Starrett® 257B Full Sized Surface Gage

70117936 MFG #: 257B
Starrett® Surface Gage, Full Sized, Series: 257, Hardened Steel Base, Satin Chrome
  • Finest full size sur
  • Stable steel base is
  • Four frictionally he
  • Long, 50-division ve
  • Sliding snug with a
  • The scriber and the
  • The design of the ha
  • Flush-fitting of the
  • Vertical bar is posi
  • Ability to scribe li
  • Auxiliary scriber is
  • Easy-reading sharp b
  • 9 in and 12 in L spi
  • 2-7/8 in L x 2-3/8 i
  • Ground bases for acc
  • V-Groove in the base
  • V-Groove on the fron
  • A very positive fine
  • Grooves on the side
  • Nicely tapered scrib
• Finest full size surface gage
• Stable steel base is fully hardened, ground, nicely finished and lapped and is hand shaped for sure grip and easy movement
• Four frictionally held gage pins that add versatility for referencing the tool
• Long, 50-division vernier scales that can be read to 0.001 or 0.02 mm without a magnifying glass
• Sliding snug with a knurled, ring-type lock nut for adjustment ease and secure positioning
• The scriber and the base are designed so that the gage will read directly from zero
• The design of the hardened and stabilized bar plus the balanced design and weight of the base eliminate vibration
• Flush-fitting of the vernier scales to the main scale eliminates parallax
• Vertical bar is positioned near the center of the base for balance and stability
• Ability to scribe lines, measure with dial indicators or electronic probes and accept depth attachments
• Auxiliary scriber is a circular carbide scriber that cuts sharp, clean lines smoothly, rotatable for wear
• Easy-reading sharp black lines and figures against Starrett® satin chrome finish background
• 9 in and 12 in L spindle
• 2-7/8 in L x 2-3/8 in W base
• Ground bases for accurate reference surfaces
• V-Groove in the base for cylindrical work
• V-Groove on the front end which allows the spindle to adjust to any angle above or below the base
• A very positive fine adjustment through a rocker arm that makes for smooth and accurate settings
• Grooves on the side of the base for a sure and easy grip
• Nicely tapered scribers, so that you can see what you are doing