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The Suburban Tool A-5-SP is a 6-1/2" x 6-1/2" compound sine plate from the Master-Sine series, a sturdy, accurate way to grind or measure compound angles in the toolroom and QC lab.

The A-5-SP features 1/4-20 tapped holes for versatile workholding.

  • Made of steel, hardened to Rc 58-60.
  • Angular accuracy of set-ups is guaranteed within 5 seconds of arc up to 15 degrees, 10 seconds up to 30 degrees and 15 seconds up to 45 degrees.
  • Roll bar is hardened steel, ground and lapped for straightness and roundness.
  • Swivel block provides full face contact with gage blocks, keeping them securely in place.
  • Exclusive hinge-roll locking device pulls the top plate down on the gage blocks without distortion.
  • Made in the USA by Suburban Tool
  • Side and back rail included.

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

Suburban Tool

Compound Sine Plate, 6-1/2" × 6-1/2" (A-5-SP)

SKU A-5-SP
$5,601.75

The Suburban Tool A-5-SP is a 6-1/2" x 6-1/2" compound sine plate from the Master-Sine series, a sturdy, accurate way to grind or measure compound angles in the toolroom and QC lab.

The A-5-SP features 1/4-20 tapped holes for versatile workholding.

  • Made of steel, hardened to Rc 58-60.
  • Angular accuracy of set-ups is guaranteed within 5 seconds of arc up to 15 degrees, 10 seconds up to 30 degrees and 15 seconds up to 45 degrees.
  • Roll bar is hardened steel, ground and lapped for straightness and roundness.
  • Swivel block provides full face contact with gage blocks, keeping them securely in place.
  • Exclusive hinge-roll locking device pulls the top plate down on the gage blocks without distortion.
  • Made in the USA by Suburban Tool
  • Side and back rail included.

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

Specifications

Model A-5-SP
Length 6-1/2"
Width 6-1/2"
Height 3-3/4"
C1 5" ±0.0002"
C2 5" ±0.0002"
Square & Parallel 0.0002"
Weight 30 lb
$5,601.75

Add a certification?

The certificate is added to your cart as a separate line for this tool.

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 A-5-SP is a 6-1/2" x 6-1/2" compound sine plate from the Master-Sine series, a sturdy, accurate way to grind or measure compound angles in the toolroom and QC lab.

The A-5-SP features 1/4-20 tapped holes for versatile workholding.

  • Made of steel, hardened to Rc 58-60.
  • Angular accuracy of set-ups is guaranteed within 5 seconds of arc up to 15 degrees, 10 seconds up to 30 degrees and 15 seconds up to 45 degrees.
  • Roll bar is hardened steel, ground and lapped for straightness and roundness.
  • Swivel block provides full face contact with gage blocks, keeping them securely in place.
  • Exclusive hinge-roll locking device pulls the top plate down on the gage blocks without distortion.
  • Made in the USA by Suburban Tool
  • Side and back rail included.

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