Best M4 Hardware Spacers in 2026

Sufficient Quantity: you will get 8 pieces of 1 inch OD x 3/8 inch ID x 1 inch thick rubber spacers, which are enough to meet your daily use and replacement needs

Quality Material: the rubber bushings are made of quality neoprene material, tough and wear resistant, which can last for a long time and give you a good user experience

Easy to Install: you can use these black round rubber spacers flexibly according to the appropriate situation and scene without requiring other extra tools, easy and convenient for use

Sufficient Quantity: you will get 16 pieces of 1 inch OD x 3/8 inch ID x 1 inch thick rubber spacers, which are enough to meet your daily use and replacement needs

Quality Material: the rubber bushings are made of quality neoprene material, tough and wear resistant, which can last for a long time and give you a good user experience

Easy to Install: you can use these black round rubber spacers flexibly according to the appropriate situation and scene without requiring other extra tools, easy and convenient for use

Length: 0.50" (1/2")

OD: 0.5" (1/2")

ID: 0.194"

♥ ♥ HIGH QUALITY ----- Insulated nylon material is strong and light. When you try to reduce weight or need it to be non-conductive, such as isolating or tightening PCB, using carbon fibers, etc., make these components suitable for application.

♥ ♥ VARIOUS SIZES FOR DIFFERENT USE ----- Plastic Round Spacer Assortment Kit, OD 11mm, ID 6.2mm, L 3 to 25mm. Including 3mm, 4mm, 5mm, 8mm, 10mm, 12mm, 15mm, 18mm, 20mm, 25mm standoffs, with enough hex nuts and screws to pair with them, are included for most modules’ secure and gentle mounting.

♥ ♥ GREAT VALUE ----- This item Packed in a plastic box, 100% new, never used, RoHS compliant. A diagram inside the storage box corresponds to the every compartment with labels so you know what size each part is and where to get it in the box.

What you will get: package includes 120 pieces electrical outlet spacers in 6 different lengths, 20 pieces for each length; Sufficient quantity provide you an easy way to fix wonky or sunken outlets that aren't installed right

Various sizes: the outer diameter of these round spacer assortment kits is 11 mm and inner diameter is 6 mm, come with 6 diverse lengths, including 5 mm/ 10 mm/ 15 mm/ 25 mm/ 35 mm/ 45 mm; Various specifications meet you daily different demands, suitable for most screws

Reliable material: these electrical screws spacers are made of quality rubber material, which are durable, soft and stable, resist temperature between -60 degree centigrade to 200 degree centigrade, can serve you for a long time

What you will get: package includes 120 pieces electrical outlet spacers in 6 different lengths, 20 pieces for each length; Sufficient quantity provide you an easy way to fix wonky or sunken outlets that aren't installed right

Various sizes: the outer diameter of these round spacer assortment kits is 11 mm and inner diameter is 6 mm, come with 6 diverse lengths, including 5 mm/ 10 mm/ 15 mm/ 25 mm/ 35 mm/ 45 mm; Various specifications meet you daily different demands, suitable for most screws

Reliable material: these electrical screws spacers are made of quality rubber material, which are durable, soft and stable, resist temperature between -60 degree centigrade to 200 degree centigrade, can serve you for a long time

Nylon Round Spacer Assortment Kit.

Length 3mm ~ 20mm, 10 values (each 10 pieces),

Outer diameter: 7mm / 0.276", internal diameter 3.2mm / 0.126".

Outside diameter: 1/2"/12.7mm

Inside diameter: 1/4"/6.52mm (fits 1/4" or M6 bolts)

Length: Varies-Choose Length

Outside diameter: 1/2"/12.7mm

Inside diameter: 1/4"/6.52mm (fits 1/4" or M6 bolts)

Length: Varies-Choose Length

What You Will Get: the package comes with 4 pieces of rubber bushings, the quantity is enough to satisfy your use and replacement needs

Dimension Information: the rubber washer is about 1 inch in outer diameter, 3/8 inch in inner diameter, 1/2 inch thickness, please check the size before ordering

Strong Material: the rubber spacer is made of quality neoprene material, which is strong, tough and serviceable, not easy to break or get out of shape, which can be applied for a long time

Outside diameter: 1/2"/12.7mm

Inside diameter: 5/16"/8.1mm (fits 5/16" or M8 bolts)

Length: Varies-Choose Length

Premium Material: The round screws spacers are made of excellent nylon plastic material, which has good temperature resistance, oil resistance, corrosion resistance and tear resistance and is durable for a long service life.

14 Sizes: 40 pieces 3x7x3; 20 pieces 3x7x5; 20 pieces 3x7x6; 20 pieces 3x7x8; 20 pieces 3x7x10; 20 pieces 3x7x12; 20 pieces 3x7x15; 40 pieces 4x7x3; 20 Pieces 4x7x5; 20 pieces 4x7x6;20 pieces 4x7x8; 20 pieces 4x7x10; 20 pieces 4x7x12; 20 pieces 4x7x15. A total of 320 pieces, suitable for most screws.

Easy to Store: All nylon washers are packed in a plastic storage box with a size label. Allows you to easily identify different types of sealing rings and select the desired size. Providing you an easy way to fix wonky or sunken outlets that aren't installed right.

PCB Support Height is 5mm / 0.20".

The hole size of the bottom plate of the first layer is 5mm~5.5mm, and the thickness of the applicable plate is 0.8mm~1.5mm.

The hole size of the second layer is 3.5mm~4mm, and the thickness of the applicable plate is 1.2mm~1.7mm.

【High qulity】The Round Nylon Outlet Spacers have good insulation, good flame retardant, excellent workmanship, which have good temperature resistance, oil resistance, corrosion resistance and tear resistance and is durable for a long service life.

【14 Sizes】M3-OD 7mm, ID 3mm;M4-OD 7mm,ID 4mm.80 pieces 3x7x5; 50pieces 3x7x5; 40 pieces 3x7x6; 35 pieces 3x7x8; 25 pieces 3x7x10; 20 pieces 3x7x12; 20 pieces 3x7x15; 80 pieces 4x7x3; 50 Pieces 4x7x5; 40 pieces 4x7x6;35 pieces 4x7x8; 25 pieces 4x7x10; 20 pieces 4x7x12; 30 pieces 4x7x15. A total of 550 pieces, suitable for most screws.

【Powerful Functions】These rubber spacers are lightweight, rustproof, stable and insulated. Just measure the length you need for your screws, then choose the proper spacers shorter than the screws, to hold the plate flush against the wall.

[PREMIUM ABS MATERIAL] Tandagy round plastic spacers are made of premium ABS material, featuring high temperature resistance, oil resistance, corrosion resistance and tear resistance. Reinforced nylon rubber material of black nylon round gasket will last its use time and improve its service life.

[14 SIZES] The inner diameter of the round spacer assortment kits is 3MM + 4MM and outer diameter is 7MM. Comes with 7 diverse lengths, including 3MM 5MM 6MM 8MM 10MM 12MM 15MM. Various specifications are suitable for various screws, featuring flexiblility and washability to fit most applications.

[EASY TO STORE & IDENTIFY] All electrical outlet spacer comes with a box with size label for easy transportation, safe storage, and quick organization. Easily identify different sizes and quantities. All total is 320 pieces, is sufficient for your fixation in daily life and work.

High Quality Material: Round screw gaskets are made of excellent nylon plastic material, which has good temperature resistance, oil resistance, corrosion resistance and tear resistance, durable and long service life.

Various Sizes: 40 pieces 3x7x3; 15 pieces 3x7x5; 15 pieces 3x7x8; 15 pieces 3x7x10; 15 pieces 3x7x12; 15 pieces 3x7x13; 15 pieces 3x7x15；40 pieces 4x7x3; 15 pieces 4x7x5; 15 pieces 4x7x8; 15 pieces 4x7x10; 15 pieces 4x712.

Easy to Install: Plastic spacers for screws are an easy, fast and safe installation process, measure the length of screws you need, then choose the appropriate spacer shorter than the screws to make the plate flush with the wall, saving your time and effort.