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🔧 Elevate your toolkit with precision grip power – never settle for less!
This OCR 195-piece thumb screw kit features 12 sizes (M4, M5, M6) of galvanized iron knurled screws, designed for versatile mounting and clamping applications. Packaged in a clear storage box, these corrosion-resistant screws provide easy, tool-free installation with superior grip, ideal for professionals managing machinery, electronics, and workshop equipment.


| ASIN | B0CHM547MZ |
| Best Sellers Rank | #11,910 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Thumb Screws |
| Brand | OCR |
| Color | Silver |
| Customer Reviews | 4.3 out of 5 stars 174 Reviews |
| Fastener Type | Machine Screw |
| Finish Types | Galvanized |
| Item Diameter | 4 millimeters |
| Item Dimensions | 5.91 x 3.94 x 0.98 inches |
| Item Shape | Round |
| Item dimensions L x W x H | 5.91 x 3.94 x 0.98 inches |
| Manufacturer | OCR |
| Material | Iron, Plastic |
| Material Type | Iron, Plastic |
| Number Of Items | 195 |
| Number of Packs | 1 |
| Number of Pieces | 195 |
| Outside Diameter | 4 millimeters |
| Part Number | US_KNOB130 |
| Screw Head Style | Round |
| Set Name | OCR 195PCS 12 Size Thumb Screws |
| Size | M4/M5/M6 |
| Size Name | M4/M5/M6 |
| Thread Size | M4/M5/M6 |
| Unit Count | 1 Count |
R**H
Product was exactly as advertised
They were the right fit . Only problem was that the tray got slightly damaged in shipping other then that was very pleased with the product
D**N
Huge Assortment and great quality.
This is a huge assortment of thumb screws. They have worked perfectly for me. The quality of the threads is great. They have performed without issue in every application I have used them for so far.
K**R
Useful
Excellent product excellent price
1**S
Great item
Great item
T**N
Inexpensive but works
The case they come in was super fragile and mine was destroyed by Amazon. I underestimated the size of these, so be sure to measure the size you need before you buy them.
A**R
Can’t screw these up.
I’m all thumbs when it comes to installing screws, so I got these. They are perfect for my RC projects.
P**R
M4 Assortment
Very solid low profile thumbscrews. Well made. Just note the shortest length is 10mm and up.
J**S
I have it right here!
It is always a good idea to buy a set like this. Can’t beat the price for what your buying.
Trustpilot
2 months ago
1 month ago