Starrett 449AZ-3R Micrometer Depth Gage with Non-Rotating Blade 
52318

0-3" with 2-1/2" Base

The Starrett 449 Series Micrometer Depth Gage with Non-Rotating Blade includes a .045" thick x 1/8" wide (1.2 x 3.2mm) blade that can be turned with the fingers and positioned at any angle relative to the base. In operation, the blade does not turn, but moves perpendicularly only, permitting depth measurement of narrow shoulders without the blade rolling off. This is also ideal for slots and recesses as narrow as .045" (1.2mm). Furnished with a 2-1/2" (63mm) or a 4" (100mm) base. 0-3” Range, .001” Grad, 2 1/2” Base, 3 Rods, in Case. 

• The depths of holes, slots, shoulders and projections can be measured with these fine tools
• Non-rotating blade: blade does not turn, but moves perpendicularly only
• 2-1/2" (63mm) base
• .045" thick x 1/8" wide (1.2 x 3.2mm) blade
• Combination ratchet and speeder for uniform pressure and quicker adjustment
• Ring-type knurled lock nut for quick and sure locking
• • Micrometer Type: Mechanical
  • Range (in): 0-3"
  • Graduations (in): .001"
  • Base Length (in): 2-1/2"
  • Lock Nut Type: Plain
  • Measuring Rods (qty): 3
  • Rod Diameter (in): .045x1/8"
  • Thimble Type: Ratchet
  • Case Type: Padded Case
  • Accuracy (in): Mic head +/-.0001"; Rods +/-.0002"