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Products verified: June 4, 2026
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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.
【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;
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
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
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
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.
【You Will Get】4 pieces M8 x 20mm hand knob tightening screw.
【Quality Material】Plum blossom head is made of high quality plastic, sturdy and durable, not easy to deform, smooth surface, comfortable to hold, not easy to fall off. The screw is made of carbon steel, zinc-plated surface, overall smooth and...
【Size】Thread size: M8 x 20mm / 0.31" x 0.79" (D x L); Head diameter: 38mm / 1.5"; Head thickness: 17.2mm / 0.68". Please check the thread you need before buying size.
【Easy to Use】No additional tools required, these umbrella base screw knob replacements install easily, comfortable in hand and ergonomic, easy to turn with just your fingers and will not scratch your hands.
【Wide Application】These male threaded knobs can be widely used as replacements, accessories, jigs and fixtures, etc. Suitable for rack bracket, speaker stands, woodworking fixtures, other mechanical equipment, a replacement for fastening screws in...
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...
【What You Will Get】You will receive 4 pieces M8 hand knob tightening screws. Head diameter: 37mm (1.45"). Thread diameter: 8mm (0.31"). Please check the size before purchasing.
【Well Made】Each clamping knob has a brass insert that molded in a plastic knob. Its brass inner thread greatly reduces slippage from the compatible bolt. Works great as a holding jig, requires little effort to loosen and tighten back up.
【High Quality Material】On type thru threaded nuts handles are made of high-quality plastic and brass, sturdy for long-term use. Accord to ergonomic design, good surface finish, comfortable hand grip and non-slip without scratching hands.
【Quick & Easy Installation】The star knobs adopt a special plum 7-star design, easy adjustment and tightening with control and agility. Can be installed and removed by hand and without the use of additional tools.
【Wide Scope of Application】Knurled thread knob widely used in machinery equipment, instrument and apparatus, industry equipment, can be used in saw fence, drill press, lathe, routing jig, fixture, furniture and so on.
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
Last update on 2026-06-04 / 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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