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The Suburban Tool B-123-H1-M is a precision 1-2-3 block set measuring 1" x 2" x 3", supplied as a matched pair in hardened steel and ground on all six sides. It carries one 1/2" through hole in the 2" x 3" face, making it a flexible choice for layout, setup and workholding in the toolroom or on the surface grinder.

Delivered in a fitted wooden box to protect the finished faces, this matched pair from Suburban Tool gives toolmakers and QC techs a reliable square and parallel reference.

  • Matched pair of hardened steel blocks for balanced, repeatable setups
  • Ground on all six sides for true, square and parallel faces
  • One 1/2" through hole in the 2" x 3" face for clamping and mounting
  • Furnished with a fitted wooden storage box
  • Suited to layout, inspection and precision workholding
  • Made in the USA by Suburban Tool

Available with No Certification, Short Form, or Long Form Certification.

Suburban Tool Inc.

1-2-3 Block (Metric) (B-123-H1-M)

SKU B-123-H1-M
$199.50

The Suburban Tool B-123-H1-M is a precision 1-2-3 block set measuring 1" x 2" x 3", supplied as a matched pair in hardened steel and ground on all six sides. It carries one 1/2" through hole in the 2" x 3" face, making it a flexible choice for layout, setup and workholding in the toolroom or on the surface grinder.

Delivered in a fitted wooden box to protect the finished faces, this matched pair from Suburban Tool gives toolmakers and QC techs a reliable square and parallel reference.

  • Matched pair of hardened steel blocks for balanced, repeatable setups
  • Ground on all six sides for true, square and parallel faces
  • One 1/2" through hole in the 2" x 3" face for clamping and mounting
  • Furnished with a fitted wooden storage box
  • Suited to layout, inspection and precision workholding
  • Made in the USA by Suburban Tool

Available with No Certification, Short Form, or Long Form Certification.

Specifications

Model B-123-H1-M
Single or Pair Pair
Holes 1
Square 0.0001"/1"
Flat & Parallel 0.0002"
Size (Inches) 1" x 2" x 3" ±0.0002"
Weight 3 lb
$199.50

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Allow up to 2 days for order processing. Items not in stock are made to order in Auburn Hills, Michigan; we email you the expected date, and they ship separately with their own shipping charge.

∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology

The Suburban Tool B-123-H1-M is a precision 1-2-3 block set measuring 1" x 2" x 3", supplied as a matched pair in hardened steel and ground on all six sides. It carries one 1/2" through hole in the 2" x 3" face, making it a flexible choice for layout, setup and workholding in the toolroom or on the surface grinder.

Delivered in a fitted wooden box to protect the finished faces, this matched pair from Suburban Tool gives toolmakers and QC techs a reliable square and parallel reference.

  • Matched pair of hardened steel blocks for balanced, repeatable setups
  • Ground on all six sides for true, square and parallel faces
  • One 1/2" through hole in the 2" x 3" face for clamping and mounting
  • Furnished with a fitted wooden storage box
  • Suited to layout, inspection and precision workholding
  • Made in the USA by Suburban Tool

Available with No Certification, Short Form, or Long Form Certification.

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See It In Action

  • Made in Auburn Hills, Michigan

    Precision workholding and metrology since the 1960s

  • UPS shipping on tools 80 lb and under

    Heavier tools are quoted by phone

  • Questions? Call (248) 391-7800

    Or email tools@subtool.com for a quote