Tools & Home Improvement

The Best Star Knobs

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Star knobs are essential for securing and adjusting various components in machinery, equipment, and furniture. Their ergonomic design allows for easy gripping and tightening, even in tight spaces. Selecting the right star knob ensures reliable performance, user comfort, and the longevity of your equipment.

No. 1
Aifeier ET 4 Pcs 1/4"-20 Inch Knob Black Nylon Screw-On Type Thru
  • 【Premium Material】Made of high quality nylon and galvanized carbon steel, reliable, good toughness, strong anti-aging ability, smooth and beautiful, long service life.
  • 【Easy to Control】Star shaped design, well-made, accord to ergonomic, comfortable hand grip and non-slip without scratching hands.
  • 【Size】Female thread type: 1/4"-20, Thread diameter: 1/4 inch (0.25"/6.35mm), Teeth per inch: 20 teeth, Pitch: 0.05 in (approx. 1.27 mm); Head diameter: 1.10 inch/28mm; Total height: 0.50 inch/12.7mm.
  • 【Application】Widely used for lathe machine, mechanical equipment, instrument and apparatus, food and pharmaceutical industry equipment. It can be used in drill press, lathes, fixture, feather board and fences, and other places where 1/4 inch female...
  • 【Package Included】4 × 1/4"-20 Star Knob Handle. Color: Black;
No. 2
POWERTEC 10 Pack 1/4"-20 5 Star Knobs with 2" Threaded Stud, Thumb Screw Knobs with bolts for Lawn Mower...
  • INCLUDES: (10) 5-Star Knobs with 1/4”-20 Threaded Studs
  • FUNCTION: Provides safe, secure hand-grip – allowing you to position, tighten or hold your equipment in place
  • CONVENIENT: Perfect tool-less studded knob replacement fastener and an alternative to similar sized handles, or round knobs with projected studs
  • APPLICATIONS: Ideal for heavy-duty clamping jobs, t-track assemblies, hand tools, feather boards, saw fences, drill press, woodworking jig making kits and fixtures
  • PREMIUM DESIGN: Features a black, thermoplastic construction with a five star grip, matte black finish and a molded-in threaded stud engineered out of zinc plated steel
No. 3
10 Sets of 1/4"-20 T Track Knob Kit, Star Knobs Kit 1/4-20 Threaded Bolts
  • 𝐏𝐮𝐫𝐩𝐨𝐬𝐞: The T-track knob kit is compatible with any universal tracks, T-tracks, and dual-cut tracks that can accept standard 1/4" bolt heads. Helps to secure various fixtures and fittings while optimizing your favorite T-track...
  • 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥: The t track bolts and washers are made from blue zinc-plated carbon steel, while the star perforated knobs are made from PP and zinc-plated carbon steel. They all feature rust resistance, corrosion resistance, high...
  • 𝐒𝐢𝐳𝐞𝐬: The star-shaped knob has a diameter of 1.26", the inner nut has a diameter of 1/4", the height is 0.51", the t bolts has a thread diameter of 1/4", and the thread length is 1-1/2". The flat washer has an inner diameter of 1/4"
  • 𝐖𝐢𝐝𝐞𝐥𝐲 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐛𝐥𝐞: These t track accessories are widely used for fixtures, equipment, furniture, planers, drill presses, and other workshop accessories, it is the perfect tool for installing or replacing...
  • 𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐬: You will receive 10 sets of t track hardware, includes: 10 pcs T-bolts, 10 pcs star knobs, and 10 pcs flat washers. The quantity is ample to meet your daily usage needs
No. 4
POWERTEC 5 Pack 1/4"-20 5 Star Knobs with 2" Threaded Stud, Thumb Screw Knobs with bolts for Lawn Mower...
  • INCLUDES: 5-Star Knobs with 1/4”-20 Threaded Studs (pack of 5)
  • FUNCTION: Provides safe, secure hand-grip – allowing you to position, tighten or hold your equipment in place
  • CONVENIENT: Perfect tool-less studded knob replacement fastener and an alternative to similar sized handles, or round knobs with projected studs
  • APPLICATIONS: Ideal for heavy-duty clamping jobs, t-track assemblies, hand tools, feather boards, saw fences, drill press, woodworking jig making kits and fixtures
  • PREMIUM DESIGN: Features a black, thermoplastic construction with a five star grip, matte black finish and a molded-in threaded stud engineered out of zinc plated steel
No. 5
Rrina 8 Sets M6 7 Star Through Hole Knob Nut Screw Clamping Knurled Threaded Knob Assortment Kit, Black Nylon...
  • MATERIAL: Knob made of high-quality nylon female thread knurled brass, screw made of 304 Stainless Steel.
  • PACKING QUANTITY: 8Pcs knob nuts; 4Pcs M6x60 screws; 4Pcs M6x80 screws; 8Pcs nuts; 4Pcs T-Nuts(2020); 2Pcs T-Nuts(3030); 2Pcs T-Nuts(4040).
  • SUITABLE FOR: Used for mechanical equipment, instruments, drilling machines, lathes, wiring fixtures, etc.
  • Easy to use, can be installed and removed by hand, very convenient.
  • Note: Please confirm whether size is appropriate before placing the order.
No. 6
MOZEAT LENS 20 Pack 1/4-20 Knob 6 Star Knobs 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs...
  • Well Made: Each 1/4-20 knob has a brass insert that molded in a plastic knob. The thru knobs have enough threads that are intended to thread on a bolt to clamp them together.
  • Easy to Use: The star knobs work great as a holding jig, holds steady and requires little effort to loosen and tighten back up.
  • Female Thread Size: T track knob threading is 1/4 inch in diameter , suitable for 1/4-20 rod.
  • Handy Design: The bolt can go all the way through the tightening knob, and stick out the top to give plenty of adjustment range, which is handy when the screw happens to be longer than you need it to be.
  • Wide Application: The screw-on clamping knobs fit for routing jig, saw fence, drill press, lathe, fixture which requires a 1/4-Inch 20 female thread.
No. 7
POWERTEC 10 Pack 1/4"-20 5 Star Knobs with 1" Threaded Stud, Thumb Screw Knobs with bolts for Lawn Mower...
  • INCLUDES: (10) 5-Star Knobs with 1/4”-20 Threaded Studs
  • FUNCTION: Provides safe, secure hand-grip – allowing you to position, tighten or hold your equipment in place
  • CONVENIENT: Perfect tool-less studded knob replacement fastener and an alternative to similar sized handles, or round knobs with projected studs
  • APPLICATIONS: Ideal for heavy-duty clamping jobs, t-track assemblies, hand tools, feather boards, saw fences, drill press, woodworking jig making kits and fixtures
  • PREMIUM DESIGN: Features a black, thermoplastic construction with a five star grip, matte black finish and a molded-in threaded stud engineered out of zinc plated steel
SaleNo. 8
Otoolling 6 Set Unique Antique Gold Cast Iron Drawer Pulls & Cabinet Knobs
  • Comprehensive Package: unpack a charming set of 6 unique drawer pulls to satisfy your quantity needs; Each iron piece boasts a hand-painted antique gold finish, presenting star knobs that add a rustic touch to every handle; Screws are included for ease of...
  • Ergonomic Dimensions: these antique gold cabinet pulls are designed with user comfort in mind; At 2.75" high, 2.25" wide, with a 1.25" protrusion, they ensure easy grip; The star-shaped, ergonomically engineered design offers a smooth and comfortable...
  • Durable Iron Craftsmanship: crafted from iron, these star knobs are a sturdy addition to your vintage decor; The antique brass drawer pulls are built for longevity, enhancing the appeal of cabinets or dressers with their timeless modern design; Included...
  • Versatile Gifting Option: these antique gold knobs make for a thoughtful gift, nice for yourself, friends, or family; With a classic design and enduring durability, they transform into a cherished addition to any home; These cabinet knobs offer a blend of...
  • Wide Ranging Uses: whether it's for the bedroom, bathroom, living room, or kitchen, these antique drawer pulls fit seamlessly into any space; With the included screws, enjoy a hassle-free installation, enriching your home's design with these eye-catching...
No. 9
Mozeat Lens 10 Pack 6 Star Knobs 1/4 Inch 20 Female Threaded Hexagon Head Thru Knob Clamping Knobs Jig Knobs T...
  • Well Made: Each 1/4-20 knob has a brass insert that molded in a plastic knob. The thru knobs have enough threads that are intended to thread on a bolt to clamp them together.
  • Easy to Use: The star knobs work great as a holding jig, holds steady and requires little effort to loosen and tighten back up.
  • Female Thread Size: T track knob threading is 1/4 inch in diameter , suitable for 1/4-20 rod.
  • Handy Design: The bolt can go all the way through the tightening knob, and stick out the top to give plenty of adjustment range, which is handy when the screw happens to be longer than you need it to be.
  • Wide Application: The screw-on clamping knobs fit for routing jig, saw fence, drill press, lathe, fixture which requires a 1/4-Inch 20 female thread.
No. 10
Aifeier ET 4 Pcs 3/8"-16 Female Thread Knob Black Nylon
  • 【Size】Female thread specification: 3/8"-16, Thread diameter: 3/8 inch (0.375"/9.525mm), Teeth per inch: 16 teeth, Pitch: 0.063 in (approx. 1.588 mm); Head diameter: 1.59 inch (40.4mm); Total height: 0.66 inch (16.7mm).
  • 【Premium Material】T knobs made of high quality nylon and stainless steels, reliable, fine workmanship, good toughness, strong anti-aging ability, smooth and beautiful, long service life.
  • 【Good Design】Star-shaped design, accord to ergonomic, comfortable hand grip, non-slip without scratching hands. Deep threads, can be very stable tightening screws.
  • 【Application】Suitable for saws, drill press, lathes, fixture, feather board and fences, and other places where 3/8 inch-16 female thread is needed.
  • 【Package Included】4 x 3/8"-16 Star Knob Handle. Color: Black.

Last update on 2026-09-23 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Star Knobs

Material Considerations

Choosing the right material for your star knob is crucial for durability and application suitability. Common options include:
  • Plastic (Nylon, ABS): Lightweight, cost-effective, and resistant to corrosion. Ideal for general-purpose applications where high load-bearing capacity isn't required.
  • Metal (Steel, Stainless Steel, Aluminum): Offers superior strength, durability, and higher load capacities. Steel provides robust performance, while stainless steel offers excellent corrosion resistance, and aluminum is lightweight yet strong.

Thread Size and Length

The thread size and length of the star knob's stud must match the receiving thread of the equipment it will attach to. Standard thread sizes are available, so measure the existing bolt or threaded hole carefully. The length of the stud determines how far the knob can be inserted or adjusted. Ensure the length is sufficient for your needs without being excessively long, which could interfere with other components.

Frequently Asked Questions

What are star knobs used for?
Star knobs are commonly used for manual adjustments and securing components in machinery, jigs, fixtures, and furniture. They provide a comfortable grip for tightening and loosening by hand, making them useful for applications requiring frequent adjustments.
How do I determine the correct thread size?
You can determine the correct thread size by measuring the diameter of the threaded hole or bolt on your equipment. Standard thread sizes are often listed in product specifications, or you can use a thread gauge for precise measurement.
Are plastic star knobs suitable for heavy-duty applications?
Plastic star knobs are generally best for light to medium-duty applications where significant force or weight is not applied. For heavy-duty use, metal star knobs offer superior strength and durability.
How do I choose between steel and stainless steel?
Steel star knobs provide strong mechanical performance and are cost-effective. Stainless steel star knobs are recommended for environments prone to moisture or corrosion, as they offer excellent rust resistance.
Can star knobs be used outdoors?
Yes, star knobs can be used outdoors, especially if they are made from corrosion-resistant materials like stainless steel or appropriate plastics. Consider the specific environmental conditions, such as exposure to UV rays, moisture, and extreme temperatures, when making your selection.

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4 Updates: comparisons are refreshed regularly as prices and availability change.

Our comparisons are reviewed and updated regularly to reflect the latest products and prices.

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