What are the dimensions of each block?

Each block measures 3 by 2 by 1 inches in size

What are the threaded holes used for?

The blocks feature 5 threaded 3/8-16 UNC cross-drilled holes for various applications.

How many blocks are included in the pack?

The pack includes a set of two 1-2-3 blocks.

My blocks came drenched in oll. What type of oil is this and how do I remove it? I don’t want to stain my paper project or enhale petro fumes.

The oil is intended to prevent rust. Use a cotton cloth to remove the oil and store the blocks in an airtight plastic bag. The oil is not harmful if inhaled. Acetone can also be used to remove the oil.

What type of Steel are they made of?

They are made of regular steel, case hardened.

Will the non tapped holes pass 3.8-16 thread? If not, what is the non tapped hole diameter?

Non threaded holes will allow a 21/64" drill bit to pass through.

So are all the holes threaded or only five? which five?

The second and fourth rows have the outside holes threaded plus the middle of the third row is threaded. Five holes total.

What is the specification for flatness, parallelism, and squareness?

The 1-2-3 block is made of hardened steel, ground to be precisely one inch by two inches by three inches. The sides are flat, parallel, and the corners are square. Typically, they are within 0.0002 in dimensions.

Can these be bolted together to create 90° angles? Is there clearance for head bolts when fastened together? Thanks

There are other blocks that can be bolted together to create 90° angles. There is clearance for the bolt head when fastened together.

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WEN

WEN 10423 3 x 2 x 1-Inch Steel-Hardened Precision 123 Blocks, Two Pack & Klein Tools 935DAG Digital Electronic Level and Angle Gauge

Item #:27986569

4.7 rating

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PKR 20897

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Product Details

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Features & Benefits

One side measures exactly 1 inch, one side at exactly 2 inches, and a third side at exactly 3 inches
Made from heavy duty hardened steel
Machined to be perfectly square
Features 5 threaded 3/8 16 UNC cross-drilled holes
Perfect for machinists, woodworkers, metalworkers, and more
Includes a set of two 1 2-3 blocks

Product Description

WEN 10423 3 x 2 x 1-Inch Steel-Hardened Precision 123 Blocks, Two Pack & Klein Tools 935DAG Digital Electronic Level and Angle Gauge

Overview

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Customer Questions & Answers

Question : What are the dimensions of each block?
Answer : Each block measures 3 by 2 by 1 inches in size
Question : What are the threaded holes used for?
Answer : The blocks feature 5 threaded 3/8-16 UNC cross-drilled holes for various applications.
Question : How many blocks are included in the pack?
Answer : The pack includes a set of two 1-2-3 blocks.
Question : My blocks came drenched in oll. What type of oil is this and how do I remove it? I don’t want to stain my paper project or enhale petro fumes.
Answer : The oil is intended to prevent rust. Use a cotton cloth to remove the oil and store the blocks in an airtight plastic bag. The oil is not harmful if inhaled. Acetone can also be used to remove the oil.
Question : What type of Steel are they made of?
Answer : They are made of regular steel, case hardened.
Question : Will the non tapped holes pass 3.8-16 thread? If not, what is the non tapped hole diameter?
Answer : Non threaded holes will allow a 21/64" drill bit to pass through.
Question : So are all the holes threaded or only five? which five?
Answer : The second and fourth rows have the outside holes threaded plus the middle of the third row is threaded. Five holes total.
Question : Are these American made?
Answer : No, they are made in China.
Question : What is the specification for flatness, parallelism, and squareness?
Answer : The 1-2-3 block is made of hardened steel, ground to be precisely one inch by two inches by three inches. The sides are flat, parallel, and the corners are square. Typically, they are within 0.0002 in dimensions.
Question : Can these be bolted together to create 90° angles? Is there clearance for head bolts when fastened together? Thanks
Answer : There are other blocks that can be bolted together to create 90° angles. There is clearance for the bolt head when fastened together.
Question : Are both sides of these 3/8 threaded, or one side only?
Answer : Both sides are threaded.

Customer Ratings

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WEN 10423 3 x 2 x 1-Inch Steel-Hardened Precision 123 Blocks, Two Pack & Klein Tools 935DAG Digital Electronic Level and Angle Gauge

The WEN 10423 1-2-3 precision blocks are useful tools for woodworking and other projects. These blocks are made of regular steel which is case-hardened to prevent rust. The blocks have flat and parallel surfaces that are precisely one inch by two inches by three inches, with corners that are square. The blocks also come covered in machine oil, but it is easy to clean them before use. Five holes are threaded which includes the second and fourth rows having outside holes threaded, and the middle of the third row being threaded. They can be useful for clamping against mitered picture frame corners during glue up or for setting up woodworking equipment, but they might not fit the holes in the right position if stacked. It's worth noting that the product is made in China.

Pros

Made of hardened steel
Flat and parallel surfaces with square corners
Critical for preventing rust
Useful for clamping against mitered picture frame corners during glue up

Cons

Not made in America
Might not fit the holes in the right position if stacked
The threads aren't in useful locations

Important Information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

WEN 10423 3 x 2 x 1-Inch Steel-Hardened Precision 123 Blocks, Two Pack & Klein Tools 935DAG Digital Electronic Level and Angle Gauge

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