Best Slotted Shims of 2026

Brian Howie Avatar
Brian Howie
Last Updated: Jan 8, 2026

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Slotted shims are versatile and essential tools used in various industries such as construction, manufacturing, and automotive. These thin, slotted pieces of metal or plastic are designed to fit into gaps or spaces, enabling precise adjustments and alignments. The slots allow for easy insertion and removal, making them ideal for applications where fine-tuning is necessary. Slotted shims are commonly used for leveling, aligning, and spacing purposes, providing stability and accuracy in a wide range of projects. With their practical design and reliable performance, slotted shims are indispensable tools for professionals seeking precision and efficiency.

At a Glance: Our Top Picks

Aifukena 40 Pcs 304 Stainless Steel Slotted Shim Kit Cover #TOP 1
Aifukena 40 Pcs 304 Stainless Steel Slotted Shim Kit
ftb score rating icon 9.8
Small Parts Stainless Steel Slotted Shim Shop Kit Cover #TOP 2
Small Parts Stainless Steel Slotted Shim Shop Kit
ftb score rating icon 9.7
Tsmhisd Universal Body Shim Assortment Kit Cover #TOP 3
Tsmhisd Universal Body Shim Assortment Kit
ftb score rating icon 9.5

Top 10 Slotted Shims

#TOP 1

Aifukena 40 Pcs 304 Stainless Steel Slotted Shim Kit

2" X 2"
silver
Aifukena 40 Pcs 304 Stainless Steel Slotted Shim Kit Cover
40 Pcs 304 Stainless Steel Slotted Shim Kit,8 Different thicknesses, 5 Pcs of Each Thickness (2" X 2")

The Aifukena Stainless Steel Shims set offers 40 precise shims made from durable 304 stainless steel, which resists rust and corrosion, ensuring long-lasting use. Its laser-cut design guarantees smooth, flat shims that fit perfectly for your projects. You'll find eight different thicknesses, each clearly marked and packaged separately, making it easy to pick the right size without confusion. The slotted design helps you fill gaps between surfaces, improving sealing and distributing pressure evenly, which extends the life of your equipment. Plus, the sturdy box protects the thinner shims during shipping, so you receive them in perfect condition.

What We Like
Corrosion-resistant stainless steel
Precise laser-cut dimensions
Clear size markings
Protective sturdy packaging
Versatile slotted design
#TOP 2

Small Parts Stainless Steel Slotted Shim Shop Kit

698158429653
Small Parts Stainless Steel Slotted Shim Shop Kit Cover
Stainless Steel Slotted Shim Shop Kit, Size C, 4" x 4" (Pack of 80)

The Small Parts Stainless Steel Shim Kit is a versatile assortment of shims designed to meet your specific needs. Made from a 300 series stainless steel, these shims are resistant to rust and corrosion, ensuring durability and long-lasting performance. With 10 each of eight different thicknesses ranging from 0.001" to 0.075", you'll have the right shim for any job. The 4" x 4" size and 1-1/4" slot size provide versatility and ease of use. Packaged in a sturdy chipboard box, this kit is organized and easy to store. Whether you're a professional or a DIY enthusiast, the Small Parts Stainless Steel Shim Kit is a must-have tool for precision adjustments and repairs.

What We Like
Durable and corrosion-resistant
Wide range of thickness options
Versatile and easy to use
#TOP 3

Tsmhisd Universal Body Shim Assortment Kit

UBS-256
Silver
Tsmhisd Universal Body Shim Assortment Kit Cover
Universal Body Shim Assortment Kit, 140 Pieces Automotive Body Alignment Shims Stock

The Tsmhisd Body Shim Kit is perfect for car enthusiasts and professional mechanics who need precise adjustments for their vehicles. Made from high-quality zinc-plated steel, these shims resist rust and corrosion, ensuring long-lasting use. You can use them to fine-tune important parts of your car like camber, caster, and toe angles on both front and rear wheels, which helps improve your vehicle’s alignment and handling. Plus, with six popular sizes included, this kit offers versatility for different projects, making it easier for you to find the right shim for your needs.

What We Like
Rust-resistant zinc steel
Adjusts camber and caster
Six popular sizes
Suitable for front and rear wheels
#TOP 4

Vnshuler 8pc 70mm Excavator Bucket Pin Shim

70mm Bucket Pin Shim
70*3mm
Vnshuler 8pc 70mm Excavator Bucket Pin Shim Cover
8pc 70mm Bucket Pin Shim For Excavator loader (70 x 140 x 3mm)

The Vnshuler Bucket Pin Shim is designed to fit excavator loaders with a 70mm inner diameter, 140mm outer diameter, and 3mm thickness. Made from durable polyethylene, this shim resists oil, high temperatures, and wear, ensuring long-lasting performance. You’ll find it easier to install and remove compared to metal shims, saving you time during maintenance. Plus, it reduces friction and noise, making your equipment operate more smoothly. This product helps tighten loose joints between the bucket and boom, which keeps dust out and extends the time between grease applications, ultimately protecting your machinery and improving efficiency.

What We Like
Durable polyethylene material
Easy installation and removal
Reduces friction and noise
Tightens loose joints
Protects against dust and wear
#TOP 5

OTTFF Steel Body Alignment Shim Plate 10 Pack

OT-ZX183-T10-US-F01
Silver
1.6 inches
OTTFF Steel Body Alignment Shim Plate 10 Pack Cover
OTTFF 10 Pack 1-5/8" x 1-5/8" Steel Body Alignment Leveling Shim Plate, Metal Square Washer U Shaped Horseshoe Spacers, 5.6 mm Thick

The OTTFF Steel Shim Plates come in a pack of 10 and are made from durable carbon steel with an electro-galvanized finish that helps resist rust and corrosion, giving you long-lasting use. Each shim measures 1-5/8" by 2" with a thickness of 5.6 mm, providing a sturdy and reliable spacer for your alignment or leveling needs. The 14 mm wide slot hole fits a 1/2" rod, making installation quick and easy. These U-shaped steel shims are designed to help you achieve precise adjustments and support in various construction or repair tasks.

What We Like
Durable carbon steel
Rust-resistant finish
Precise sizing
Easy rod slot fitting
Pack of 10 shims
#TOP 6

Tolare 40-Piece Auto Body & Fender Alignment Shims Kit

AM556461_1_c21ASfQCF
Tolare 40-Piece Auto Body & Fender Alignment Shims Kit Cover
40 Pieces Auto Body And Fender Alignment Shim, Automotive Alignment Shim Assortment Kit With 1/16" & 1/8" Thick, 3/8" Slot Opening Shims, 1/4” Wide, Silver

The Tolare Auto Body Shims kit includes 40 pieces with two thickness options, giving you flexibility for various alignment needs. Made from durable metal, these shims can handle heavy loads without breaking, ensuring they last through many repairs. The special silver zinc coating protects against rust and corrosion, so you can trust them to perform well even in tough conditions. Their smart square U-shaped design spreads the force evenly, improving the shim’s strength and making installation easier without needing extra modifications. This kit is a reliable choice for adjusting your car’s body parts and wheel alignment with confidence.

What We Like
Varied thickness options
Durable metal material
Rust-resistant coating
Strong U-shaped design
#TOP 7

Auveco 20322 Body Shim 1/8" Thick, 50 pcs

20322
Auveco 20322 Body Shim 1/8" Thick, 50 pcs Cover
Auveco # 20322 Body Shim 1/8" Thick. Qty 50.

The Auveco Body Shim is a reliable choice for anyone needing quality fasteners for automotive or industrial use. With over a century of experience, Auveco has built a reputation for delivering durable fasteners that you can trust. Their extensive selection, featuring more than 10,000 types of retainers, clips, and hardware, ensures you can find exactly what you need for your repair or assembly projects. Plus, Auveco partners with top manufacturers both in the US and internationally, so you get products that meet or exceed your vehicle’s specifications. This means you can shop confidently, knowing the Body Shim will fit and perform well.

What We Like
Over 100 years expertise
Wide fastener selection
High-quality manufacturing
Meets vehicle specs
#TOP 8

Kinetic Improvement Stainless Steel Slotted Shim Kit

Kinetic Improvement Stainless Steel Slotted Shim Kit Cover
Stainless Steel Slotted Shim Kit, Size C, 4" x 4" Starter Kit (130 shims)

The Kinetic Improvement Stainless Steel Slotted Shim Kit, also known as the Kinetic Improvement Shim Kit, is a high-quality product made in the USA. This starter kit includes 130 shims, each measuring 4" x 4" in size. The stainless steel construction ensures durability and reliability for various applications. The slotted design allows for easy adjustment and alignment, making it ideal for use in machinery, equipment, and automotive industries. With the Kinetic Improvement Shim Kit, you can easily fine-tune and level components, reducing downtime and improving overall performance. Its compact size and convenient packaging make it easy to store and transport, ensuring you have the right shim at hand whenever you need it. Whether you are a professional or a DIY enthusiast, the Kinetic Improvement Shim Kit is a must-have tool for precision adjustments and repairs.

What We Like
High-quality stainless steel construction
Easy adjustment and alignment
Compact size and convenient packaging
#TOP 9

CGLTD Stainless Steel Slotted Shim Pack Size B

65-SS-B050
Silver
0.050"
CGLTD Stainless Steel Slotted Shim Pack Size B Cover
CGLTD Stainless Steel Slotted Shim Replacement Pack, Size B, 3" x 3" (Pack of 20 shims) (20, 0.050")

The CGLTD Steel Shim Pack offers 20 high-quality stainless steel shims in a size B 3" x 3" format. These shims come in various thicknesses, allowing you to choose the perfect fit for your project, ensuring precise adjustments. Made from durable 304 stainless steel, they resist rust and corrosion, so you can rely on them for long-lasting use. Each shim has its thickness clearly marked in both inches and millimeters, making it easy for you to select the right piece quickly. The design includes rounded corners and a finger tab with a hole, providing added safety and ease when handling the shims.

What We Like
Varied thickness options
Rust-resistant stainless steel
Thickness clearly marked
Rounded corners for safety
#TOP 10

CGLTD Stainless Steel Slotted Shim Pack Size A

65-SS-A100
Stainless Steel
0.100"
CGLTD Stainless Steel Slotted Shim Pack Size A Cover
CGLTD Stainless Steel Slotted Shim Replacement Pack, Size A, 2" x 2" (Pack of 20 shims) (20, 0.100")

The CGLTD Stainless Steel Shims come in a convenient pack of 20 pieces, allowing you to choose from a wide range of thicknesses to match your specific needs. Made from durable 304 stainless steel, these shims resist rust and corrosion, ensuring they last longer even in tough environments. Each shim clearly shows its thickness in both inches and millimeters, making it easy for you to pick the right one quickly. The rounded corners and finger tab with a safety hole help protect your hands while handling the shims, providing both comfort and safety during use.

What We Like
Variety of thickness options
Durable stainless steel material
Thickness marked clearly
Safety features on corners and tab
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are slotted shims used for?

Slotted shims are primarily used under motor feet to adjust the motor's height, allowing for accurate alignment of shafts between pumps and motors. They can also be used to level equipment during installation.

2. What are stainless steel shims used for?

Stainless steel shims are used in corrosive or humid environments to prevent corrosion and the need for frequent replacement. They are used to adjust and bring equipment back into alignment.

3. What are metal shims used for?

Metal shims are commonly used in engineering and industry to adjust for better fit or support. They are used to adjust clearances, tolerances, alignments and act as spacers to fill gaps between parts subject to wear.

4. What sizes do shims come in?

Shims come in various sizes, including A, B, C, D, E, G, and H. Each size has different dimensions and slot sizes to accommodate specific requirements.

5. What are the different types of shims?

Different types of shims include arbor shims, variable shims, slotted shims, shim rings, and shim stock. Each type serves a unique purpose in specific applications, but all are used to take up excess tolerances.

6. What is the best metal for shim?

Stainless steel is an excellent choice for shims due to its strength, hardness, and corrosion resistance. Stainless steel shim stock sheets, in particular, create durable shims that can withstand various conditions.

7. How do I know what size shims I need?

To determine the size of shims you need, you can use the equation: New shim size = (measured valve clearance – specified valve clearance) + old shim size. This formula helps calculate the appropriate shim size based on valve clearance measurements.

8. What is the maximum limit for shims?

The maximum limit for shim stack is typically six times the diameter of the largest anchor bolt. For shim stacks that are less than two times the anchor's diameter, there is no need for additional measures such as welding or installing a second anchor.

Editor's Notes

During our slotted shim research, we found 24 slotted shim products and shortlisted 10 quality products. We collected and analyzed 2,736 customer reviews through our big data system to write the slotted shims list. We found that most customers choose slotted shims with an average price of $117.16.

The slotted shims are available for purchase. We have researched hundreds of brands and picked the top brands of slotted shims, including Aifukena, Small Parts, Tsmhisd, Vnshuler, OTTFF. The seller of top 1 product has received honest feedback from 7 consumers with an average rating of 5.0.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.