M4 x 6mm O/D x 4mm Length Spacers - Brass

These are M4 Clearance Inside Diameter spacers / stand off collars with a 6mm Outside Diameter. These are manufactured in-house from Brass using

100 Pcs PC Motherboard Brass Standoff Hexagonal Spacer M3 7+4mm

25pcs M2.5 8mm Brass Spacer Standoff Male to Female Hex Spacing Screw Threaded Separator Circuit Support Component Replace Spare Part Tool - Hong Kong

M3 6+6mm F/M Hex Standoff Spacer Screws PCB Pillar 88 Pcs - Brass Tone(Brass) - M3 6+6mm(88 pcs) - Bed Bath & Beyond - 27580057

6mm x 3.2mm x 4mm Spacers - Nickel Plated Brass

WHITE Nylon SPACERS

10 Pcs PCB Motherboard Standoff Hex Spacer Screw Nut M3 Male 4mm to Female 7mm

Spacer sleeve M-F threaded M4, length 30mm, steel - Kamami on-line store

STRUCTURE - Standoffs & Spacers - Spacers - 4mm ID x 6mm OD Spacers - goBILDA®

M4 Metric Brass Countersunk Slotted Head Machine Screws - Spalding Fasteners

M4 Male thread x M4 Female thread.

M4 Male x M4 Female Brass Hex Standoff Spacer - 5mm to 25mm

M4 Brass Spacers, 5 Pcs Metal Spacer Brass 4mm ID x 6mm OD x 10mm L Brass Spacers Standoff for 5/32 Inch or M4 Screw