Starrett® 257A Full Sized Surface Gage
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. 9" Spindle.
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BrandStarrett®
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UPC049659512403
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Manufacturer Part Number257A
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CountryUSA|Canada
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FinishSatin Chrome
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MaterialHardened Steel Base
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TypeFull Sized
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Series257
- Four frictionally held gage pins that add versatility for referencing the tool
- 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
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Alternative Part Number51240
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UNSPSC41114508
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Package DescriptionEACH
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Standards/ApprovalsPROP65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm
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Full Engineering Drawing
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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. 9" Spindle.
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