Flat Point Contact Point for Depth Gauge Dial Digital Indicator Dia 5mm M2.5

Fits Dial indicator height gauge depth gauge etc interchangeable tool.
Optimal for use on convex surfaces. 
All Thread Shank M2.5,  Effective length is not include Thread Shank .Material:high-speed 
steel 

Size: L20-1
Thread shank M2.5, Disc Contact Point Diameter 5mm(0.1969”),Thickness 1mm, Effective length 20mm(0.7874”)
Size: L30-1
Thread shank M2.5, Disc Contact Point Diameter 5mm(0.1969”),Thickness 1mm, Effective length 30mm(1.1811”)
Size:L40-1
Thread shank M2.5, Disc Contact Point Diameter 5mm(0.1969”),Thickness 1mm, Effective length 40mm(1.5748”)
Size:L20-0.4
Thread shank M2.5, Disc Contact Point Diameter 5mm(0.1969”),Thickness 0.4mm, Effective length 20mm(0.7874”)
Size:L30-0.4
Thread shank M2.5, Disc Contact Point Diameter 5mm(0.1969”),Thickness 0.4mm, Effective length 30mm(1.1811”)
Size:L40-0.4
Thread shank M2.5, Disc Contact Point Diameter 5mm(0.1969”),Thickness 0.4mm, Effective length 40mm(1.5748”)
Package included:1 Disc Type Contact Point.
A SET（L20-1/L30-1/L40-1）Package included:3 Disc Type Contact Point（L20-1/L30-1/L40-1）.
B SET（L20-0.4/L30-0.4/L40-0.4）Package included:3 Disc Type Contact Point（L20-0.4/L30-0.4/L40-0.4）