Precise Carbide 81 Piece Rectangular Gage Block Set Grade 2(A+) - 303-502

Precise Carbide 81 Piece Rectangular Gage Block Set Grade 2(A+)

 Grade 2 (A+)   +000004"/-000002"

• Higher degree of accuracy when used at temperature of 68°F (20°C)
• Individual serial numbers on each block, regardless of grade.
• A complete certificate of calibration traceable to the N.I.S.T. showing the deviation of each block.
• All sets are supplied in deluxe fitted wood case.
• Mirror polished surfaces provide superior wringing characteristics.
• Meets or exceeds Federal GGG-G-15C
• Tungsten carbide resists high corrosion, making it ideal for continuous handling, also with low coefficient of expansion to resist temperature changes or "hot hands" from the gage block users.
• With a surface finish of less than .2 millionths (.005 microns) is ensured and gives maximum wringability which is appreciated by users of steel and chromium carbide gages.
• The surface finish process removes all peaks, leaving mirror finish surface resistant to wear, ensuring long life within the original accuracy tolerance and retained wringability
• Edges of gaging faces are reinforced for a smooth radius
• 81 Pieces Set

•   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

303-5302