Technical Data:
Series: 526
Product type: Split-Ball Bore Gage for Extra Small Holes
Measurement principle: Split-ball contact-point system
Application: Small holes from 0.037 to 0.287 in / 0.95 to 7.30 mm
Optional stand: 215-120-10
Setting rings: Not supplied with some models; purchase separately as necessary
Accuracy and repeatability values are for the bore gage alone

Remark:
Pin point and contact point are consumable parts. Replace when accuracy, operation or measuring range degrades; recalibrate after replacement.
Measuring range: 3.70 - 7.30 mm
Accuracy: 6 um
Repeatability: 1 um
Bore gage main body: 526-150-10
Dial indicator: 2046AB
Dial protection cover: 29AAA149
Setting ring: Not supplied
Dial-indicator graduation: 0.01 mm

Content:
Bore gage main body: 526-150-10 / 526-155-10 family
Contact points:
4.0: 21DAA603A, range 0.146 - 0.169 in / 3.7 - 4.3 mm
4.5: 21DAA603B, range 0.165 - 0.189 in / 4.2 - 4.8 mm
5.0: 21DAA603C, range 0.185 - 0.209 in / 4.7 - 5.3 mm
5.5: 21DAA603D, range 0.205 - 0.228 in / 5.2 - 5.8 mm
6.0: 21DAA603E, range 0.224 - 0.248 in / 5.7 - 6.3 mm
6.5: 21DAA603F, range 0.244 - 0.268 in / 6.2 - 6.8 mm
7.0: 21DAA603G, range 0.264 - 0.287 in / 6.7 - 7.3 mm
Pin point: 201438
Spanner: 102148

Dimensions:
L9=32 mm
L1=53 mm
D1=Dia.5.5 mm