Threaded Hex Spacer/Standoff Female, 1/2 x 1/4-20 x Available in Many Lengths by Metal Spacers Online (1 Length, 2)

Outside Size: 1/2 Inside Size: 1/4-20 Threaded Length: Varies-Choose Length Shape: Hex Material: Aluminum

Standoffs - Threaded Standoffs

Spacers - Fasteners - The Home Depot

UNC 6#-32 & 1/4-20 & 3/8-16 Brass Hex Standoff Pillars Hexagon Female Threaded Studs PCB Motherboard Spacer Nuts Hollow Column - AliExpress

Electronic Hardware

RS PRO Standoff, M5 x M5 Thread, 30mm Body, Brass, Male/Female, 8mm Stud

Nuts & Bolts and Screws Store Stainless Steel Fasteners Online Spacers & Standoffs - Electronic Hardware

M6 x 20 mm + 8 mm Male to Female Hex Brass Spacer Standoff 5 Pcs

J&J Products, Inc ] M5 Brass Insert 40pcs,8.3mm OD, 6.75 mm Length, Female M5 Thread, Press Fitting or Heat Sink or Injection Molding Type, 40 pcs - Yahoo Shopping

Outside Size: 1/2 Inside Size: 1/4-20 Threaded Length: Varies-Choose Length Shape: Hex Material: Aluminum

Threaded Hex Spacer/Standoff Female, 1/2 x 1/4-20 x Available in Many Lengths by Metal Spacers Online (1 Length, 2)