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  • E-Z Lok Threaded Insert, Brass, Knife Thread, Metric Coarse Threads, Metric, Made in US
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by E-Z LOK

E-Z Lok Threaded Insert, Brass, Knife Thread, Metric Coarse Threads, Metric, Made in US

Available in multiple versions

16 customer reviews

Price: $2.90 - $4.70
Product Specifications
Brand Name E-Z LOK
Material Type Brass
System of Measurement Metric
Body Style Knife Thread
Import Designation Made in US
Thread Style Metric Coarse
UNSPSC Code 23291804

E-Z LOK Knife Thread inserts for hard wood significantly reduce the possibility of stripping when... Read full product description


Currently showing 1-5 of 5
Inside Thread Size Outside Thread Size Overall Length Fastener Size Number of Items Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
   
M3-0.5 N/A 9.52 millimeters M3-0.5 10 B0026GSYE0
In Stock (31)
$2.90
M4-0.7 N/A 9.52 millimeters M4-0.7 10 B002WC8TQQ
In Stock (22)
$2.90
M5-0.8 N/A 12.70 millimeters M5-0.8 10 B002WC8TR0
In Stock (9)
$3.40
M6-1.0 N/A 12.70 millimeters M6-1.0 10 B002WC8TRA
In Stock (73)
$3.40
M8-1.25 N/A 15.88 millimeters M8-1.25 10 B002WC8TRK
In Stock (12)
$4.70
Currently showing 1-5 of 5
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Product Features

  • Provides a Strong Machine Thread In Hard Woods
  • Ideal For Use in Woods Like Oak, Cherry, and Maple
  • Designed For Use In Furniture, Cabinetry, Storm Windows and Marine Applications
  • Simply Drill the Appropriately Sized Hole and Install with Screwdriver or Optional Drive Tool
  • Proprietary External Knife Threads Provide Superior Holding Power

Product Details

  • Shipping Weight: 1.6 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00DCFH2T2
  • Average Customer Review: 3.4 out of 5 stars  See all reviews (16 customer reviews)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

2 of 2 people found the following review helpful By R. Bates on November 28, 2011
Fastener Size: M8-1.25Outside Thread Size: N/ANumber of Items: 10Overall Length: 15.88Inside Thread Size: M8-1.25 Verified Purchase
There's not much to say about a simple hardware product, but the E-Z LOK inserts are just as described. If you need a nut insert for hard wood, this is an excellent product.
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1 of 1 people found the following review helpful By eclectic retiree on September 24, 2014
Fastener Size: M4-0.7Outside Thread Size: N/ANumber of Items: 10Overall Length: 9.52Inside Thread Size: M4-0.7 Verified Purchase
These adapters are made from VERY flimsy metal. When I tried to hand-screw them into plywood using a screwdriver that fit the slot well, I stripped 2 hopelessly. I had drilled the slot, as suggested, to the dimensions of the internal thread. I ended up going progressively all the way up to 1/4" before I got a hole drilled big enough that I could screw in the inserts, and by that time I had stripped 4 more. I expected brass inserts to be sturdier, but these are not. If you do get them, I suggest a 1/4" diameter for the pre-drilled hole.
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1 of 1 people found the following review helpful By Otaku on November 26, 2013
Fastener Size: M6-1.0Outside Thread Size: N/ANumber of Items: 10Overall Length: 12.70Inside Thread Size: M6-1.0 Verified Purchase
They work great, but you need a seriously large drill bit and a seriously large screwdriver to install them. Once you do, however, they are rock-solid.
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1 of 1 people found the following review helpful By Coniglio on February 22, 2015
These are advertised as made in the USA. The packaging clearly indicates this product is made in Taiwan.
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Fastener Size: M5-0.8Outside Thread Size: N/ANumber of Items: 10Overall Length: 12.70Inside Thread Size: M5-0.8 Verified Purchase
The device worked just as advertised for my purposes. I would say that some official instructions on how to install them would be nice. There seems to be some disagreement on the internet as to whether the slot is there to help drive the insert into the wood with a flat-head screwdriver or whether it is there to help sink the insert into the wood. I could not find manufacturer's instructions anywhere.

Since these are installed to receive machine screws, they have to be placed very precisely and installed perfectly normal to the surface. I would recommend a drill with levels on it to ensure that your pre-drilled holes are drilled properly and that you drive the insert into the hole appropriately.
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Fastener Size: M6-1.0Outside Thread Size: N/ANumber of Items: 10Overall Length: 12.70Inside Thread Size: M6-1.0 Verified Purchase
The device worked just as advertised for my purposes. I would say that some official instructions on how to install them would be nice. There seems to be some disagreement on the internet as to whether the slot is there to help drive the insert into the wood with a flat-head screwdriver or whether it is there to help sink the insert into the wood. I could not find manufacturer's instructions anywhere.

Since these are installed to receive machine screws, they have to be placed very precisely and installed perfectly normal to the surface. I would recommend a drill with levels on it to ensure that your pre-drilled holes are drilled properly and that you drive the insert into the hole appropriately.
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By R. Perrin on August 22, 2015
Fastener Size: M8-1.25Outside Thread Size: N/ANumber of Items: 10Overall Length: 15.88Inside Thread Size: M8-1.25 Verified Purchase
Works great. Needed to repair a couple of table legs. The original wood inserts broke and pulled out. Even though these are shorter than the wood inserts from the factory, they work better. I used a 1/2" bit to ream out the holes, but that was slightly too small....9/16" would have allowed them to go in a little easier. I also purchased the tool to insert them with...HIGHLY RECOMMENDED to get the special tool. Will save you tons of time and frustration over trying to use a screw driver. The tool keeps them straight and they'll go in with easy. Table legs now tighten up and no more wobble.
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Fastener Size: M4-0.7Outside Thread Size: N/ANumber of Items: 10Overall Length: 9.52Inside Thread Size: M4-0.7 Verified Purchase
The inserts itself is good but need careful installation on hard wood such as maple.
It will lift wood if you install with screw driver or bolt and nut method.
I found some youtube tutorial of insert install which uses drill press to push the insert down while turning the chuck manually.
I don't have drill press, so I decided not to use this after I messed up two holes (had to drill out and plug it with maple dowel).
Thanks to hard maple, it might be just okay without inserts..
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