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The B-5-SP 6-1/2" × 6-1/2" Sine Plate is a Master-Sine precision tool from Suburban Tool, engineered for accurate gage-block angle setups in grinding, inspection, and toolroom work. Made of steel hardened to Rc 58-60, it stands up to demanding daily shop use.

Its 1/4-20 tapped holes make workholding and fixturing straightforward, while the hardened, ground-and-lapped roll bar ensures reliable, repeatable positioning.

  • Steel construction hardened to Rc 58-60 for durability and wear resistance
  • 1/4-20 tapped holes for convenient part clamping and fixturing
  • Roll bar ground and lapped for straightness and roundness
  • Swivel block provides full-face contact with gage blocks, holding them securely
  • Exclusive internal locking device pulls the top plate down 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 Inc.

Sine Plate, 6-1/2" × 6-1/2" (B-5-SP)

SKU B-5-SP
$3,456.60

The B-5-SP 6-1/2" × 6-1/2" Sine Plate is a Master-Sine precision tool from Suburban Tool, engineered for accurate gage-block angle setups in grinding, inspection, and toolroom work. Made of steel hardened to Rc 58-60, it stands up to demanding daily shop use.

Its 1/4-20 tapped holes make workholding and fixturing straightforward, while the hardened, ground-and-lapped roll bar ensures reliable, repeatable positioning.

  • Steel construction hardened to Rc 58-60 for durability and wear resistance
  • 1/4-20 tapped holes for convenient part clamping and fixturing
  • Roll bar ground and lapped for straightness and roundness
  • Swivel block provides full-face contact with gage blocks, holding them securely
  • Exclusive internal locking device pulls the top plate down 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 B-5-SP
Length 6-1/2"
Width 6-1/2"
Height 2-1/2"
C 5" ±0.0002"
Square & Parallel 0.0002"
Weight 22 lb
$3,456.60

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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 B-5-SP 6-1/2" × 6-1/2" Sine Plate is a Master-Sine precision tool from Suburban Tool, engineered for accurate gage-block angle setups in grinding, inspection, and toolroom work. Made of steel hardened to Rc 58-60, it stands up to demanding daily shop use.

Its 1/4-20 tapped holes make workholding and fixturing straightforward, while the hardened, ground-and-lapped roll bar ensures reliable, repeatable positioning.

  • Steel construction hardened to Rc 58-60 for durability and wear resistance
  • 1/4-20 tapped holes for convenient part clamping and fixturing
  • Roll bar ground and lapped for straightness and roundness
  • Swivel block provides full-face contact with gage blocks, holding them securely
  • Exclusive internal locking device pulls the top plate down 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