1-2-3, Setup & Tri-Blocks

The Suburban Tool AB-10-ST angle block set gives machinists a complete range of precision angle blocks for setting, checking, and inspecting angles with gage-block accuracy. Individual blocks from 1/4° through 30°, plus quarter and half increments, stack together to build almost any angle you need, including a true 90 degree angle block reference.Made in the USA, these angle blocks are built for tool & die makers, QC inspectors, and grinding shops that demand exact angular setups. Buy the full set or add individual blocks to fill out your kit. Complete AB-10-ST precision angle block set Individual blocks from 1/4° to 30° plus fractions Stackable for right-angle and compound setups Made in USA angle blocks by Suburban Tool

Suburban Tool 1-2-3 blocks and metric tri-blocks are essential setup tools for machinists, tool & die makers, and QC inspectors. Precision-ground and hardened, these blocks provide accurate reference surfaces for layout, workholding, parallels, and angle-block setups on the surface plate or milling machine.This collection spans inch and metric sizes including 25 × 50 × 75mm, 25 × 50 × 100mm, and 50 × 80 × 100mm tri-blocks, available individually or as matched pairs. Choose hole or no-hole configurations to suit your fixturing needs. Suburban Tool quality, Made in USA Inch and metric 1-2-3 blocks and tri-blocks Matched pairs and individual blocks available Hardened, precision-ground for setup and inspection Videos How to Select the Right Style - Don Bailey on 123 Blocks -

Tri-blocks and 1-2-3 blocks from Suburban Tool square, raise, and support work for setup, layout, and workholding on the mill, surface plate, and grinder. Hardened and ground accurate on all sides, they are a shop-floor staple for repeatable, square positioning.Choose inch or metric sizes, holed or no-hole styles, and options across Taft-Peirce, Value Line, and Suburban Tool's own blocks. Made in the USA for the precision machinists and toolmakers rely on every day.

Achieve unmatched accuracy and versatility in your setup and inspection tasks with Suburban Tool Inc.'s Precision Steel Cubes. Engineered for high-tolerance work, these solid, one-piece steel cubes are the go-to solution for machinists, inspectors, and toolmakers who demand precision, repeatability, and strength. Key Features: Solid One-Piece Steel Construction: Designed for maximum rigidity and long-term performance in demanding shop environments. Heat Treated for Durability: Hardened to Rc 58–60, providing outstanding wear resistance and dimensional stability under repeated use. Ultra-Precision Ground: All six faces (top, bottom, and four sides) are ground flat, square, and parallel within 0.0002", ensuring tight tolerances for layout, inspection, and fixture setup. Fully Slotted Design: Slotted on all sides to maximize clamping and fixturing flexibility, making these cubes ideal for complex setups and repeatable workholding. Ideal For: Precision inspection setups Tool and die alignment Workholding in CNC or manual machining Fixture construction High-accuracy layout work Why Suburban Tool Inc.? Trusted across the manufacturing industry, Suburban Tool Inc. delivers premium inspection and fixturing tools known for their uncompromising accuracy, durability, and American craftsmanship.

Value Line 1-2-3 and Tri-Blocks are versatile precision setup blocks for layout, inspection, and workholding. Ground square and parallel with tapped and through holes, these blocks stack, clamp, and elevate work for milling, grinding, drilling, and measuring - all at an economy price.Offered by Suburban Tool, this Value Line collection is a shop staple for machinists, tool & die makers, and QC/inspection users. Use 1-2-3 blocks as accurate spacers, angle setups, and reference standards, or pair them with parallels and angle plates for repeatable fixturing. Value Line economy pricing for everyday setups Precision-ground 1-2-3 blocks with tapped and through holes Use for layout, workholding, grinding, and inspection Ideal for machinists, tool & die, and QC shops Videos How to Select the Right Style - Don Bailey on 123 Blocks -

Taft-Peirce precision tri-blocks and 1-2-3 blocks deliver the premium accuracy machinists, tool & die makers, and QC inspectors rely on for layout, setup, and grinding work. Sized at 2" × 3", these hardened, precision-ground blocks give you dependable reference surfaces, matched squareness, and repeatable results on the surface plate or in the fixture.Backed by Suburban Tool and Made in the USA, the Taft-Peirce name has long stood for uncompromising precision. Use them individually or as matched pairs for parallels, angle-block setups, and inspection tasks. Premium Taft-Peirce precision, Made in USA 2" × 3" 1-2-3 blocks for setup and layout Hardened, precision-ground reference surfaces Ideal for tool & die, QC, grinding, and inspection Videos How to Select the Right Style - Don Bailey on 123 Blocks -