mm, 15mm etc. Used for laptop, computer, DIY encloser etc. ...See more
SKU BTS-00004303
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Inside Dhaka: 1-2 days
Express (Dhaka): 24 hours
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Outside Dhaka: 2-3 days
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The M3 Carbon Steel Phillips Ultra Thin Flat Head Screw is a high-precision fastener designed for electronics, laptops, computers, DIY enclosures, 3D printed cases, robotics projects, and compact hardware assemblies. With a 3mm diameter (M3) and an ultra-thin flat head design, this screw allows fully flush mounting for clean and space-efficient installations. Manufactured from durable carbon steel, it ensures excellent strength, reliable threading, and long-lasting performance in both professional repair tasks and hobby projects. The black finish provides a refined look suitable for internal device assembly, while the Phillips drive head enables smooth tightening with standard tools. Available in different lengths such as 3mm, 5mm, 8mm, 10mm, and 15mm, this M3 screw offers versatility for various applications widely used across Bangladesh.

 

Features:

  • Carbon steel construction for strong, durable fastening

  • Ultra thin flat head ensures flush mounting on surfaces

  • M3 (3mm) diameter ideal for electronics and compact hardware

  • Multiple length options: 3mm, 5mm, 8mm, 10mm, 15mm (as selected)

  • Phillips drive compatible with standard screwdrivers

  • Smooth machine screw threading for secure and stable installation

  • Black finish suitable for professional electronic assemblies

  • Ideal for laptop repair, computer hardware, and DIY enclosures

 

Specifications:

  • Material: Carbon Steel

  • Head Type: Ultra Thin Flat Head

  • Diameter: M3 (3mm)

  • Length: As selected (5mm/ 8mm/ 10mm/ 12mm/ 15mm)

  • Drive: Phillips

  • Finish: Plain

  • Color: Black

  • Quantity: 1 piece per package

 

Applications

  • Laptop interior component mounting

  • Desktop and computer case hardware

  • 3D printed project boxes and modular assemblies

  • DIY electronics and custom enclosures

  • PCB brackets, module mounting, and sensor installation

  • Robotics, IoT devices, and small machinery parts

  • Repair, maintenance, and prototyping tasks

 

How to Use

  • Select the appropriate screw length based on material thickness

  • Insert into a threaded or pre-drilled hole with correct alignment

  • Tighten gently using a Phillips screwdriver to avoid head stripping

  • Ensure the flat head sits flush for a smooth and stable finish

  • Use caution when fastening into plastic or thin metal

 

Product Instructions

  • Confirm M3 threading compatibility before installation

  • Avoid overtightening to prevent damage to delicate electronics

  • Keep screws stored in a dry environment to protect finish

  • Ideal for precision work—use proper screwdriver size

  • Check clearance when used in compact electronic housings

 

Package Includes

  • 1 x Flat Head Phillips Screw

 

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Customer Reviews

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Nayeem Hasan's review emoji-happy
Review by Nayeem Hasan
আমার DIY ইলেকট্রনিক্স প্রজেক্টের জন্য এই স্ক্রুটা দারুণ। খুব নিখুঁত থ্রেডিং, সহজেই লাগানো যায়। ডেলিভারিও দ্রুত ছিল। সব মিলিয়ে সন্তুষ্ট।
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Sohel Rana's review emoji-happy
Review by Sohel Rana
I needed a flush mount screw for an acrylic enclosure. This M3 flat head screw sits perfectly flush. Very precise, no wobble. Great for professional looking builds.
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Shafin Ahmed's review emoji-happy
Review by Shafin Ahmed
Screw ta khub fine quality. Laptop er vitor use korlam, hole e perfectly fit hoy. Black finish ta darun lagche. Just dam ektu beshi lage, but quality dekhle ok.
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Arif Hossain's review emoji-happy
Review by Arif Hossain
I used this screw for my 3D printed camera mount. The ultra thin head sits perfectly flush. Strong carbon steel, no stripping. Highly recommend!
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অমিত সরকার's review emoji-happy
Review by অমিত সরকার
ছোট জিনিস হলেও মানটা সত্যিই ভালো। ৩ডি প্রিন্টেড মডিউল বক্সে ৫ মিমি লেংথটা বসালাম, একদম নিখুঁত। স্ক্রু ড্রাইভার দিয়ে ঘোরানোর সময় মাথাটা পিছলে যায়নি। দামও যুক্তিসঙ্গত। আরেকটি অর্ডার করবো।
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Shahriar's review emoji-happy
Review by Shahriar
I bought this screw for my PCB mounting. The threading is smooth and the head is really thin. Works perfectly, though I wish it came in a pack of more than one. Still, good quality.
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Sourav Das's review emoji-happy
Review by Sourav Das
I needed an M3 screw for a Raspberry Pi enclosure and this one worked fine. The black finish looks neat inside the case. Only comment is that you get just one piece, so plan accordingly.
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Taslima's review emoji-happy
Review by Taslima
ami robotics project e ei screw use korechi. khub tightly hold kore. ultra thin head surface er upor perfectly flush thake. really osadharon quality. 5 star.
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Nadira Sultana's review emoji-happy
Review by Nadira Sultana
Khub e choto jinish kintu kaj e onek valo. Ami smart home device er enclosure e screw ta use korlam. Fit onek tight, ar black color er sathe shundor dekhte. Jodi kichu extra order koren, tobe M3 hole compatible kina notun kore check kore niben.
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Arif Hossain's review emoji-happy
Review by Arif Hossain
I used this screw for my 3D printed camera mount. The ultra thin head sits perfectly flush. Strong carbon steel, no stripping. Highly recommend!

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General Questions

  • What is the latest price of the M3 Carbon Steel Phillips Ultra Thin Flat Head Screw in Bangladesh?

    The latest price of M3 Carbon Steel Phillips Ultra Thin Flat Head Screw in Bangladesh is Special Price BDT 7.00 Regular Price BDT 12.00 . You can buy the M3 Carbon Steel Phillips Ultra Thin Flat Head Screw at the best price on BDTronics.com or contact us via phone.

  • Where to buy M3 Carbon Steel Phillips Ultra Thin Flat Head Screw in Bangladesh?

    You can buy M3 Carbon Steel Phillips Ultra Thin Flat Head Screw online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.

  • What are the delivery options of M3 Carbon Steel Phillips Ultra Thin Flat Head Screw in Bangladesh?

    We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.

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