INSIZE Tri-Block: 2 Blocks, 23 Holes, 1 in x 2 in x 3 in
The INSIZE Tri-Block is a set of two 1-2-3 setup blocks, model 6531-5, with 23 tapped holes of 3/8 in -16 in thread. Each block measures 1 in x 2 in x 3 in and offers a squareness tolerance of 0.0001 in.
SKU 3G-OTH-279727
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Product Description
The INSIZE Tri-Block is a set of two 1-2-3 setup blocks, model 6531-5, with 23 tapped holes of 3/8 in -16 in thread. Each block measures 1 in x 2 in x 3 in and offers a squareness tolerance of 0.0001 in.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the INSIZE Tri-Block 6531-5 used for?
The INSIZE Tri-Block 6531-5 is used for precision layout, setup, and inspection in machining and quality control. Its 1 in x 2 in x 3 in blocks with 23 tapped 3/8 in -16 in holes allow secure clamping and repeatable positioning for measuring squareness and parallelism.
What are the specifications of the INSIZE Tri-Block 6531-5?
The INSIZE Tri-Block set includes two blocks, each 1 in x 2 in x 3 in, with 23 tapped holes of 3/8 in -16 in thread. Squareness tolerance is 0.0001 in. The blocks are hardened steel, precision ground, and made by INSIZE, model 6531-5.
Where to buy the INSIZE Tri-Block 6531-5 worldwide?
3G Electric supplies the INSIZE Tri-Block 6531-5 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision setup block.
How to maintain the INSIZE Tri-Block for accuracy?
To maintain the 0.0001 in squareness tolerance, keep the INSIZE Tri-Block clean and free of burrs. Store in a dry, temperature-controlled environment. Wipe with a lint-free cloth and light oil after use. Avoid dropping or clamping over-torqued fasteners in the 3/8 in -16 in tapped holes.
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3G Electric supplies INSIZE 1-2-3 setup blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







