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JOHNSON LEVEL 420EM Combination Square - Combination Squares
JOHNSON LEVELCombination Squares

JOHNSON LEVEL 420EM Combination Square

The JOHNSON LEVEL Combination Square (SKU 420EM, MPN 420EM) is a combination square with inch/metric markings, featuring an etched scale with 1 mm graduations. It includes a scriber and is constructed with a cast…

SKU 3G-OTH-284477

Also listed as: 420 EM · 420-EM

Brand
JOHNSON LEVEL
Item
420EM Combination Square
Part Number
420EM
Category
Combination Squares
Available to Order
Also known as:420EMJOHNSON LEVEL
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

JOHNSON LEVEL
Manufacturer Part Number
420EM
Type
Stainless Steel, 4 3/4 in, 16 in x 0.85 in, Cast Zinc

Technical Documents

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JOHNSON LEVEL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON LEVEL Combination Square (SKU 420EM, MPN 420EM) is a combination square with inch/metric markings, featuring an etched scale with 1 mm graduations. It includes a scriber and is constructed with a cast zinc body. This product is manufactured by JOHNSON LEVEL.

Frequently Asked Questions

What is the JOHNSON LEVEL Combination Square used for?

The JOHNSON LEVEL Combination Square is used for layout, marking, and measuring angles and depths in metalworking and woodworking. Its etched scale with 1 mm graduations and scriber enable precise transfer of measurements. The cast zinc body provides durability for shop-floor use.

What are the specifications of the JOHNSON LEVEL Combination Square?

The JOHNSON LEVEL Combination Square (MPN 420EM) features an etched inch/metric scale with 1 mm graduations. It includes a scriber and has a cast zinc body. The blade measures 16 in x 0.85 in, and the head is 4 3/4 in. It is manufactured by JOHNSON LEVEL.

Where to buy the JOHNSON LEVEL Combination Square worldwide?

3G Electric supplies the JOHNSON LEVEL Combination Square worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this precision tool to any country.

How to maintain the JOHNSON LEVEL Combination Square?

To maintain the JOHNSON LEVEL Combination Square, keep the etched scale clean and dry to prevent corrosion. Wipe the cast zinc body with a soft cloth after use. Store in a protective case to avoid damage to the scriber and blade. Do not drop or apply excessive force.

Used in

Common applications for JOHNSON LEVEL
Concrete formwork and foundation layout — Johnson Level 32X automatic optical level (40-6962) for elevation control and alignment.
Steel erection and plumbing — Johnson Level 9-inch magnetic torpedo level (1411-0900) with rare earth magnets and V-grooves for pipe and conduit.
Site grading and excavation — Johnson Level 16 ft fiberglass telescoping leveling rod (40-6316) with 1 ft/1 in graduations for grade checking.
Carpentry and stair layout — Johnson Level CS5 rafter square with octagon and inch graduations for marking rafters and stairs.
Electrical conduit and mechanical installation — Johnson Level magnetic torpedo level for level, plumb, 45°, and 30° measurements.
General construction layout — Johnson Level JRT300-GNHV-K rotary laser kit with green beam and 4,000 ft range for horizontal and vertical alignment.
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JOHNSON LEVEL Products

3G Electric supplies JOHNSON LEVEL combination squares. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Combination square with a 12-inch stainless steel blade and cast zinc body. Features printed graduations in 1/32-inch increments and includes a scriber. Used for measuring, marking, and checking 90-degree and 45-degree angles in layout tasks
JOHNSON LEVEL
Combination square with a 12-inch stainless steel blade and cast zinc body. Features printed graduations in 1/32-inch increments and includes a scriber. Used for measuring, marking, and checking 90-degree and 45-degree angles in layout tasks

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