257A FULL-SIZED SURFACE GAGE

STR51240 MFG #: 51240
$304.58 / EA
  • Material: Hardened Steel Base
  • Series: 257
  • Type: Full Sized
QTY
  • Application
  • Item Features
  • Standards
For machinists and toolmakers to accurately scribing lines, transferring measurements and for probing surfaces in inspection work
  • 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 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
PROP65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm