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: 0.059 - 0.156 in
Accuracy: 0.00016 in
Repeatability: 0.00004 in
Bore gage main body: 526-165-10
Dial indicator: Not supplied
Dial protection cover: Not supplied
Setting ring: Not supplied

Content:
Bore gage main body: 526-160-10 / 526-165-10 family
Contact points:
1.75: 21DAA602A, range 0.059 - 0.075 in / 1.50 - 1.90 mm
2.00: 21DAA602B, range 0.071 - 0.087 in / 1.80 - 2.20 mm
2.25: 21DAA602C, range 0.081 - 0.096 in / 2.05 - 2.45 mm
2.50: 21DAA602D, range 0.091 - 0.106 in / 2.30 - 2.70 mm
2.75: 21DAA602E, range 0.100 - 0.116 in / 2.55 - 2.95 mm
3.00: 21DAA602F, range 0.110 - 0.126 in / 2.80 - 3.20 mm
3.25: 21DAA602G, range 0.120 - 0.136 in / 3.05 - 3.45 mm
3.50: 21DAA602H, range 0.130 - 0.146 in / 3.30 - 3.70 mm
3.75: 21DAA602J, range 0.140 - 0.156 in / 3.55 - 3.95 mm
Pin point: 201436 / 201437 according to contact-point group
Extension rod: 21AAA259E
Spanner: 210188

Dimensions:
L9=17.5 mm or 22.5 mm according to contact-point group
L1=33.8 mm or 39.3 mm according to contact-point group
D1=Dia.3.5 mm