Grade 3(A&B), Square Gage Block Set

SKU 303-5318

Grade 3(A&B), Square Gage Block Set

Availability In stock

Shipping Ups Ground

$910.80
SKU 303-5318
Gage Block Category Gage Block & Spacer Sets
Block Shape square
Size Range - Gage Block 0.1001-4"
Certifying Specification Federal GGG-G-15C
Accuracy Grade 3 (A&B)
Number of Pieces 81
Material steel
NIST Certificate no
Full Details

Product Spotlight

  • Mirror Finish



    The measuring faces (2 sides) are ground and micro lapped to surface roughness of Ra 0.016 while the non measuring face (4 sides) are maintain at Ra 0.63. The mirror finished surface allow the gage block to be easily wringable.

  • Laser Marking



    Each gage block is laser marked with nominal length and serial number with reference to the calibration certificate.

  • ASME B89.1.9-2002 standard



    Inspection are taken place in a ISO-9001 certified laboratory and each block's measurement is recorded on the NIST traceable certificate, not a ISO17025 long form certificate.

  • Plastic Insert



    Each block is wrapped in a greasproof paper and placed inside the plastic insert holder to prevent corrosion and abrasion.

What's Included

  • NIST traceable certificate NOT included
  • 9 blocks: .1001-.1009" in .0001" steps
  • 49 Blocks: .101-.149" in .001" Steps
  • 19 Blocks: .050-.950" in .050 steps
  • 4 Blocks: 1-4" in 1" steps
  • 81 Pieces
  • Accuracy: Grade AS-1=Grade 3(A+B): .000008/.000004"

Reviews