New Arrivals/Restock

MroMax 10Pcs 1/4"-20 x 1 Threaded Knurled Thumb Nuts, Black Plastic Knobs Clamping Screws, Grip Knob Screw for Replacing Umbrella Base

flash sale iconLimited Time Sale
Until the end
19
21
28

$5.99 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $9.99
quantity

Product details

Management number 219159628 Release Date 2026/05/03 List Price $4.00 Model Number 219159628
Category
  • 【Size】Thread diameter: 1/4"; Thread Length: 1"; Star knob diameter: 25mm/0.98"; Star knob overall thickness: 11mm/0.43".
  • 【High Quality Material】Star shaped knob thread is made of carbon steel, which is wear-resistant, rust resistant, and corrosion-resistant; The knob is made of plastic, with a smooth and crack free surface, lightweight and durable.
  • 【Easy to install】Star shaped clamping knob provides good tightening control to screw effectively and safely without scratching hands.
  • 【Wide Application】Threaded knob is suitable for various applications, including machine, mechanical instrument, furniture modification, umbrella base replacement and other industry applications.
  • 【Ample Quantity】you will receive 10 pieces threaded knurled thumbscrews, which can be installed in any place you need, and meet your daily use and replacement.

Brand MroMax
Color Black
Set Name 10
Size Name 1/4" x 1"
Unit Count 10.0 Ounce
Drive Style Star
Part Number MRO241016A-0002-FBA
Thread Size 1/4
Thread Type Unified National Coarse (Unc)
Finish Types Unfinished
Grade Rating commercial
Manufacturer MroMax
Thread Class Coarse
Thread Style Unified, 1/4-20, Right Hand
Fastener Type Knurled
Item Diameter 0.25 Inches
Material Type Carbon Steel, Plastic
Exterior Finish Zinc
Item Dimensions 2.6 x 2.13 x 1.61 inches
Number Of Items 10
Thread Coverage Fully Threaded
Number of Pieces 10
Screw Head Style Flat
Inside Thread Size #4
Compatible Groove Diameter 0.25 Inches

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review