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Aifeier ET 16 Pcs 1/4"-20 Inch Knob | Black Nylon Screw-On Type Thru Threaded Nuts | 6-Star Shape Hand Tighten Clamping Knobs (0.25"/6.35mm)
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified May 7, 2026 10:38 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
Product Details
✓【Premium Material】The threaded knobs are made of high quality nylon and galvanized carbon steel, reliable, good toughness, strong anti-aging ability, smooth and beautiful, long service life
✓【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
✓【Easy to Control】Star shaped design, well-made, accord to ergonomic, comfortable hand grip and non-slip without scratching hands. The bolt can go all the way through the tightening knob, and stick out the top to give plenty of adjustment range
✓【Wide Application】The screw-on clamping knobs fit for lathe machine, mechanical equipment, instrument and apparatus. It can be used in drill press, lathes, fixture, feather board and fences, and other places where 1/4 inch female thread is needed
✓【Package Included】16 × 1/4"-20 Star Knob Handle. Color: Black; suitable for 1/4-20 rod
⚙️ Specifications
Fastener Type
Knob
Thread Size
1/4"
Exterior Finish
Black
Color
Black
Finish Type
Galvanized
Thread Type
Unified National Coarse
Inside Thread Size
1/4"-20
Thread Class
UNC
Screw Head Style
Star
Item Dimensions
1.1 x 0.5 x 0.5 inches
Size Name
16 pcs 1/4"-20
