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$20.99
sourcing map 2pcs Knurled Clamping Knobs Thumb Screws M6 x 45mm Metric Male Thread 38mm Plastic Round Head Carbon Steel Stud Threaded Knob Thumbscrew Handle Hand Tightening Screw, Black
★★★★★
$20.99
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3 availableSize: M6 x 45mm x 38mm
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1
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About this item
- Size - Standard metric thread size: M6 (1mm pitch); thread length: 45mm / 1.77"; head diameter: 38mm / 1.5"; total length: 66mm / 2.6"; color: black; knob style: knurled
- Material - Zinc plated carbon steel threaded studs on hand knurled clamping knobs ensure durability, strength, corrosion resistance, rust prevention, wear resistance, and functionality, providing reliable performance in various environments. PP plastic round handle knob is durable, and can withstand daily wear and tear, lightweight and easy to use.
- Features - Knurled texture on the hand knob surface provides better grip, making it easier to tighten or loosen the knob. Tightly-in threaded metal stud insert is machine-injected at high temperatures to securely connect the parts together, easy to install. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. Threaded knobs provide a smooth surface, comfortable grip and ergonomic operation.
- Applications - Knurled thumb screws are commonly used in applications that require frequent adjustments or tightening. Metric male hand knobs can be widely used in lathes, drill presses, sawing machines, packaging and woodworking machinery, printing, instrument and industrial equipment, and fixtures.
- Note - Always tighten the threaded knob handle securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the black plastic hand knob if necessary.
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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