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【Specifications:】
- Thread Type: 5/16”-18
- Sizes: 5/16”-18 x 25mm
- Package Quantity: 25 Pieces
- Color: Color zinc, as picture show
- Fit for standard 5/16 18 screws bolts
- Type: 5/16-18 Wood Threaded Inserts
- Material: High Quality Zinc Plated Carbon Steel
【Features:】
- Material: Made of high quality carbon steel, color zinc plated on the surface which have good corrosion resistance in bad environment like high temperature, high hardness and perfect wear resistance, standard internal hex socket, without burr, smooth, non-slip, which can ensure long time using.
- Easy to install, HELIFOUNER threaded Inserts are best for composite materials, soft wood, plywood and hardwood, you can drill a hole by using a 12mm drill bit, ensure a precise 90 degree angle for inserting the threaded inserts, then you need to screw the inserts into the 12mm holes by using our hex wrench.
- Total 25 pieces 5/16-18 x 25mm threaded inserts are packed in an environment-friendly cardboard box, enough quantities can satisfy your long time using. Our threaded inserts have standard internal hex socket, without burr, smooth, non-slip, widely used for all kinds of composite materials, soft wood, plywood and hardwood.
【Package Included:】
5/16”-18 x 25mm --------25 Pieces
8mm Hex Wrench --------1 Pieces
【Total Quantity: 25 Pieces 5/16”-18 x 25mm Threaded Inserts】
【Tips:】
1. We suggest drilling a hole with diameter 12.0+/- 0.2 mm.
2. If the wood material is with high-hardness, enlarge the screw hole.
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.
Later2u
Reviewed in the United States on January 11, 2025
Bought these for a modification to a dog gate. Good quality. Recommended.
Charles
Reviewed in the United States on August 30, 2024
No required drill size noted in the kit anywhere.. The drill size is only noted on the Amazon web page for this product in the description field. So right a note and leave it in the kit for next time you use it.
James S. Pickens
Reviewed in the United States on March 23, 2024
There were no instructions on what size hole to drill. In fact there were no instructions at all.I found that a 9/32 drill bit worked best for drilling a hole in 3/4" plywood prior to screwing in the insert. 1/4 was too small and 5/16 was too large.Make sure the wood insert length works for you.
JackofAll
Reviewed in the United States on December 9, 2024
Had to replenish my original kit and this had a good quantity of most of my useful sizes.No issues with quality. Good value.
The hiker
Reviewed in the United States on November 30, 2024
I bought quite a while ago and have used a couple of times. So far I’m happy and they are work fine.
FD
Reviewed in the United States on January 6, 2024
Price $14.99Sold by: HELIFOUNERPurchase date: July 2023I don't know how heavy the computer cabinet stand thing is that I used these for. It's like four 4 feet tall by 2 feet long and wide, made of 2x4s and thick plywood with shelves, walls, and a door, so it's heavy, especially with all the stuff inside and on top of the cabinet.I had originally used tee nuts to attach the wheels. The wheels are the kind that are made so the weight is not bearing directly down on the wheel axle, but rather next to the wheel, if you know what I mean. The weight of the cabinet pried the tee nuts loose, pulling them out pretty far, but fortunately they were long ones. I'm glad I noticed this before the cabinet tipped enough for the computer to fall off the top of it. That would have sucked.Then I ordered these threaded inserts and just put them in the same holes the tee nuts were in. That was about six months ago. These things appear to be holding up just fine. I did not experience any stripping of the place you put the hex wrench into or the threads, or any other damage to the inserts while tightening them. It seems like a good product. Sorry I am unable to say how much weight they are supporting.
PedalOn
Reviewed in the United States on April 12, 2024
It takes proper technique to get any inserts in straight. I watched a couple YouTube video's and practiced on a scrap piece. Choosing the correct drill size is straight forward. I started the inserts on my drill press and turning the chuck by hand. Finished with a ratchet driver and they are dead on straight.
M. Crawford
Reviewed in the United States on October 27, 2023
I bought 5/16” 15mm long threaded inserts and 12mm (wrong size) drill bit as recommended in the product description. 2 days later I received my order and realized a 12mm hole is WAY too big. So then I ordered a 10mm drill bit to match the outside barrel diameter of these threaded inserts, and it worked perfect. I drilled out 10mm holes into 3/4” birch plywood to mount a mailbox onto, and attached with 3/4” long 5/16” button head screws. Final result is perfect! Hex size to install these threaded inserts is 8mm, and I used my impact driver and a hex bit I already owned.
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