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257B

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Starrett 257B Full-Sized Surface Gage features a hardened steel base with satin chrome finish. Spindle lengths of 9" and 12" (225 mm and 300 mm) provide versatility. Base measures 2-7/8 x 2-3/8" (72 x 60 mm). Precision layout and inspection tool from L.S. Starrett.

MODEL 257B

BRAND

Starrett

SKU

6303830

UOM

each

$346.88 Each

Prices are subject to change

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Typically Ships in: 1 day

Returnable: Yes

Finish

Satin Chrome

Material

Hardened Steel Base

Series

257

Type

Full Sized

Starrett Surface Gages are designed for a wide variety of uses. This is a basic tool for machinists and toolmakers. The main uses are for accurately scribing lines, transferring measurements and for probing surfaces in inspection work. (2) 9"/12" Spindle.

Features

  • 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

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