Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PRECISION BRAND Untabbed Slotted Shim, 0.0125" Thk, B Trade Size, 3x3 in, PK20 - Untabbed Slotted Shims
PRECISION BRANDUntabbed Slotted Shims

PRECISION BRAND Untabbed Slotted Shim, 0.0125" Thk, B Trade Size, 3x3 in, PK20

Precision Brand Untabbed Slotted Shims (MPN 42143) are B Trade Size, 3 in x 3 in, 0.0125" thick, with a thickness tolerance of +/-0.001 in and width/length tolerances of +/-0.030 in. Each pack of 20 black shims is…

SKU 3G-OTH-686182

Brand
PRECISION BRAND
Item
Untabbed Slotted Shim, 0.0125" Thk, B Trade Size, 3x3 in, PK20
Category
Untabbed Slotted Shims
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PRECISION BRAND
Manufacturer Part Number
42143
Type
Untabbed, B Trade Size, 20
Thk
0.0125"
PK20
Untabbed
Color
Black
Shim Lg
3 in
Shim Wd
3 in
Trade Size
B
Width Tolerance
+/-0.030 in
Length Tolerance
+/-0.030 in
Thickness Tolerance
+/-0.001 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PRECISION BRAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Precision Brand Untabbed Slotted Shims (MPN 42143) are B Trade Size, 3 in x 3 in, 0.0125" thick, with a thickness tolerance of +/-0.001 in and width/length tolerances of +/-0.030 in. Each pack of 20 black shims is designed for precise spacing and alignment in industrial assemblies.

Frequently Asked Questions

What is a Precision Brand Untabbed Slotted Shim used for?

Precision Brand Untabbed Slotted Shims (MPN 42143) are used for precise spacing and alignment in industrial assemblies, such as mounting motors, pumps, or gearboxes. The untabbed design allows full contact without protruding tabs, making them ideal for tight fits in machinery maintenance and repair.

What are the specifications of Precision Brand 42143 shims?

These shims are B Trade Size, 3 in x 3 in, 0.0125" thick, with a thickness tolerance of +/-0.001 in and width/length tolerances of +/-0.030 in. Each pack contains 20 black shims. Precision Brand manufactures them to consistent dimensions for reliable industrial alignment.

Where to buy Precision Brand shims worldwide?

3G Electric supplies Precision Brand Untabbed Slotted Shims (MPN 42143) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on your order.

How to select the correct shim thickness for alignment?

Measure the gap between components using a feeler gauge or micrometer. Choose a shim thickness that fills the gap within the tolerance range. Precision Brand shims offer +/-0.001 in thickness accuracy. Stack multiple shims if needed, but avoid exceeding the recommended stack height for stability.

PRECISION BRAND Products

3G Electric supplies PRECISION BRAND untabbed slotted shims. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from PRECISION BRAND

View all PRECISION BRAND parts
Untabbed slotted shim, A Trade Size, measuring 2 inches by 2 inches with a thickness of 0.005 inches. Color is blue. Thickness tolerance is ±0.00025 inches; length and width tolerances are ±0.030 inches. Supplied in a pack of 20. Used for precision alignment and gap filling in machinery such as pumps, motors, and gearboxes, where the slotted design allows installation without removing shafts or fasteners
PRECISION BRAND
Untabbed slotted shim, A Trade Size, measuring 2 inches by 2 inches with a thickness of 0.005 inches. Color is blue. Thickness tolerance is ±0.00025 inches; length and width tolerances are ±0.030 inches. Supplied in a pack of 20. Used for precision alignment and gap filling in machinery such as pumps, motors, and gearboxes, where the slotted design allows installation without removing shafts or fasteners
Untabbed slotted shim made of brown vinyl, AA trade size, 1 in length and 1 in width, 0.01 in thickness. Supplied in a pack of 20. Width and length tolerance ±0.030 in, thickness tolerance ±0.001 in. Used for adjusting clearances and aligning machinery components such as pumps, gearboxes, and motor mounts
PRECISION BRAND
Untabbed slotted shim made of brown vinyl, AA trade size, 1 in length and 1 in width, 0.01 in thickness. Supplied in a pack of 20. Width and length tolerance ±0.030 in, thickness tolerance ±0.001 in. Used for adjusting clearances and aligning machinery components such as pumps, gearboxes, and motor mounts
Untabbed slotted shim, 0.0015" thick, Trade Size A, 2" x 2", purple. Pack of 20. Tolerances: width and length +/-0.030", thickness +/-0.000075". Used for precision alignment and gap adjustment in industrial machinery such as pumps, motors, and gearboxes
PRECISION BRAND
Untabbed slotted shim, 0.0015" thick, Trade Size A, 2" x 2", purple. Pack of 20. Tolerances: width and length +/-0.030", thickness +/-0.000075". Used for precision alignment and gap adjustment in industrial machinery such as pumps, motors, and gearboxes
Untabbed slotted shim, 0.0005" thick, AA trade size, 1" length and width. Silver finish. Pack of 20. Tolerances: width and length ±0.030", thickness ±0.000025". Used for precision alignment and gap adjustment in machinery such as pumps, motors, and gearboxes; slotted design allows installation without removing shafts or fasteners
PRECISION BRAND
Untabbed slotted shim, 0.0005" thick, AA trade size, 1" length and width. Silver finish. Pack of 20. Tolerances: width and length ±0.030", thickness ±0.000025". Used for precision alignment and gap adjustment in machinery such as pumps, motors, and gearboxes; slotted design allows installation without removing shafts or fasteners
Untabbed slotted shim in AA trade size, 1 in by 1 in, with 0.03" thickness. Made of vinyl in coral color, supplied in pack of 20. Width and length tolerance +/-0.030 in; thickness tolerance +/-0.002 in. Used for precision alignment and gap filling in industrial machinery such as pumps, motors, and gearboxes
PRECISION BRAND
Untabbed slotted shim in AA trade size, 1 in by 1 in, with 0.03" thickness. Made of vinyl in coral color, supplied in pack of 20. Width and length tolerance +/-0.030 in; thickness tolerance +/-0.002 in. Used for precision alignment and gap filling in industrial machinery such as pumps, motors, and gearboxes
Untabbed slotted shim for precision alignment and gap adjustment in industrial machinery. 0.0015" thickness, AA trade size, 1" length and width. Purple color. Pack of 20. Tolerances: width and length +/-0.030 in, thickness +/-0.000075 in
PRECISION BRAND
Untabbed slotted shim for precision alignment and gap adjustment in industrial machinery. 0.0015" thickness, AA trade size, 1" length and width. Purple color. Pack of 20. Tolerances: width and length +/-0.030 in, thickness +/-0.000075 in
Untabbed slotted shim made of pink vinyl, 0.015" thick, 2 in by 2 in, Trade Size A. Pack of 20. Width and length tolerance ±0.030 in, thickness tolerance ±0.001 in. Used for alignment and spacing in machinery assembly and maintenance
PRECISION BRAND
Untabbed slotted shim made of pink vinyl, 0.015" thick, 2 in by 2 in, Trade Size A. Pack of 20. Width and length tolerance ±0.030 in, thickness tolerance ±0.001 in. Used for alignment and spacing in machinery assembly and maintenance
Untabbed slotted shim made of brown vinyl, 0.01" thick, B trade size, 3 in by 3 in. Width and length tolerance +/-0.030 in, thickness tolerance +/-0.001 in. Pack of 20. Used for adjusting clearances and aligning machinery components where the slotted design allows installation without full disassembly
PRECISION BRAND
Untabbed slotted shim made of brown vinyl, 0.01" thick, B trade size, 3 in by 3 in. Width and length tolerance +/-0.030 in, thickness tolerance +/-0.001 in. Pack of 20. Used for adjusting clearances and aligning machinery components where the slotted design allows installation without full disassembly