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【Specifications:】
- Size: M3
- Color: Black
- Pitch: 0.5mm
- Drive Type: Internal Hex
- Package Quantity: 400 Pieces
- Material: 12.9 Grade Alloy Steel
- Screws Type: Hex Socket Head Screws
【Features:】
- 12.9 grade alloy steel with black oxide, high hardness, no deformation, anti-oxidation, wear resistance, corrosion resistance.
- The nuts and flat washers expand the contact area and reduce the pressure in order to protect the screws and parts.
- Compact and force uniform screw thread is not easy to out of shape and slid in the process of rolling and installation.
- Widely used in automotive, boating, printed projects home appliance, communication equipment and other machinery industry.
【Package Included:】
M3x30mm --------- 20 Pieces
M3x35mm --------- 20 Pieces
M3x40mm --------- 20 Pieces
M3x45mm -------- 20 Pieces
M3x50mm -------- 20 Pieces
M3 Nuts --------- 100 Pieces
7> Flat Washers ---- 100 Pieces
Lock Washers ---100 Pieces
Hex Wrench------1 Pieces
【Package Quantity: 400 Pieces M3 Hex Socket Cap Screws, Lock washers, Flat Washers and Nuts】
CHOKING HAZARD -- Small parts. Not for children under 6 years.
Note:
1, Warning: small parts, keep away from children and kids.
2, If you have any questions, please feel free to contact us at any time.
Antonio solis
Reviewed in the United States on January 29, 2025
They come I. Handy for my RC cars and other small projects at home
Keith A.
Reviewed in the United States on January 26, 2025
Handy to have yet another box of small metric screws for RC plane building or other things with my 3D printers. Nice selection of sizes
Stuart Johnson
Reviewed in the United States on January 13, 2025
Bought this set to add to my gunsmith shop. So far it’s been great.
T. Tozawa
Reviewed in the United States on September 27, 2024
A lot of these bolts/nuts more than likely will come oily and this one is no exception. But, the construction quality seems solid. Functions as intended and the machining seems good with everything fitting properly.
Matthew
Reviewed in the United States on December 25, 2024
Very satisfied with product and quality
Quickness
Reviewed in the United States on December 15, 2024
Love that these came with lock washers. Great kit.Need all the sizes to build a MagSafe phone holder.
DustinM
Reviewed in the United States on November 17, 2024
I was surprised when I opened the box and these were actual real 12.9 grade bolts. I've bought bolts off Amazon a million times and they are always bolts that I'm pretty sure I could strip with my fingernails if I tried. These bolts are not like that. Very strong and durable
CJGS
Reviewed in the United States on April 4, 2024
As an amateur upholsterer, my dilema was how to attach new back upholstered inserts for the Alter chairs for a friend's church. Screws wouldn't work and finding the size needed at the hardware store was impossible. I found these Helifouner Bolts online. The price was too good to pass up getting the entire selection instead just of the twelve I needed. As it turned out, I needed the 35mm instead of the 30mm I originally thought I needed so was really happy I bought the whole set. They worked perfectly. They are sturdy and if the back should need to be re-upholstered in the future, the insert can easily be removed (rather than glued in place.) One can never have too many nuts and bolts!! I told their Pastor that there was bubble wrap in the bottom and tacks in the back to wake up the congregation if he popped a bubble or leaned into a tack. Of course, I didn't really do that but it amused me.
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