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Specifications

L 6-1/2"
W 6-1/2"
H 3-3/4"
C1 5" ±0.0002"
C2 5" ±0.0002"
SQUARE & PARALLEL 0.0002"
Weight (lb) 30

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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