Looking for the best star knobs with through holes for 1/4-20? We’ve curated a list of the top 10 durable and reliable star knobs to simplify your DIY or professional projects.
Star knobs with through holes are essential tools for anyone working with T-tracks, jigs, or machinery. These knobs make tightening and adjusting parts quick and easy. They are perfect for DIY projects and professional use.
The through-hole design allows bolts to pass completely through, giving you maximum flexibility. These knobs are durable and reliable, made from high-quality materials like nylon, brass, and stainless steel. They are built to last and handle frequent use.
Whether you’re a hobbyist or a pro, these knobs will simplify your work. They are easy to grip and comfortable to use, making your projects more efficient. Discover the best star knobs for your needs and upgrade your tools today.
List of Top 10 Star Knobs With Through Hole For 1/4-20
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4 Pcs Star Knobs, 1/4-20 Knob Through Hole Hand Tighten Clamping Knobs Plastic Black Threaded Nuts for T Track Bolts, Jig, Mechanical Equipment(1/4”-20) |
These star knobs are perfect for anyone who needs to tighten screws by hand in woodworking, machinery, or DIY projects. They’re easy to grip and work great for T-tracks, jigs, and tools. |
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WOODRIVER Knob Five Star with Through Hole 1/4″-20 Insert |
This knob is perfect for anyone who needs a strong and reliable handle for their woodworking projects. It’s easy to install and works great for cabinets, drawers, or DIY creations. |
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MOZEAT LENS 20 Pack 1/4-20 Knob 6 Star Knobs 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs Jig Knobs T Track Bolts, Black, 554350_3_VNKWeQdRd |
MOZEAT LENS 20 Pack 1/4-20 Knob is perfect for DIY enthusiasts and professionals who need reliable clamping knobs for their projects. It’s ideal for anyone working with tools like drill presses, lathes, or routing jigs that require a 1/4-inch 20 female thread. |
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Elegaperma 30pcs 1/4-20 Star Knobs,1/4″-20 Female Threaded Star Knobs,Hexagon Head Through Hole Clamping Knob,Black Nylon Screw-On Type Thru Threaded Knob Nuts for T Track Bolts,Machine Tool |
Elegaperma’s star knobs are perfect for DIY enthusiasts, hobbyists, and professionals who need reliable and durable parts for their T-track bolts, jigs, or mechanical equipment. |
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guduling 30-Pack 1/4-20 Star Knob,1/4″-20 Female Threaded Knobs,Star Knobs,Hexagon Head Through Hole Hand Tighten Clamping Knob, with Internal Thread for T-Slot Tracks, Jigs & Fixtures |
Guduling 30-Pack Star Knobs are perfect for anyone who works with T-tracks, jigs, fixtures, or machinery. Whether you’re a hobbyist, maker, or professional, these durable, tool-free knobs make adjustments quick and easy. |
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Thinp 20 Pack 1/4-20 Knob, 6 Star Knobs 1/4 Inch Female Threaded Hexagon Head Thru Knob Plastic Clamping Knobs T Track Bolts for Lawn Mower, Umbrella Base, Woodworking Tools & Jigs (Black) |
Perfect for DIY lovers, woodworkers, and makers, these 1/4-20 star knobs are great for projects needing secure fastening. Easy to use and built to last, they’re ideal for 3D printers, CNC machines, and woodworking tools. |
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Mozeat Lens 10 Pack 6 Star Knobs 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs Jig Knobs T Knob |
Mozeat Lens 10 Pack Knobs are perfect for DIY enthusiasts and professionals who need reliable clamping solutions. These 1/4-inch female threaded knobs work great for routing jigs, saw fences, and drill presses, making them ideal for anyone working with tools. |
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M METERXITY 12-Pack 6 Star Knobs, 1/4″-20 Female Thread 0.98″(25mm) Hexagon Head Through Hole Clamping Grip Handles for Machinery/Electronic/Woodworking, Brass Screw-On Threaded Knob [Black] |
Perfect for DIY enthusiasts, woodworkers, and machinery operators, these star knobs are ideal for anyone needing quick adjustments and reliable performance. They’re great for woodworking, machinery, and everyday fixes. |
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Aifeier ET 4 Pcs 1/4″-20 Inch Knob Black Nylon Screw-On Type Thru Threaded Knob Nuts 6-Star Shape Hand Tighten Clamping Knobs (0.25″/6.35mm) |
These 1/4″-20 star-shaped knobs are perfect for anyone who needs reliable, easy-to-use clamping knobs for machines or equipment. Great for lathes, drills, or fixtures, they offer a comfortable grip and long-lasting durability. |
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Innovative Components AN4C-5S3A-21 1.75″ Star Knob thru hole 1/4-20 steel zinc insert black pp (Pack of 10) |
This Innovative Components AN4C-5S3A-21 Star Knob is perfect for anyone needing a reliable, durable knob for their projects. Its smooth grip and scratch-resistant finish make it ideal for frequent use. |
Detailed Reviews
Discover the top 10 Star Knobs With Through Hole For 1/4-20, handpicked for durability, ease of use, and value. Whether you need them for woodworking, machinery, or DIY projects, this guide highlights the best options based on expert reviews and customer feedback. Find the perfect fit for your needs and take your projects to the next level.
1. 4 Pcs Star Knobs, 1/4-20 Knob Through Hole Hand Tighten Clamping Knobs Plastic Black Threaded Nuts for T Track Bolts, Jig, Mechanical Equipment(1/4”-20)

These 4 Pcs Star Knobs are perfect for hand tightening and clamping. They have a 1/4-20 internal thread and a star-shaped handle for easy grip. Use them with T-tracks, jigs, and mechanical equipment.
The high-quality nylon and galvanized carbon steel make these knobs durable and long-lasting. They are resistant to aging and maintain sharp threads. This ensures smooth operation over time.
With a through-hole design, these knobs accommodate long screws and allow easy length adjustment. They are widely used in woodworking, electronics, and machinery. These knobs simplify screw fixation in various applications.
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Perfect For:
These star knobs are perfect for anyone who needs to tighten screws by hand in woodworking, machinery, or DIY projects. They’re easy to grip and work great for T-tracks, jigs, and tools.
Ready to Purchase?
2. WOODRIVER Knob Five Star with Through Hole 1/4″-20 Insert

The WOODRIVER Knob Five Star is a high-quality woodworking accessory. It features a 1/4″-20 insert with a through hole, making it easy to install. This knob is designed to enhance your woodworking projects.
WoodRiver, a trusted brand by Woodcraft, ensures top-notch craftsmanship. Their products are made in America, offering reliable solutions for all your woodworking needs.
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Perfect For:
This knob is perfect for anyone who needs a strong and reliable handle for their woodworking projects. It’s easy to install and works great for cabinets, drawers, or DIY creations.
Ready to Purchase?
3. MOZEAT LENS 20 Pack 1/4-20 Knob 6 Star Knobs 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs Jig Knobs T Track Bolts, Black, 554350_3_VNKWeQdRd

MOZEAT LENS 20 Pack Star Knobs are well-made and durable. Each knob has a brass insert molded in plastic. They are easy to use and hold steady.
These thru knobs have enough threads to clamp bolts together. The female thread size is 1/4 inch, perfect for 1/4-20 rods. The handy design allows bolts to go all the way through, giving plenty of adjustment range.
The screw-on clamping knobs are great for many tools. Use them with routing jigs, saw fences, drill presses, and more. They are simple to use and work well for tightening and loosening.
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Perfect For:
MOZEAT LENS 20 Pack 1/4-20 Knob is perfect for DIY enthusiasts and professionals who need reliable clamping knobs for their projects. It’s ideal for anyone working with tools like drill presses, lathes, or routing jigs that require a 1/4-inch 20 female thread.
Ready to Purchase?
4. Elegaperma 30pcs 1/4-20 Star Knobs,1/4″-20 Female Threaded Star Knobs,Hexagon Head Through Hole Clamping Knob,Black Nylon Screw-On Type Thru Threaded Knob Nuts for T Track Bolts,Machine Tool

Elegaperma’s 30-piece star knobs are a must-have for any project. Each knob has a 1/4-20 thread size, perfect for T track bolts and more. Keep these handy for quick fixes and daily tasks.
They are durable and reliable, made from high-quality plastic and stainless steel. The star-shaped design makes them easy to tighten and loosen by hand.
These knobs work great for jigs, tools, and machines. Their precision fit ensures your equipment runs smoothly and efficiently.
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Perfect For:
Elegaperma’s star knobs are perfect for DIY enthusiasts, hobbyists, and professionals who need reliable and durable parts for their T-track bolts, jigs, or mechanical equipment.
Ready to Purchase?
5. guduling 30-Pack 1/4-20 Star Knob,1/4″-20 Female Threaded Knobs,Star Knobs,Hexagon Head Through Hole Hand Tighten Clamping Knob, with Internal Thread for T-Slot Tracks, Jigs & Fixtures

The Guduling 30-Pack Star Knobs are perfect for T-tracks, jigs, and fixtures. Each pack includes 30 durable knobs to keep your projects running smoothly.
Stainless steel threads resist rust, while the plastic body stays strong and light. These knobs won’t strip or crack, even with frequent use.
No tools needed—tighten by hand in seconds. Works great in tight spaces and for quick changes. Trusted by hobbyists and pros alike.
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Perfect For:
Guduling 30-Pack Star Knobs are perfect for anyone who works with T-tracks, jigs, fixtures, or machinery. Whether you’re a hobbyist, maker, or professional, these durable, tool-free knobs make adjustments quick and easy.
Ready to Purchase?
6. Thinp 20 Pack 1/4-20 Knob, 6 Star Knobs 1/4 Inch Female Threaded Hexagon Head Thru Knob Plastic Clamping Knobs T Track Bolts for Lawn Mower, Umbrella Base, Woodworking Tools & Jigs (Black)

Thinp 20 Pack 1/4-20 Knobs are perfect for DIY projects. Each pack includes 20 durable T-track bolts. They’re great for woodworking, 3D printing, and more.
The 6-star design offers precise tightening control. The plastic shell and brass core ensure comfort and durability. These knobs are easy to grip and won’t slip.
Use them for lawn mowers, umbrella bases, or CNC machines. They’re versatile and reliable for any task.
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Perfect For:
Perfect for DIY lovers, woodworkers, and makers, these 1/4-20 star knobs are great for projects needing secure fastening. Easy to use and built to last, they’re ideal for 3D printers, CNC machines, and woodworking tools.
Ready to Purchase?
7. Mozeat Lens 10 Pack 6 Star Knobs 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs Jig Knobs T Knob

The Mozeat Lens 10 Pack includes 6 Star Knobs with 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs. These jig knobs are well-made with a brass insert molded in a plastic knob. They have enough threads to clamp securely.
The star knobs are easy to use, working great as a holding jig. They hold steady and require little effort to loosen or tighten. The handy design allows the bolt to go all the way through, giving plenty of adjustment range.
These screw-on clamping knobs fit routing jigs, saw fences, drill presses, and more. They are suitable for 1/4-20 rods and have a wide application for projects needing a 1/4-Inch 20 female thread.
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Perfect For:
Mozeat Lens 10 Pack Knobs are perfect for DIY enthusiasts and professionals who need reliable clamping solutions. These 1/4-inch female threaded knobs work great for routing jigs, saw fences, and drill presses, making them ideal for anyone working with tools.
Ready to Purchase?
8. M METERXITY 12-Pack 6 Star Knobs, 1/4″-20 Female Thread 0.98″(25mm) Hexagon Head Through Hole Clamping Grip Handles for Machinery/Electronic/Woodworking, Brass Screw-On Threaded Knob [Black]

M METERXITY 12-Pack Star Knobs are perfect for quick adjustments. Use them in woodworking, machinery, or electronics. They work well for lathes, drill presses, and more.
Made from durable plastic and brass, these knobs are strong and long-lasting. They resist corrosion, heat, and wear. Enjoy a smooth, comfortable grip every time.
Each pack includes 12 knobs with 1/4″-20 female threads. Installation is simple—just screw them on. Avoid over-tightening to keep threads safe.
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Perfect For:
Perfect for DIY enthusiasts, woodworkers, and machinery operators, these star knobs are ideal for anyone needing quick adjustments and reliable performance. They’re great for woodworking, machinery, and everyday fixes.
Ready to Purchase?
9. Aifeier ET 4 Pcs 1/4″-20 Inch Knob Black Nylon Screw-On Type Thru Threaded Knob Nuts 6-Star Shape Hand Tighten Clamping Knobs (0.25″/6.35mm)

The Aifeier ET 4 Pcs 1/4″-20 Inch Knob is a durable and reliable solution for your tightening needs. Made from high-quality nylon and galvanized carbon steel, these knobs are built to last. They come in a sleek black color and feature a 6-star shape for easy grip.
These knobs are easy to control and comfortable to use. The star-shaped design provides a secure grip, making it simple to tighten or loosen as needed. Perfect for various applications, from lathe machines to food industry equipment.
With a thread diameter of 1/4 inch and a total height of 0.50 inch, these knobs are compact yet functional. The package includes 4 knobs, making it a great value for your projects. Get your Aifeier ET knobs today and experience the difference in quality.
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Perfect For:
These 1/4″-20 star-shaped knobs are perfect for anyone who needs reliable, easy-to-use clamping knobs for machines or equipment. Great for lathes, drills, or fixtures, they offer a comfortable grip and long-lasting durability.
Ready to Purchase?
10. Innovative Components AN4C-5S3A-21 1.75″ Star Knob thru hole 1/4-20 steel zinc insert black pp (Pack of 10)

The Innovative Components AN4C-5S3A-21 Star Knob is a durable and stylish solution for your projects. With a 1.75-inch size and 1/4-20 steel zinc insert, it offers a secure grip and easy turning.
This pack of 10 knobs features a contemporary satin finish, resisting scratches and dirt. They won’t crack, discolor, or become brittle, ensuring long-lasting performance.
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Perfect For:
This Innovative Components AN4C-5S3A-21 Star Knob is perfect for anyone needing a reliable, durable knob for their projects. Its smooth grip and scratch-resistant finish make it ideal for frequent use.
Ready to Purchase?
Buying Guide
Star knobs with through holes are essential tools for anyone working with T-tracks, jigs, or machinery. These knobs make tightening and adjusting parts quick and easy.
Choosing the best star knobs can upgrade your tools and simplify your work. Here’s what to consider when buying:
- Material: Look for durable materials like nylon, brass, or stainless steel. These ensure long-lasting performance and handle frequent use.
- Thread Size: Ensure the 1/4-20 thread size fits your bolts. This guarantees compatibility and smooth operation.
- Design: Opt for a star-shaped handle with a through-hole design. It provides easy grip and maximum flexibility for long screws.
- Durability: Choose knobs that resist aging, rust, and wear. High-quality materials ensure they won’t strip or crack.
- Ease of Use: Pick knobs that are easy to tighten by hand. No tools needed means quicker adjustments and efficient work.
- Application: Consider your needs—woodworking, electronics, or machinery. Versatile knobs work well across various projects.
- Quantity: Buy in packs (like 4, 10, or 30) to save time and money. Having extras ensures you’re always prepared.
- Brand Reliability: Trusted brands like WOODRIVER or MOZEAT LENS offer top-notch craftsmanship and reliable performance.
With these factors in mind, you’ll find the perfect star knobs to enhance your projects. Upgrade your tools today and experience the difference in quality and efficiency!