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🔩 Screw in Success: The ultimate wood insert kit for pros who demand precision.
This 40-piece set of 1/4-20 hex drive threaded inserts for wood features 15mm length zinc-plated carbon steel inserts with a 6mm allen wrench included. Engineered for easy screw-in installation into pre-drilled holes, these inserts provide durable, vibration-resistant fastening ideal for furniture, woodworking, and plastic projects. Trusted by professionals and DIYers alike, they combine precision engineering with bulk convenience.






| ASIN | B07QGMCNS8 |
| Best Sellers Rank | #9,392 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in Nut Inserts |
| Brand | Sprite Science |
| Color | White |
| Compatible Groove Diameter | 10.4 Millimeters |
| Customer Reviews | 4.7 out of 5 stars 2,000 Reviews |
| Drive Style | External Hex |
| Exterior Finish | Zinc |
| Fastener Type | Insert |
| Finish Types | Zinc plated carbon steel |
| Grade Rating | industrial |
| Inside Thread Size | 0.410 INCH / 10.4MM |
| Item Diameter | 0.25 Inches |
| Item Weight | 0.2 Kilograms |
| Manufacturer | Sprite Science |
| Material | Carbon Steel |
| Material Type | Carbon Steel |
| Metal Type | Carbon Steel |
| Model | 1/4-20WOODINSERT |
| Number Of Items | 40 |
| Number of Pieces | 40 |
| Outside Diameter | 11.7 Millimeters |
| Part Number | 1/4-20WOODINSERT |
| Screw Head Style | Flat |
| Set Name | 40 pieces |
| Size Name | 1/4-20 x 15mm*40pcs |
| Thread Class | Class 2A |
| Thread Size | 1/4"-20 |
| Thread Style | Right Hand |
| Thread Type | Unified National Coarse (Unc) |
M**B
How buying hardware should be
I used these when building a crib. They go in easy and look great. I was impressed by the quality and the attention to detail the sellers had. The bag had all the size information and drilling requirements. I used 24 of them and they each performed well. They even included an allen wrench. I have plenty of them, but it is nice to keep everything in the same spot. Now when I store them and use them later, the directions and the allen wrench will be in the same bag. Great job, this is how buying hardware should be.
L**K
Works well
Arrived promptly and well packaged. Works well for wood working and furniture making
J**.
Good value though quality isn’t perfect
They work as expected and the quality is decent. Minus one star because the faces are a little rough looking and they have a tends to seat slightly crooked so that they do not sit perfectly flush with the surface of the wood.
T**H
Very handy and easy to install
Great little inserts, perfect for assembling panels that you may want to disassemble some day. Used in plywood without any issues. They seem to be die cast metal, but hold well. I wouldn't use them for high torque applications, but for most light to medium duty applications they should work great.
E**N
Like them a lot
Well made, will take the load. Been using inserts for over 50 years, the info about testing hole sizes would have been helpful back in the day. A 6mm hex point on a low torque impact driver is the most efficient way to install. Will look for this brand again when I need more.
J**N
Works On Plastic
I make motorcycle rear racks from cutting boards. I use these inserts for additional strap anchors using eye bolts and also for camera mounts. Works great!
R**Y
Very good quality
These are excellent inserts, sharp deep defined threads screw and hold into wood very well, nicely machined. Use with a 3/8" pilot hole. Comes with a nice plastic container, allen key; and instruction card.
R**R
Great value, esp for CnC waste board.
Super value honestly for what the box stores charge. Bought quite a few of these for my CnC waste board.
C**N
TIP TOP
TOP Compatible avec les vis à dégagement rapide
し**う
結構しっかりしています。
ウッドデッキ材のハードウッド、イペに10mmのドリルで深さ15mm、C2くらいで面取りをしてから打ちました。しっかりしています。 六角レンチも付いていますが、少し短く、お手持ちのものを使うことをオススメします。(普通に使えますが) かなり硬い木でもしっかりと固定でき、ちゃんと使えました。 なくなったらリピします。
D**Y
Worked perfectly for me!
I used a 3/8" drill for both Black Walnut and epoxy and these worked perfectly for me.
B**S
Great price
I think that i now have a lifetime supply of theses inserts. A good range of sizes neatly packaged
T**M
三脚に取り付けできました
三脚に円盤の木片を乗せるために探していたのですが、まさにこれと言うものでした。まだ使用していませんが、所有する三脚や一脚に取り付けられました。
Trustpilot
5 days ago
1 week ago