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Nobranded

Customized Galvanized Zinc Plate Steel Wire Ball Point Pen Spring Small Ballpoint Pen Compression Spring Pressure Springs, Wire Diameter 0.4mm * Out Diameter 4.5mm * Length 18mm, 100PCS

  • Based on 203 reviews
Condition: New
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Availability: In Stock.
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Arrives Oct 3 – Oct 9
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Features

  • 1.Made from galvanized steel
  • 2. a pack of 100pcs
  • 3.Use for ball point pen
  • 4.Size:0.016 Inch Wire *0.18" Inch Out Diameter*0.7" Inch Lenngth*20 Coils

Description

Ballpoint Pen Spring Wire diameter : 0.016" Inch Out diameter : 0.18" Inch Inner diameter:0.15" Inch Length : 0.7" Inch Turns Number:20 Coils Material : galvanized steel

Material: galvanized_steel


Size: 0.016“ Wire *0.18" Out Diameter*0.7" Inch Length


Pin type: Spring


Brand: Nobranded


Item Diameter: 4.5 Micron


Is Discontinued By Manufacturer ‏ : ‎ No


Package Dimensions ‏ : ‎ 2.83 x 2.64 x 0.94 inches; 1.13 ounces


Item model number ‏ : ‎ Compression Spring-1


Date First Available ‏ : ‎ June 2, 2020


Manufacturer ‏ : ‎ Xiamen Beisi Wo. Ltd


Country of Origin ‏ : ‎ China


Best Sellers Rank: #131,027 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #163 in Mechanical Compression Springs


#163 in Mechanical Compression Springs:


Customer Reviews: 4.4 4.4 out of 5 stars 203 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 3 – Oct 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews

    • Perfect replacement for pen springs
Review Image by Steve DeGroof Steve DeGroof
I was looking for something comparable to a ballpoint pen spring for use in various 3D-printing projects. The idea was to make gadgets that could be printed to include easily-available items such as the spring from a pen. These are ideal stand-ins for pen springs.
Reviewed in the United States on June 4, 2023 by Steve DeGroof Steve DeGroof
    • Great Job
I just fixed a broken pen. I replaced a bent spring and ta-da! Now it works. I'm keeping these around because I'm a writer. Thank you. Very pleased.
Reviewed in the United States on February 14, 2022 by Burned on Fake Shipping Fee
    • Almost perfect for wacky rigged senkos.
Review Image by Randall Randall
Review Image by Randall Randall
Ladies and gentlemen, boys and girls, fishermen of all ages, using ballpoint pen springs instead of rubber o-rings for wacky rigging a 5" Senko worm is ideal. The number one reason is that the worm last longer with the spring than using the o-ring. This is due to the o-ring causing the worm to tear far quicker. The second reason is that using a spring sets the hook perpendicular to the worm for a far better hook setting. That's if you're using only one o-ring where it will place the hook parallel to the worm. I know that I crisscrossed two o-rings so that I could place the hook perpendicular to the worm, which worked well. Still, the worms didn't last as long as using a ballpoint pen spring. Now the reason for the four stars and not five stars is only due to the outside diameter (OD) of this particular spring for this particular application. It is 4.5mm OD. As you can tell from the pictures, it's just a bit too big. Not enough of the worm around the outside of the spring. I'm thinking 3.5mm or 3mm outside diameter would be optimal. As you can see, I would take one spring and cut it in half and then screw the cut end of the spring into the worm with the end coming out the other side. There is a good big of bulk on the finished end of the spring. I would advise getting a smaller OD spring and then, if needed, cut the finished end off of the ends. Get the smaller OD springs with enough length so that you can still cut the spring in two after the finished ends are cut off. It makes the spring easier to twist/screw in. Other items in the picture include Yamamoto 5'' Senko Bubble Gum and Gamakatsu's Finesse Wide Gap 2/0 Hook. ... show more
Reviewed in the United States on October 2, 2023 by Randall Randall
    • perfect
exactly as advertised. I ended up using them to make my own buckling spring keys for the keyboard my friend ian and I are designing ourselves. They seem to be built as well as you'd want a spring to be and in the 2 packs of 100 springs, there aren't any noticeable defects on any either. tldr: they're built well and well priced all things considered. ... show more
Reviewed in the United States on September 23, 2021 by Joe Nuts
    • They are indeed little springs
Little springs that contract and spring open.
Reviewed in the United States on August 31, 2023 by PD.
    • Who knew this was a thing?
I needed a pen spring for a project and I got 100! I will never need another pen spring again as long as I live. I am living the good life now.
Reviewed in the United States on June 10, 2022 by Mm tacos
    • Just what I needed
I find a lot of 3D projects required ballpoint pen type springs and am tired of pulling them from working pens. This was the perfect solution and should last me awhile.
Reviewed in the United States on February 3, 2024 by Michael M.
    • Great Price
I use these springs for products designed for saltwater use and they hold up without corroding. They have a low spring coefficient and will not deform from maxing out the compression travel.
Reviewed in the United States on February 28, 2021 by John

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