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$48.99
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M4 x 30mm Thread Clamping Knob, Thumb Screw, Star Hand Knob Tightening Screw Knob for Machinery, 30Pcs
★★★★★
$48.99
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About this item
- Thread Size: M4 x 30mm/0.15” x 1.18” (D*L); Head Diameter: 25mm/0.98”.
- The head is made of plastic, with good toughness and strong anti-aging ability. The screw is corrosion resistant.
- This plastic hand knob is easy to install, can remove without need of any tools.
- Screw on type design, smooth lines and finger grip spacing for simple turning.
- Widely used in lathes, mechanical equipment, instrument and apparatus, industrial equipment.
Product description
Specification: Product Name: Screw Knob Thread Size: M4 x 30mm/0.15” x 1.18” Head Diameter: 25mm/0.98” Total Height: 38mm/1.49” Material: Plastic, Carbon Steel Color: Black Package Content: 30 x Screw Knobs
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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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