HHIP 4-1/2 x 3-1/2 x 3 in Slotted Angle Plate vs HHIP Granite Surface Plate 12" x 8" x 2" Grade B
Overall winner: HHIP Granite Surface Plate 12" x 8" x 2" Grade B
Key Differences
Product A (HHIP Granite Surface Plate) is a precision-ground granite plate (12x8x2, Grade B) with an inspection certificate and a lower listed price tier, suited for flatness-measurement and calibration tasks in small shops. Product B (HHIP Slotted Angle Plate) is a machined and ground metal angle plate (4-1/2" x 3-1/2" x 3") designed for clamping, layout and inspection work and offers more versatility for fixturing despite mixed reports on surface finish and squareness
HHIP 4-1/2 x 3-1/2 x 3 in Slotted Angle Plate
A calibrated webbed angle plate with clamping slots for machining, layout, and inspection. Customers note solid build and true 90-degree angles, with some concerns about surface finish
Pros
- well-built construction
- accurate 90-degree angle
- suitable for machining, layout and inspection
- ground square and parallel on outside and ends
Cons
- surface finish can be rough
- tertiary faces may impact squareness for some users
HHIP Granite Surface Plate 12" x 8" x 2" Grade B
Granite surface plate precision ground for flatness with a Grade B rating. Includes a certificate of inspection and meets specification standards. Customers note good size and weight for small shops, with mixed views on flatness and surface smoothness
Pros
- precision ground top surface
- certificate of inspection
- includes weight for stability
- sized for small-shop use
Cons
- flatness/surface smoothness mixed in reviews
- not NIST traceable
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | HHIP |
| Durability | Tie |
| Versatility | HHIP |
| User Reviews | HHIP |