We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

INSIZE 1-2-3 Setup Blocks 6531-5
INSIZE1-2-3 Setup Blocks

INSIZE 1-2-3 Setup Blocks 6531-5

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

Also listed as: 65315 · 6531 5

Brand
INSIZE
Item
1-2-3 Setup Blocks 6531-5
Category
1-2-3 Setup Blocks
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

INSIZE
Manufacturer Part Number
6531-5

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

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

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.

Used in

Common applications for INSIZE
Quality control inspection — INSIZE digital calipers (1118-150R) for dimensional checks on machined parts.
Machine tool setup — INSIZE dial test indicators (2380-301) for aligning workpieces and measuring runout.
Hardness testing verification — INSIZE hardness test blocks (HDT-B-HV30D) for calibrating Vickers testers.
Layout and marking — INSIZE precision steel squares (4745-1120) for checking 45° angles on fixtures.
Workpiece holding — INSIZE magnetic V-blocks (6889-2) for securing cylindrical parts during measurement.
Groove and recess measurement — INSIZE small point jaw calipers (1169-150) for measuring internal features.
Not sure this is the right part? Photo-identify it

INSIZE Products

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Cast steel block level with two vials: one level vial and one cross test vial. Length 8 in. Sensitivity 0.00024 in/ft. Used for precision leveling and alignment of machine tables, surface plates, and fixtures in machining and inspection applications
INSIZE
Cast steel block level with two vials: one level vial and one cross test vial. Length 8 in. Sensitivity 0.00024 in/ft. Used for precision leveling and alignment of machine tables, surface plates, and fixtures in machining and inspection applications
Cast steel block level with 8 in length. Equipped with 1 level vial and 2 cross test vials. Sensitivity 0.00024 in/ft. Used for precision leveling and alignment of machine tools, workbenches, and fixtures in machining and inspection applications
INSIZE
Cast steel block level with 8 in length. Equipped with 1 level vial and 2 cross test vials. Sensitivity 0.00024 in/ft. Used for precision leveling and alignment of machine tools, workbenches, and fixtures in machining and inspection applications
Cast-steel block level with a 12-inch length, two level vials, and two cross test vials. Used for precision leveling and alignment of machine tables, surface plates, and fixtures in machining and inspection applications
INSIZE
Cast-steel block level with a 12-inch length, two level vials, and two cross test vials. Used for precision leveling and alignment of machine tables, surface plates, and fixtures in machining and inspection applications
This block level has a cast steel body and measures 8 inches in length. It is equipped with one level vial and two cross test vials for checking level and perpendicularity. Commonly used for precision alignment of machinery, surface plates, and fixtures in machining and inspection applications
INSIZE
This block level has a cast steel body and measures 8 inches in length. It is equipped with one level vial and two cross test vials for checking level and perpendicularity. Commonly used for precision alignment of machinery, surface plates, and fixtures in machining and inspection applications
Cast steel block level with two level vials and two cross test vials. Length 3 1/2 inches. Used for precision alignment and leveling in machining, tooling setup, and inspection, particularly in confined spaces
INSIZE
Cast steel block level with two level vials and two cross test vials. Length 3 1/2 inches. Used for precision alignment and leveling in machining, tooling setup, and inspection, particularly in confined spaces
Cast-steel block level with two level vials and two cross test vials. Used for precision leveling and alignment of machine tools, fixtures, and flat surfaces in machining and inspection applications
INSIZE
Cast-steel block level with two level vials and two cross test vials. Used for precision leveling and alignment of machine tools, fixtures, and flat surfaces in machining and inspection applications

More from INSIZE

View all INSIZE parts