Starrett98-4 4" Precision Machinists' Level

Starrett98-4 4" Precision Machinists' Level

Q: Don't you need to find a true level item to calibrate this level?

It is possible to level a "level" by flipping it 180 degrees (end-for-end) and setting it up to read exactly the same number of divisions off of ideal. Alternately, one can set up a local "true level" by shimming a surface until it reads the same with the level flipped 180 degrees... In any case "level" can be established as derived standard.

Q: Is this a 0005" per 10" master level?

No that is a 4 inch 98 level good to .005 if an inch.

Q: how do you calibrate this

Find a pretty level surface set 98 on mark with sharpee the edges.. on one end of level are hex nuts above and below that is your ajustment point with level on surface and marked with sharpee look at bubble now turn level 180 degree make sure to put the level back into the marked area look at bubble now a just ..

Q: are the screw and stud supposed to be centered on the post? The one I received had the holes off center.

The upper part is an unmachined casting, but I am sure that Starret makes sure that the holes are drilled centered to the prizm below. It is not relevent that the hole is not centered in the post. Just my two cents.

Product ID: 48666525

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Details

Brand
Starrett
Material
Glass Iron
Colour
Clear
Style
Brass
Item weight
0.4 Pounds

📏4" precision

🔍4-4.5 min sensitivity

🛠️Durable cast iron

Frequently Bought Together

Starrett Machinists' Level with Ground and Graduated Main Vial - Ideal for Machine Shop and Tool Room Use - 4" (100mm) Length, Without Case and Cross Test Vial - 98-4

Starrett Machinists' Level with Ground and Graduated Main Vial - Enhanced Accuracy for Perfect Surface Alignment - 6" Length, 1-3/16" Width, Without Case - 98-6

WEN 10423 3 x 2 x 1-Inch Steel-Hardened Precision 123 Blocks, Two Pack

Description

🔧 Level Up Your Precision Game!

SLEEK FINISH - Housed in a satin chrome finished brass tube, combining style with functionality.
VERSATILE USE - V-shaped groove allows for reliable leveling of round items.
DURABLE DESIGN - Crafted with a robust cast iron base for long-lasting performance.
CLEAR VISIBILITY - Ground glass vial ensures scratch-resistant clarity for easy readings.
PRECISION ENGINEERING - Achieve unparalleled accuracy with a sensitivity of 4 to 4.5 minutes.

The Starrett 98-4 is a 4-inch precision machinists' level designed for professionals who demand accuracy and durability. With a sensitivity of 4 to 4.5 minutes, a scratch-resistant ground glass vial, and a robust cast iron base, this tool is perfect for ensuring horizontal alignment in any setting. Its sleek brass tube design not only protects the vial but also adds a touch of elegance to your toolkit.

Specifications

Manufacturer	Starrett
Part number	98-4
Item Weight	181 g
Product Dimensions	2.54 x 3.05 x 11.43 cm; 181.44 g
Item model number	98-4
Colour	Clear
Style	Brass
Material	Glass,Iron,Brass
Item Package Quantity	1
Included components	One Level
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Don't you need to find a true level item to calibrate this level?

Is this a 0005" per 10" master level?

how do you calibrate this

are the screw and stud supposed to be centered on the post? The one I received had the holes off center.

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