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Tooling Components




Precision Tools - 1-2-3 and 2-4-6 Blocks


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Avenger TIN Coated 1-2-3 Block Set

  • Titanium Nitride coated surface provides extra wear and corrosion resistance.
  • Precision ground and heat treated to 55-62 Rc.
  • Parallel to .0003" on all sides; up to .0003" over allowance for nominal lapping.
  • Has 23 holes - 5 holes tapped 3/8-16, 18 drilled through.
  • Sold in pairs.





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Brown & Sharpe Ultra Precision Ground 1-2-3 Blocks 

Each Set Includes:
• Matched pair of 1" x 2" x 3" blocks
• Five 3/8 - 16 stainless steel socket head cap screws
• Hex key
• Shop-hardened molded case
• Each block is precision ground on all 6 surfaces
• Case is hardened to HRc 55 - 60
• Surface finish from 6 to 16 microinches
• Squareness on all sides to within .0001"
• Features 23 holes: 5 are tapped 3/8 - 16, the other 18 are untapped thru holes
• Oversized to allow for nominal lapping .0001-.0003

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Fowler 1-2-3 Blocks with One Hole

  • Matched accuracy: .0002".
  • Squareness per inch: .0001".
  • Surface finish 6-10 Microinches.
  • 58-60 Rockwell C.
  • Packaged as pair.





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Fowler 1-2-3, 2-4-6 Blocks 

• Useful in layout and grinding work
• Blocks hardened to 56-60 Rc
• Accuracy .0002
• Matched accuracy .0002
• 1 Hole 1-2-3 block has tolerance of .0001" (squareness per inch)

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Fowler 2-4-6 Blocks 

• 31 Holes for easy clamping
• Sold in pairs
• Useful in layout and grinding work
• Accuracy: .0002"
• Matched accuracy: .0002"

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Fowler Premium Brand 1-2-3 Blocks

  • Tolerances guaranteed to .0001" for squreness per inch.
  • Matched pair with 31 holes each.
  • Hardened to 58-60 Rockwell C.
  • Matched accuracy within + .0002".





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Fowler Steel 1-2-3 Blocks 

• Tolerance: .0001" (squareness per inch)
• Dimensions: 1" x 2" x 3"
• Hardened to 58-60 Rockwell C
• Matched accuracy within .0002" per inch

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Fowler Ultra Precision Ground 1-2-3 Blocks 

Each Set Includes:
• Matched pair of 1" x 2" x 3" blocks
• Five 3/8 - 16 stainless steel socket head cap screws
• Hex key
• Shop-hardened molded case
• Each block is precision ground on all 6 surfaces
• Case is hardened to HRc 55 - 60
• Surface finish from 6 to 16 microinches
• Squareness on all sides to within .0001"
• Features 23 holes: 5 are tapped 3/8 - 16, the other 18 are untapped thru holes
• Oversized to allow for nominal lapping .0001-.0003

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Suburban Tool 1-2-3 Block Set

  • Matched pair.
  • Hardened steel, ground on all six sides.
  • 5/16-18 Tapped holes.
  • Drilled, counterbored and tapped holes to allow screw mounting and conversion into angle plates and other precision set-ups.
  • Furnished with wood box.





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Suburban Tool 1-2-3, 2-3-4 or 2-4-6 Blocks 

• Each block is precision ground, heat treated and case hardened to HRc 55 - 60 on all 6 sides
• Squareness of all sides is within .0001" (USA model) or .0003" (economy); to .0002" on no hole USA model
• Surface finish 6 to 16 microinches.
• Feature 23 holes: 5 are tapped 3/8 - 16, the other 18 are untapped
• MADE IN USA

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XACT 1-2-3 and 2-4-6 Block Sets

1-2-3 Features:
  • Made from fine quality tool steel, hardened & ground on all sides.
  • Blocks measure 1" x 2" x 3" and are supplied as a matched pair.
  • Ideal for precision layout and set up work.
  • Various combinations provide versatility in use for inspection and production.
  • 31 Drilled and tapped holes provide various combinations.


2-4-6 Features:

  • Precision ground and hardened on all sides.
  • Surface finish to 6-10 microinches.
  • Tolerances are guaranteed to .0001" per sq. in.
  • Blocks are matched and measure 2" x 4" x 6".
  • Holes on all 6 sides for mounting work, precision grinding and layout work.





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XACT 1-2-3, 2-3-4 or 2-4-6 Blocks 

• Each block is precision ground, heat treated and case hardened to HRc 55 - 60 on all 6 sides
• Squareness of all sides is within .0001" (USA model) or .0003" (economy); to .0002" on no hole USA model
• Surface finish 6 to 16 microinches.
• Feature 23 holes: 5 are tapped 3/8 - 16, the other 18 are untapped
• MADE IN USA

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XACT Precision 1-2-3 Blocks - Supplied in Hardwood Case 

• Each block is precision ground, heat treated and case-hardened on all 6 sides
• Squareness on all sides to .0002"
• Up to .0003" over allowance for nominal lapping
• 23 Holes: 5 are tapped 3/8 - 16, the other 18 are untapped
• Suitable for clamping and setup operations

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XACT Ultra Precision Ground 1-2-3 Blocks 

Each Set Includes:
• Matched pair of 1" x 2" x 3" blocks
• Five 3/8 - 16 stainless steel socket head cap screws
• Hex key
• Shop-hardened molded case
• Each block is precision ground on all 6 surfaces
• Case is hardened to HRc 55 - 60
• Surface finish from 6 to 16 microinches
• Squareness on all sides to within .0001"
• Features 23 holes: 5 are tapped 3/8 - 16, the other 18 are untapped thru holes
• Oversized to allow for nominal lapping .0001-.0003


Servicing Industry Since 1968

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