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POWERTEC QLN1303 Serrated Flange Lock Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.7
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Description of POWERTEC QLN1303 Serrated Flange Lock

FUNCTION: These rugged, high-performing nuts provide a secure and solid grip on your stock that won’t come loose or rotate during heavy torque or vibrations. FEATURES: The serrated flange on the nut acts as an integrated washer, effectively spreading out and distributing pressure evenly at the site. The serrated flange, by biting into the stock, maximizes resistance to secure a dependable, vibration-resistant lock that won’t move. POTENT BUILD: Constructed of zinc-plated carbon steel that ensures durability, lasting use and wear resistance. Precision machined for accurate dimensions and clean, sturdy threads. APPLICATION: Great for anytime you need a locked in, non-rotating fastening. Suitable for use in heavy vibration environments, when fastening on uneven mating surfaces, or when the attachment hole is uneven or too large. SPECS: size: 7/16”-14.

Reviews

Global ratings 2
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  • 4
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  • 3
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  • 2
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  • 1
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Type of review

Revainrating 5 out of 5

Lock It Up - An Excellent Addition to Your Toolbox!

These serrated flange locks provide a secure hold and prevent loosening, making them perfect for various applications around the home or workshop. The high-quality construction and durable design make them a reliable choice for any project. Plus, they come in a convenient storage case. .

Pros
  • Secure hold, versatile, durable.
Cons
  • None found.

Revainrating 1 out of 5

Thread not fully cut

I bought 1/2-13 flanged nuts. They will not fit 1/2-13 bolts. I can't get it to the first thread. I pierced one of them just to see and indeed, after tapping, the bolts were fine. The threads inside are all flat, which is something I've never seen before. DO NOT BUY if you intend to use them for anything.

Pros
  • FEATURES: The serrated flange on the nut acts as an integral washer, effectively and evenly distributing pressure in place. The serrated flange that cuts into the shank increases resistance and provides a reliable, vibration-resistant lock that won't budge.
Cons
  • Security