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Specifications

L 18-1/4"
W 6-3/4"
H 3-3/4"
C 15" ±0.0003"
SQUARE & PARALLEL 0.0004"
Weight (lb) 98

The B-15-SP 6-3/4" × 18-1/4" Sine Plate is a large-capacity Master-Sine tool from Suburban Tool, built for accurate gage-block angle setups on longer workpieces in grinding, layout, and inspection. Its steel body is hardened to Rc 58-60 to endure heavy toolroom duty.

The 5/16-18 tapped holes simplify clamping and fixturing, while the hardened, ground-and-lapped roll bar keeps positioning precise and repeatable.

  • Extended 6-3/4" × 18-1/4" surface handles long parts and layouts
  • Steel hardened to Rc 58-60 for lasting accuracy and wear resistance
  • 5/16-18 tapped holes for secure workholding and fixturing
  • Roll bar ground and lapped for straightness and roundness
  • Exclusive internal locking device pulls the top plate down without distortion
  • Made in the USA by Suburban Tool
  • Swivel block provides full face contact with gage blocks, keeping them securely in place.
  • Side and back rail included.

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

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