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$9.64
PrecisionGeek® – M4 Knurled Screws Made of Black Oxide Steel DIN 464 – Flat Head with Flanged Knurled Head – Various Lengths & Set Sizes (20 mm · Set of 4)
★★★★★
$9.64
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1
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About this item
- 1. Thumb Screws Application Knurled thumb screws designed for tool-free fastening in metal, wood, plastic, and acrylic components.
- 2. DIN 464 Standard Manufactured in accordance with DIN 464, featuring a flanged knurled head for stable seating and repeatable positioning.
- 3. Black Oxide Steel Construction Made from steel with a black oxide finish, providing durability and a technical, non-reflective surface.
- 4. Multiple Sizes & Set Options Available in various M4 thread lengths and different set sizes, allowing selection of the appropriate configuration for each application.
- 5. European Manufacturing Manufactured in the European Union (Poland).
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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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