HHIP Granite Surface Plate, Grade B, 12 x 9 x 3 vs HHIP 6x6x2 Granite Surface Plate, Grade B, 0 Ledge

Overall winner: HHIP Granite Surface Plate, Grade B, 12 x 9 x 3

Key Differences

Product A (12"x9"x3") offers a larger contact area and greater thickness for heavier setups, while Product B (6"x6"x2") is more compact and sits in a lower price tier. Both are Grade B granite plates from HHIP with certificates of inspection, but neither is NIST traceable and both have mixed feedback on flatness and surface finish

HHIP Granite Surface Plate, Grade B, 12 x 9 x 3

HHIP Granite Surface Plate, Grade B, 12 x 9 x 3

HHIP • ★ 3.9/5 • Mid-Range

Granite surface plate precision ground for flatness. Grade B with certificate of inspection (not NIST traceable). Useful for measuring, laying out parts, and calibrating instruments. Customers note good size and weight, with mixed views on flatness and surface finish

Pros

  • precision ground top surface
  • certificate of inspection included
  • suitable size for small shops
  • substantial weight for stability

Cons

  • not NIST traceable
  • mixed feedback on flatness and finish
  • some reports of scratches
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HHIP 6x6x2 Granite Surface Plate, Grade B, 0 Ledge

HHIP 6x6x2 Granite Surface Plate, Grade B, 0 Ledge

HHIP • ★ 3.8/5 • Mid-Range

Granite surface plate with precision-ground top for flatness. Includes certificate of inspection; not NIST traceable. Useful for measuring flatness, squareness, and setup of tools. Customers note good size and weight for small shops, with mixed views on flatness and surface finish

Pros

  • precision-ground top
  • includes inspection certificate
  • compact 6x6x2 size
  • weight contributes to stability

Cons

  • flatness and surface finish viewed variably
  • not NIST traceable
  • some scratches reported
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Head-to-Head

CriteriaWinner
Price HHIP
Durability Tie
Versatility HHIP
User Reviews Tie