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HanaMoon
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$16.99
![Kozelo 150Pcs Cup Point Socket Set Screws - [M4-0.7x5] Carbon Steel - Black Oxide Finish Hex Socket Grub Set Screws with Hex Key Wrench for Door Handles, Knobs & Light Fixtures — image 1](https://m.media-amazon.com/images/I/61YAMRsuR6L.jpg)
Kozelo 150Pcs Cup Point Socket Set Screws - [M4-0.7x5] Carbon Steel - Black Oxide Finish Hex Socket Grub Set Screws with Hex Key Wrench for Door Handles, Knobs & Light Fixtures
★★★★★
$16.99
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About this item
- 1- PACKAGE CONTENTS - Color: Black; Material: Carbon Steel; Thread Type: Coarse Thread; Thread Dia.: M4; Thread Length: 5mm/0.2"; Thread Pitch: 0.7mm/0.03"; Package Content: 150pcs x Cup Point Socket Set Screws (with a spanner)
- 2- MATERIAL - These cup point socket set screws are made from high-strength carbon steel with a black oxide finish. Unlike stainless steel, this carbon steel base delivers robust tensile strength for secure load-bearing fastening, while the black oxide surface coating enhances wear resistance and provides moderate corrosion protection, rely on the oxide layer to shield against light moisture and surface scratches.
- 3- Work Environment - Carbon steel cup point set screws excel in dry indoor workshop settings where heavy rust exposure isn’t a primary concern, delivering consistent, reliable fastening performance in high-use environments. Their black oxide finish forms a protective layer that effectively resists basic wear and light oxidation, keeping the screws smooth to handle and fully functional for everyday general use.
- 4- Applications - Cup point socket set screws feature a headless, concave end design that sits flush with or recesses into component surfaces, requiring no countersunk hole. The cup point creates a tight, non-slip hold by pressing into mating parts. These screws are used in securing gears in industrial machinery, locking handles on tools, stabilizing pulley shafts, and fastening hardware fixtures where a low-profile, slip-resistant fastener with high tensile strength is needed.
- 5- TAKE NOTICE OF - Please refer to the image of SIZE and choose the Screws suitable for your project.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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