Best 3/8-16 Thread Knobs

1. Aifeier ET 4 Pcs 3/8″-16 Female Thread Knob Black Nylon 5 Star Shaped Head Clamping Nuts Knob (ID 0.375″/9.525mm)

The Aifeier ET 4 Pcs 3/8″-16 Female Thread Knob is a durable and reliable solution for your clamping needs. These black nylon knobs feature a 5-star shaped head, offering a comfortable and non-slip grip.

Made from high-quality nylon and stainless steel, these knobs are built to last. They have deep threads for a secure hold, ensuring a stable tightening every time.

Perfect for saws, drill presses, lathes, and more, these knobs are versatile and practical. With a package of 4, you’ll have enough for multiple projects, making them a great addition to your workshop.

2. (4pcs) 481625-01 Wing Nut Knob 3/8″-16 x 1-1/4″ For Scag Grass Catcher Cheetah Turf Tiger & More,Fits SFZ48-18FR SCZ61RD-31FX SFW48-16BV SFZ48-18FR SCZ52V-23FX

This 4-piece set of wing nut knobs is designed for Scag lawn mowers. Each knob measures 3/8″-16 x 1-1/4″ and replaces part 481625-01. These durable knobs are essential for securing parts on your mower.

They fit many Scag models, including Cheetah, Turf Tiger, and Grass Catcher. Whether you have a GC-STC or a STTII-52V-26CH-EFI, these knobs work perfectly. Check your model to ensure a perfect fit.

Installing these knobs is quick and easy. They help keep your mower running smoothly and safely. With four in a pack, you’ll have spares ready when needed.

3. 6 Pcs 3/8-16 Threaded Knob Nut, 5 Star Shaped Female Thread Knob with Sturdy PP and Stainless Steel Thread, Black Plastic Star Knobs Screw-On Clamping Knobs for Tool, Machinery & Equipment (3/8″-16)

These 6 black star-shaped knobs are perfect for tightening and clamping tools and machinery. Made with durable plastic and stainless steel, they resist wear and corrosion. Their ergonomic design ensures a comfortable, non-slip grip.

Each knob fits 3/8″-16 rods and bolts, making them ideal for various projects. The 6-piece pack is great for both professionals and DIYers.

4. 4 Pcs Star Knobs, 3/8-16 Knob Through Hole Hand Tighten Clamping Knobs Plastic Black Threaded Nuts for T Track Bolts, Jig, Mechanical Equipment (3/8”-16)

These 4 Pcs Star Knobs are perfect for tightening screws by hand. They fit 3/8-16 rods and are made from high-quality materials. Use them for T-tracks, jigs, and more.

Easy to grip, tighten, and disassemble. No tools needed. Star shape makes them simple to use.

Through-hole design works with long screws. Great for woodworking, machinery, and fixtures. Durable and anti-aging for long-lasting use.

5. 5Pcs 3/8″-16 Threaded Ball Knobs,1 3/8″ Dia Ball Knob Female, 5/8″ Thread Depth, 1/16″ Thread Pitch, 2/5″ Thread Dia Female Thread, Bakelite Handle Thermoset Ball Knob Lawn Mowers Black

These 5 black ball knobs are made from strong Bakelite, perfect for tough outdoor use. Each knob has 3/8″-16 threads and a 1 3/8″ grip for easy handling. They work great for lawn mowers and other machines.

The 5-pack offers great value for multiple projects. These knobs are durable and reliable for any adjustment needs.

6. Guduling 12pcs Star Knob 3/8-16, 6-Star 3/8″-16 Female Thread Knob,Black 3/8-16 Star Knob for T Track Bolts Jigs Knobs Sawing Machine, Drilling Machine, Lathe (ID 0.375″/9.5mm)

Guduling Star Knobs are a 12-piece set with 3/8″-16 female threads. Each knob is black, durable, and easy to use. They fit perfectly on T-track bolts and jigs.

Made from high-quality plastic and stainless steel, these knobs are built to last. The star-shaped design offers a comfortable grip and prevents slipping. They work well on machines and tools without scratching your hands.

Use these knobs on drill presses, fixtures, and industrial equipment. They are versatile and simple to install, making them a great choice for any project.

7. POWERTEC 5 Pack 3/8″-16 T Knobs, Threaded Clamping Knobs for Woodworking Jigs on Miter Saw, Router Table, Drill Press, Clamps, Furniture, Mechanical Equipment, Instrument and Apparatus (71074)

The POWERTEC 5 Pack 3/8″-16 T Knobs are durable and easy-to-use. They come in a pack of five, ready for your projects. These threaded clamping knobs work great for woodworking and more.

They offer a safe, secure grip for tightening control. Use them as a tool-less replacement for old knobs. They’re perfect for t-track assemblies and hand tools.

Each knob is made of high-quality thermoplastic with a smooth finish. They won’t crack under pressure, ensuring long-lasting use.

8. (8pcs) 481625-01 Wing Nut Knob 3/8-16 for Most Scag Lawn Mower Models

This 8-piece set of wing nut knobs is designed for Scag lawn mowers. Each knob measures 3/8″-16 x 1-1/4″ and replaces part number 481625-01.

These wing nut knobs fit most Scag models, come in a pack of 8, and are easy to install.

9. Ryanuisto 5Pcs 3/8″-16 Threaded Ball Knobs,1 3/8″ Dia Ball Knob Female, 5/8″ Thread Depth, 1/16″ Thread Pitch, 2/5″ Thread Dia Female Thread, Bakelite Handle Thermoset Ball Knob Lawn Mowers Black

Ryanuisto 5Pcs Ball Knobs are built tough for heavy-duty use. They feature 3/8″-16 female threads for a secure fit. The 5/8″ thread depth ensures vibration-resistant fastening.

Made from durable Bakelite, these knobs resist chemicals and last long. The 1-3/8″ ball handle is easy to grip, even with gloves. Perfect for lawn mowers and machinery.

This 5-pack offers great value for multiple projects. Ideal for replacements or workshop needs. Black finish adds a sleek look.

10. Piriuuo 4 Pcs Threaded Knobs 3/8-16 Knob Star Knobs Female Thread Knobs Clamping Nuts Knobs Thumb Screw Threaded Knobs for T Track Bolts Jigs Knobs

Piriuuo 4 Pcs Threaded Knobs are a great value set for your projects. Each set includes 4 pieces, enough for multiple uses. These star knobs are designed for precision and reliability.

Made from high-quality nylon and copper, these knobs are built to last. The female thread size is 3/8-16, ensuring a perfect fit every time.

The 5-star design is ergonomic and easy to use. These knobs are widely applicable for t track bolts, clamps, and drill presses.