Micro-Ball Sets
Chrome alloy steel balls, plus/minus .0001″ diameter, .000.025″ sphericity.
Micro-Ball Usage Examples
Checking micrometers at exact spotĀ for wear as shown at “A” as Micro BallsĀ are ground and lapped to a sphericityĀ of .000,025″.
Checking wall thickness from inside curve to flat on outside end.
Checking depth of valve seats, ways,Ā slots, etc.
In turning and grinding, where shoulderĀ locations with respect to each other or toĀ a common end are held close (.001ā) itĀ is imperative that depth of center drill beĀ maintained. Select a Micro Ball that isĀ tangent to a center and mike overall asĀ āAā or indicate distance as āB.ā
For boring of collets, select a setĀ of Micro Balls the width of slots onĀ collet. Coat Micro Balls with greaseĀ or vaseline before inserting. CloseĀ collet and bore.
Micro-Balls
Material: Chrome alloy steel balls
Standard Tolerance: plus/minusĀ .0001ā diameter, .000.025ā sphericity.
Metric Tolerance:Ā Within 2 microns for size, 1 micron for sphericity.
STANDARD MODEL 900
1/16ā to 1/2ā in 1/32ā steps.
3 of each size in pop-out case.
$89.60
STANDARD MODEL 901
17/32ā to 1ā in 1/32ā steps.
3 of each size in plastic case.
$179.20
METRIC SET MB60
Three balls of each mm size from 1mm thru 20mm included. (Total of 60 Metric Balls.)
Clear lid for Gage-Set case protects from dust and rust. Labeling allows immediate identification of sizes in every slot
$499.20
Bulk packaged Micro Balls are not individually boxed; minimum quantity of 10 balls per size and 50Ā balls total are required.
