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Your cart is empty.Introducing the Universal Hold Down Clamps by POWERTEC. This hold down clamp set provides you with a heavy duty and reliable solution to keeping your t-track/ t-slot workpieces in place. Each clamp is designed to fit firmly in your universal t-track/ slot assembly, providing you with high-tension clamping action. Premium Build + Innovative Design Featuring our unique lever shaped profile, these woodworking accessories deliver exceptional hold-down clamping action. They also flaunt an impressive clamping capacity for a wide assortment of task, while providing the user with optimal workpiece clearance. The POWERTEC Hold Down Clamps are constructed out of heavy duty anodized aluminum, built for long-term usage without the worry of corrosion or wear and tear. We’ve added ergonomically designed 5 star knobs to give you full-range control. This makes adjusting, tightening and securing your material a breeze. To protect your workpiece, these clamps are highlighted with non-marring rubber clamping pads. Whether you’re a professional or DIY enthusiast, these beefy clamps offer hassle free productivity and streamlined workflow. They’re easy to use, and even easier to love. Hold Down Clamp Specs Length: 5-1/2-Inch Width: 1-1/8-Inch Body: Anodized Aluminum Pads: Non-Marring Rubber Knob Type: 5 Star T-Bolt: 3-1/2” L with 5/16”-18 Thread Package Includes (4) hold down t-track clamps (t-bolts, washers, caps, knobs included) POWERTEC is a leading manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry.
Richard A. Hartman
Reviewed in the United States on February 4, 2025
Bought for hold down on cnc, works great on applications where space allows
JustAnotherName12
Reviewed in the United States on September 17, 2024
I got these specifically for my X-Carve CNC as I'm not a huge fan of the plastic hold-downs that come with the kit. While there are likely better options on the market than these, for someone who does this as a hobby, these seem to work fine for me. Now, I did add another flat washer and a split lock washer to these clamps (you probably don't need to) but they keep my boards in place as the CNC does it's thing and that is exactly what I wanted.
Jeffrey L. James
Reviewed in the United States on September 11, 2024
Good quality
DARTOIS E.
Reviewed in Belgium on August 6, 2024
bonjour trés satifais merci a vous
Shailesh
Reviewed in the United States on December 9, 2024
Comes with long 5/16 T-bolts for effective clamping.
Roberto
Reviewed in Brazil on July 18, 2023
Produto de ótima qualidade, muito resistente
Cesar Garcia
Reviewed in Mexico on May 22, 2023
es un producto muy resistente en conjunto con las guías de aluminio que adquirí hace que sea muy funcional, no me gustó que no se adapta al 100 % con las guías de otra marca que compre, sin embargo haciendo algunas adaptaciones a la base de estos, quedaron muy bien.
Customer
Reviewed in the United States on November 25, 2023
I use these for workholding jigs in my woodshop. I like the little protective rubber tips on these. These work fine in the Powertec T-tracks that I use in my shop. I think the T-bolt is a 5/16” size. In one project involving a T-track on a straightedge device from another company, the Powertec T-bolt wouldn’t fit in the track so I replaced the T-bolt on the clamp with a 1/4-20 T-bolt and replaced the star nut to match, but I had those on hand so it was not a problem. I guess the other option would have been to file down the head of the T-Bolt until it fit. I recommend these hold-downs and will order more when I need them, but I do recommend checking first to see the T-tracks you use in your shop can accept 5/16” T-Bolts.
Ana
Reviewed in the United States on April 16, 2023
I bought these to hold down a cutting-board-sized piece of wood to my toolbox to keep it from slipping (and I can still move it around as I need it) which I use for cutting, trimming and many other things (I have very small spaces to work in so I need multi-functionality as much as possible). These clamps hold it down perfectly. I am very well pleased with the whole thing, very sturdy (my board does not move at all), and good materials. Definitely I will buy again!
Ascrept49
Reviewed in the United States on September 11, 2022
Factoring in what I want, this is a nice set for the money. They’re functional for T-tracks and provide the versatility with my CNC too. The padded ends help with grip and also to prevent clamp indents on my materials. The pads look cheap, so as to how long they'll actually last with repeated use, remains a question that time will tell.
Customer
Reviewed in Australia on December 21, 2022
Great quality hold down clamps which work perfectly with Powertec T-track. Powertec reliability and consistent quality.
Bob
Reviewed in the United States on November 15, 2022
These are high quality pieces with easy to turn handles.Initially, these "T" parts didn't fit into my T track - just a bit too wide. Problem solved with a couple minutes on a grinder - work great!
Bertrand Saint-Denis
Reviewed in Canada on May 4, 2021
Changed from 1 to 5 stars. Initially received an empty package. Contacted Amazon client services and they sent me another set right away… got them two days later. The clamps are as advertised and work perfectly 👍
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